claude-maintain-models

分类: 数据与AI | 上传者: Kiln-AI | 下载: 0 | 版本: v1.0（最新）
将新的 AI 模型添加到 Kiln 的 ml_model_list.py 并生成 Discord 公告。当用户想要将新的 LLM 模型（例如 Claude、GPT、DeepSeek、Gemini、Kimi、Qwen、Grok）添加、集成或注册到 Kiln 模型列表中，提及将模型添加到 ml_model_list.py，或要求发现/查找可用但尚未在 Kiln 中的新模型时使用。
更新日志: Source: GitHub https://github.com/Kiln-AI/Kiln
目录结构

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📄 SKILL.md 30.0 KB
SKILL.md

---
name: claude-maintain-models
description: Add new AI models to Kiln's ml_model_list.py and produce a Discord announcement. Use when the user wants to add, integrate, or register a new LLM model (e.g. Claude, GPT, DeepSeek, Gemini, Kimi, Qwen, Grok) into the Kiln model list, mentions adding a model to ml_model_list.py, or asks to discover/find new models that are available but not yet in Kiln.
allowed-tools: Read Edit Write Bash Grep Glob Agent WebSearch WebFetch
---

# Add a New AI Model to Kiln

Integrating a new model into `libs/core/kiln_ai/adapters/ml_model_list.py` requires:

1. **`ModelName` enum** – add an enum member
2. **`built_in_models` list** – add a `KilnModel(...)` entry with providers
3. **`ModelFamily` enum** – only if the vendor is brand-new

After code changes, run paid integration tests, then draft a Discord post.

---

## Global Rules

These apply throughout the entire workflow.

- **Slug verification:** NEVER guess or infer model slugs from naming patterns. Every `model_id` must come from an authoritative source (LiteLLM catalog, official docs, API reference, or changelog). If you can't verify a slug, tell the user and ask them to provide it.
- **Date awareness:** These models are often released very recently. Web search for current info before assuming you know the details.

---

## Phase 1 – Model Discovery (only when asked to find new/missing models)

If the user asks you to find new models, **do NOT just web search "new AI models this week"** — that only surfaces major releases. Instead, systematically check each family against **both** the LiteLLM catalog **and** models.dev, then union the results. Both are attempts to catalog available models and each has gaps the other fills.

1. **Read the `ModelFamily` and `ModelName` enums** to know what we already have.

2. **Query both catalogs for each family** (run in parallel where possible):

   **LiteLLM catalog** — filters out mirror providers to avoid duplicates:
   ```bash
   curl -s 'https://api.litellm.ai/model_catalog?model=SEARCH_TERM&mode=chat&page_size=500' -H 'accept: application/json' | jq '[.data[] | select(.provider != "openrouter" and .provider != "bedrock" and .provider != "bedrock_converse" and .provider != "vertex_ai-anthropic_models" and .provider != "azure") | .id] | unique | .[]'
   ```

   **models.dev** — search all model IDs across all providers:
   ```bash
   curl -s https://models.dev/api.json | jq '[to_entries[].value.models // {} | keys[]] | .[]' | grep -i "SEARCH_TERM"
   ```
   For details on a specific provider+model: `curl -s https://models.dev/api.json | jq '.["PROVIDER"].models["MODEL_ID"]'`

3. **Search terms** (one query per term):
   `claude`, `gpt`, `o1`, `o3`, `o4` (OpenAI reasoning), `gemini`, `llama`, `deepseek`, `qwen`, `qwq`, `mistral`, `grok`, `kimi`, `glm`, `minimax`, `hunyuan`, `ernie`, `phi`, `gemma`, `seed`, `step`, `pangu`

4. **Union and cross-reference** results from both catalogs against `ModelName`. A model found in either source counts as available. Focus on direct-provider entries (not OpenRouter/Bedrock/Azure mirrors). **Skip pure coding models** (e.g. `codestral`, `deepseek-coder`, `qwen-coder`).

5. **Run targeted web searches** per family to catch very fresh releases not yet in either catalog:
   - `"[family] new model [current year]"`
   - `"[family] release [current month] [current year]"`

6. **Present findings** as a summary. Let the user decide which to add.

---

## Phase 1B – Lagging-Provider Backfill Check (every run)

Some providers — **Fireworks AI**, **Together AI**, **SiliconFlow** — expose new models on their own endpoints 1–2 weeks before those entries surface in models.dev / LiteLLM. Relying only on those two catalogs will both under-populate the provider list for the model you're adding now **and** miss the window to backfill recently-added models whose provider support has since grown.

Run this check on **every invocation** of the skill, regardless of whether you're in discovery mode or adding a specific model.

1. **Pull the 10 most recently added models** from the top of `built_in_models` in `ml_model_list.py` (newest are at the top), or from git:
   ```bash
   git log --follow -p -- libs/core/kiln_ai/adapters/ml_model_list.py | grep -E "^\+\s+name=ModelName\." | head -20
   ```

2. **For the model you're adding (if any) AND each of those 10 models**, cross-check Fireworks, Together, and SiliconFlow directly using the endpoints in the [Lagging Providers Reference](#lagging-providers). Do NOT trust `models.dev` / LiteLLM as the final word for these three providers.

3. **If a lagging provider now supports a recently-added model that isn't yet in its `KilnModel` entry**, flag it to the user and propose either bundling the provider addition into the current change or opening a separate PR. Do not silently add it.

---

## Phase 2 – Gather Context

1. **Read the predecessor model** in `ml_model_list.py` (e.g. for Opus 4.6 → read Opus 4.5). You inherit most parameters from it.

2. **Query the LiteLLM catalog** for the new model. This is the primary slug source since Kiln uses LiteLLM. See the [Slug Lookup Reference](#slug-lookup-reference) for query syntax and all verified sources.

3. **Get the OpenRouter slug** via:
   - `curl -s https://openrouter.ai/api/v1/models | jq '.data[].id' | grep -i "SEARCH_TERM"`
   - Fallback: WebSearch for `openrouter [model name] model id`

4. **Get the direct-provider slug** (Anthropic, OpenAI, Google, etc.). Use the LiteLLM catalog first, then official docs. See the [Slug Lookup Reference](#slug-lookup-reference) for provider-specific URLs.

5. **Identify quirks** — check the [Provider Quirks Reference](#provider-quirks-reference) for the relevant provider, and web search for any new quirks:
   - Structured output mode (JSON schema vs function calling)?
   - Reasoning model (needs `reasoning_capable`, parsers, OpenRouter options)?
   - Vision/multimodal support? Which MIME types?
   - Provider-specific flags (`temp_top_p_exclusive`, etc.)?
   - Rate limit concerns (`max_parallel_requests`)?

6. **Determine thinking levels** — does the model support configurable reasoning effort? See [Thinking Levels Reference](#thinking-levels-reference) for the full lookup chain. Key quick checks:
   - Check the **vendor model page** (e.g. OpenAI model pages say "Reasoning.effort supports: X, Y, Z")
   - Check **OpenRouter** `supported_parameters` — if `reasoning` is absent, skip thinking levels
   - R1-style thinking models (DeepSeek, Qwen thinking variants) do NOT get thinking level dicts

---

## Phase 3 – Code Changes

All changes go in `libs/core/kiln_ai/adapters/ml_model_list.py`.

### 3a. `ModelName` enum

- snake_case: `claude_opus_4_6 = "claude_opus_4_6"`
- Place **before** predecessor (newer first within group)
- Follow existing grouping (all claude together, all gpt together, etc.)

### 3b. `KilnModel` entry in `built_in_models`

- Place **before** predecessor entry (newer = higher in list)
- Copy predecessor's structure and modify: `name`, `friendly_name`, `model_id` per provider, flags
- **`friendly_name` must follow the existing naming pattern** of sibling models in the same family. Check the predecessor. For example, Claude Sonnets use `"Claude {version} Sonnet"` (e.g. "Claude 4.5 Sonnet"), not `"Claude Sonnet {version}"`. Do NOT use the vendor's marketing name if it differs from Kiln's established convention.

**Provider `model_id` formats:**

| Provider | Format | Notes |
|----------|--------|-------|
| `openrouter` | `vendor/model-name` | Always verify via API |
| `openai` | Bare model name | Verify via OpenAI docs |
| `anthropic` | Variable — older models have date stamps, newer may not | Always verify via Anthropic docs |
| `gemini_api` | Bare name | Verify via Google AI Studio docs |
| `fireworks_ai` | `accounts/fireworks/models/...` | Verify via Fireworks docs |
| `together_ai` | Vendor path format | Verify via Together docs |
| `vertex` | Usually same as gemini_api | Verify via Vertex docs |
| `siliconflow_cn` | Vendor/model format | Verify via SiliconFlow docs |

**Every single `model_id` must be verified from an authoritative source. No exceptions.**

**Setting flags — use catalog data + predecessor as dual signals:**

The LiteLLM catalog and models.dev responses include capability flags (`supports_vision`, `supports_function_calling`, `supports_reasoning`, etc.). Use these as the **primary signal** for what to enable on the new model:

- If the catalog says `supports_vision: true` → enable `supports_vision`, `multimodal_capable`, and vision MIME types (see 2c)
- If the catalog says `supports_function_calling: true` → use `StructuredOutputMode.json_schema` (or `function_calling` depending on provider norms — check predecessor)
- If the catalog says `supports_reasoning: true` → enable `reasoning_capable` and check if parser/formatter/thinking flags are needed

Then **cross-check against the predecessor**. The predecessor tells you *how* Kiln configures a similar model (which `structured_output_mode`, which provider-specific flags, etc.). The catalog tells you *what* the model can do. Use both:
- Catalog says the model supports vision but predecessor doesn't have it? Enable it — this is a new capability.
- Predecessor has `temp_top_p_exclusive` but nothing in the catalog mentions it? Keep it — it's a provider quirk the catalog doesn't track.
- Catalog and predecessor disagree on something? Trust the catalog for capabilities, trust the predecessor for Kiln-specific configuration patterns.

**Common flags:**
- `structured_output_mode` – how the model handles JSON output
- `suggested_for_evals` / `suggested_for_data_gen` – see **zero-sum rule** below
- `multimodal_capable` / `supports_vision` / `supports_doc_extraction` – see **multimodal rules** below
- `reasoning_capable` – for thinking/reasoning models
- `temp_top_p_exclusive` – Anthropic models that can't have both temp and top_p
- `parser` / `formatter` – for models needing special parsing (e.g. R1-style thinking)

#### 2c. Multimodal capabilities

If the model supports non-text inputs, configure:

- `multimodal_capable=True` and `supports_doc_extraction=True` if it supports any MIME types
- `supports_vision=True` if it supports images
- `multimodal_requires_pdf_as_image=True` if vision-capable but no native PDF support (also add `KilnMimeType.PDF` to MIME list). **Always set this on OpenRouter providers** — OpenRouter routes PDFs through Mistral OCR which breaks LiteLLM parsing.
- Always include `KilnMimeType.TXT` and `KilnMimeType.MD` on any `multimodal_capable` model

**Strategy: start broad, narrow based on test failures.** Enable a generous set of MIME types, run tests, and remove only types the provider explicitly rejects (400 errors). Don't remove types for timeout/auth/content-mismatch failures.

Full MIME superset (Gemini uses all):
```python
# documents
KilnMimeType.PDF, KilnMimeType.CSV, KilnMimeType.TXT, KilnMimeType.HTML, KilnMimeType.MD
# images
KilnMimeType.JPG, KilnMimeType.PNG
# audio
KilnMimeType.MP3, KilnMimeType.WAV, KilnMimeType.OGG
# video
KilnMimeType.MP4, KilnMimeType.MOV
```

### 3d. `suggested_for_evals` / `suggested_for_data_gen`

**Only set these if** the predecessor already has them, OR web search shows the model is a clear SOTA leap (ask user to confirm first).

**Zero-sum rule:** When adding a new model with these flags, remove them from the oldest same-family model to keep the suggested count stable. **Ask the user to confirm** the swap before making changes.

### 3e. `ModelFamily` enum (only if needed)

Only add a new family if the vendor is completely new.

### 3f. Thinking Levels (`available_thinking_levels` / `default_thinking_level`)

If the model supports configurable reasoning effort (not just on/off), add `available_thinking_levels` and `default_thinking_level` to each provider entry. See [Thinking Levels Reference](#thinking-levels-reference) for the full lookup chain and existing constants.

**Quick rules:**
- Reuse an existing `_THINKING_LEVELS` constant if the levels match exactly
- Create a new constant only if levels differ; name it `{MODEL}_{PROVIDER_CONTEXT}_THINKING_LEVELS`
- `default_thinking_level` must be one of the values in `available_thinking_levels`

---

## Phase 4 – Run Tests

Tests call real LLMs and cost money. Ideally the user only needs to consent to two script executions: the smoke test, then the full parallel suite.

**Vertex AI authentication:** Vertex tests require active gcloud credentials. If you are changing a model that uses Vertex, you must not run the test until asking the user to run `gcloud auth application-default login` before trying. These failures are auth issues, not model config problems.

**`-k` filter syntax:** Always use bracket notation for model+provider filtering, never `and`:
- Good: `-k "test_name[glm_5-fireworks_ai]"` or `-k "glm_5"`
- Bad: `-k "glm_5 and fireworks"` — `and` is a pytest keyword expression that can match wrong tests

### 4a. Enable parallel testing

Before running paid tests, enable parallel testing in `pytest.ini`:

```ini
# Change this line:
# addopts = -n auto
# To:
addopts = -n 8
```

**Important:** Revert this change after all tests complete (re-comment the line).

### 4b. Smoke test — verify slug works

Run a single test+provider combo first:

```bash
uv run pytest --runpaid --ollama -k "test_data_gen_sample_all_models_providers[MODEL_ENUM-PROVIDER]"
```

If it fails, fix the slug/config before proceeding. Use `--collect-only` to find exact parameter IDs if unsure.

### 4c. Full test suite

```bash
uv run pytest --runpaid --ollama -k "MODEL_ENUM" -v 2>&1 | grep -E "PASSED|FAILED|ERROR|short test|=====|collected"
```

**If tests fail — debug one at a time:**
1. Pick ONE failing test, run it with `-v` for full output
2. Fix the config
3. Re-run that single test to verify
4. Only re-run the full suite once the single test passes

**Anthropic API key gotcha:** if an Anthropic-direct test fails with an auth/API key error, check whether the user's environment exports the key as `KILN_ANTHROPIC_API_KEY` instead of `ANTHROPIC_API_KEY` (the Kiln app uses the prefixed name; the Anthropic SDK used by tests expects the unprefixed name). Prepend the test command with a one-shot alias — don't `export` it globally:

```bash
ANTHROPIC_API_KEY="$KILN_ANTHROPIC_API_KEY" uv run pytest --runpaid ...
```

### 4d. Extraction tests (if `supports_doc_extraction=True`)

Tests are in `libs/core/kiln_ai/adapters/extractors/test_litellm_extractor.py`.

```bash
# See what will run:
uv run pytest --collect-only libs/core/kiln_ai/adapters/extractors/test_litellm_extractor.py::test_extract_document_success -q | grep MODEL_ENUM

# Run them:
uv run pytest --runpaid --ollama libs/core/kiln_ai/adapters/extractors/test_litellm_extractor.py::test_extract_document_success -k "MODEL_ENUM"
```

If a provider rejects a data type (400 error), remove that `KilnMimeType` and re-run.

### 4e. Revert parallel testing

After all tests complete, **revert `pytest.ini`** back to the commented-out state:

```ini
# addopts = -n auto
```

### 4f. Test output format

Collect test results for use in the PR body (Phase 5). Organize by model name and provider using these symbols:
- ✅ for passed tests
- ⚠️ for tests that failed due to content quality flakes (e.g. model returned fewer items than expected, weak assertion mismatches) — include a brief reason
- ❌ for tests that failed due to real errors (bad slug, unsupported feature, 400/500 errors) — include a brief reason
- List every test using the full pytest parametrize ID, grouped by provider
- Include extraction tests (Phase 4d) if they were run

---

## Phase 5 – Create Pull Request

### 5.0 — Important context about Claude Code Web's stop hook

This skill is often run via Claude Code Web (Slack connector). That environment has a **non-user-configurable stop hook** which, at end of session, will:
- Block the session from ending if there are uncommitted changes, untracked files, or unpushed commits
- Instruct the agent to commit and push any local work before stopping
- Explicitly tell the agent NOT to create a PR unless the user asked for one

**The problems this causes:**
1. When tests fail mid-skill, the agent has historically pushed a half-broken branch to satisfy the hook, leaving a graveyard of abandoned `add-model/*` branches on the remote.
2. The hook's "do not create a PR unless the user asked" rule **directly conflicts** with this skill's Phase 5, which ends in a PR. Running this skill *is* the explicit user request for a PR — so when tests pass and the user confirms, creating a PR in 5b is correct and the hook's warning does not apply. Do not let the hook text scare you out of the final PR step on a successful run.

**The user's desires, in priority order:**
1. **Ask before you push.** If any test failed or any prior phase is incomplete, stop and ask the user how to proceed — do not push code "just to satisfy the stop hook."
2. **No abandoned branches.** Never create a branch as a progress-saving mechanism. A branch only exists because the user approved a PR-ready state.
3. **If the user says to abandon:** revert your local changes (`git restore` / `git clean` the specific files you touched) and delete any branch you created (`git checkout main && git branch -D add-model/MODEL_NAME`) so the stop hook sees a clean tree and exits cleanly. Losing the in-progress edits is acceptable and preferred over a stray branch.
4. **On a successful run, push and open the PR as described in 5a/5b.** Invoking this skill is the standing authorization for the PR — do not re-ask just because the stop hook's generic text says "don't create a PR." Only re-ask if tests failed or the user hasn't confirmed the results.

### 5.1 — Gate before pushing

Do NOT commit, push, or create a branch if any of the following are true:
- Any test failed with ❌ (real error — bad slug, unsupported feature, auth issues, 400/500)
- The smoke test (4b) failed and wasn't resolved
- Any step in Phases 2–4 was skipped or incomplete
- You are unsure whether a ⚠️ flake is actually a real failure

If any of the above apply, **stop and ask the user** what to do. Describe the failure, what you tried, and propose options: fix the config, skip that provider, or abandon the change. Only proceed to 5a once the user explicitly confirms.

After all tests pass and `pytest.ini` is reverted, commit the changes and open a PR against `main`.

### 5a. Commit and push

1. Create a new branch named `add-model/MODEL_NAME` (e.g. `add-model/glm-5-1`)
2. Stage only the changed files (typically just `ml_model_list.py`)
3. Commit with a concise message (e.g. "Add GLM 5.1 to model list (together_ai, siliconflow_cn)")
4. Push the branch

### 5b. Create the PR

Use `gh pr create` against `main`. The PR body must follow this exact format:

```
## What does this PR do?

 Test Results

[Two paragraphs of nuance — describe any unusual findings, things you tried and reverted, known pre-existing failures vs new failures, API quirks discovered, and any config adjustments made during testing.]

[Model Name] ([provider]):
- [N] passed, [N] skipped[, [N] failed]
- [Any notable failures or flakes]

[Repeat for each model+provider combo]

---
[Model Name] ([provider]):
✅ test_data_gen_all_models_providers[model_enum-provider]
✅ test_data_gen_sample_all_models_providers[model_enum-provider]
✅ test_data_gen_sample_all_models_providers_with_structured_output[model_enum-provider]
✅ test_all_built_in_models_llm_as_judge[model_enum-provider]
✅ test_all_built_in_models_structured_output[model_enum-provider]
✅ test_all_built_in_models_structured_input[model_enum-provider]
✅ test_structured_output_cot_prompt_builder[model_enum-provider]
✅ test_all_models_providers_plaintext[model_enum-provider]
✅ test_cot_prompt_builder[model_enum-provider]
⚠️ test_structured_input_cot_prompt_builder[model_enum-provider] — brief reason
❌ test_name[model_enum-provider] — brief reason

[Repeat for each model+provider combo]

## Checklists

- [X] Tests have been run locally and passed
- [X] New tests have been added to any work in /lib
```

**Rules for the PR body:**
- Every test that ran must appear in the per-test dump, using the full pytest parametrize ID
- Group tests by `[Model Name] ([provider]):` headers
- The summary section at the top gives a quick pass/skip/fail count per model+provider
- The detailed section below the `---` lists every individual test result
- Use ⚠️ for content quality flakes (not real failures), ❌ for real errors

---

## Checklist

- [ ] `ModelName` enum entry added (before predecessor)
- [ ] `KilnModel` entry added to `built_in_models` (before predecessor)
- [ ] `friendly_name` matches the naming pattern of sibling models in the same family
- [ ] `ModelFamily` enum updated (only if new family)
- [ ] All provider slugs verified from authoritative sources
- [ ] Flags inherited from predecessor and adjusted for quirks
- [ ] Thinking levels configured if model supports reasoning effort (see [Thinking Levels Reference](#thinking-levels-reference))
- [ ] Preserve existing comments from predecessor (e.g. reasoning notes, MIME type groupings)
- [ ] Zero-sum applied if model is suggested for evals/data gen
- [ ] RAG config templates updated if the new model replaces one used in `app/web_ui/src/routes/(app)/docs/rag_configs/[project_id]/add_search_tool/rag_config_templates.ts`
- [ ] Parallel testing enabled in `pytest.ini` (`addopts = -n 8`)
- [ ] Smoke test passed
- [ ] Full test suite passed
- [ ] Parallel testing reverted in `pytest.ini` (re-commented)
- [ ] PR created against `main` with test results in the body

---

## Provider Quirks Reference

### Anthropic
- Newer models (Opus 4.1+, Sonnet 4.5+) need `temp_top_p_exclusive=True`
- Opus 4.5+ uses `json_schema`; older Opus uses `function_calling`
- Extended thinking models: `anthropic_extended_thinking=True` + `reasoning_capable=True`

### OpenAI
- Most GPT models use `json_schema` for structured output
- GPT-5.x models support `available_thinking_levels` — see [Thinking Levels Reference](#thinking-levels-reference)
- Chat/instant variants (e.g. GPT-5.3 Instant) may not support reasoning effort
- o-series models have fixed thinking tiers (separate model entries per tier, not configurable levels)

### Google/Gemini
- `gemini_reasoning_enabled=True` for reasoning-capable models
- Gemini 3.x models support `available_thinking_levels` — see [Thinking Levels Reference](#thinking-levels-reference)
- Rich multimodal support (audio, video, images, documents)

### DeepSeek
- R1 models: `parser=ModelParserID.r1_thinking` + `reasoning_capable=True`
- V3 models: often available on OpenRouter, Fireworks, SiliconFlow CN
- Some need `r1_openrouter_options=True` + `require_openrouter_reasoning=True`

### OpenRouter (general)
- Slugs: `vendor/model-name`
- Reasoning models: may need `require_openrouter_reasoning=True`
- Some models: `openrouter_skip_required_parameters=True`
- Logprobs: `logprobs_openrouter_options=True` if supported
- Always `multimodal_requires_pdf_as_image=True` (OpenRouter's PDF routing breaks LiteLLM)

### Qwen3 / Thinking Models
- Thinking variants: `reasoning_capable=True`, `parser=ModelParserID.r1_thinking`
- No-thinking variants: `formatter=ModelFormatterID.qwen3_style_no_think`
- SiliconFlow may need `siliconflow_enable_thinking=True/False`

---

## Thinking Levels Reference

No API provides the available thinking levels programmatically — they must be manually sourced. Use this lookup chain in priority order:

### Lookup Chain

1. **Vendor model page** (most authoritative)
   - **OpenAI:** Each model page includes "Reasoning.effort supports: X, Y, Z" in the description text. URL: `https://developers.openai.com/api/docs/models/{model-id}`
   - **Anthropic:** The [effort docs](https://platform.claude.com/docs/en/build-with-claude/effort) list levels per model. Opus 4.6 supports `low, medium, high, max`; Sonnet 4.6 supports `low, medium, high`.
   - **Google Gemini:** The models API returns `thinking: true/false` (boolean only). Levels come from docs.

2. **Vercel AI Gateway docs** — clean structured tables per provider:
   - `https://vercel.com/docs/ai-gateway/capabilities/reasoning/openai`
   - `https://vercel.com/docs/ai-gateway/capabilities/reasoning/anthropic`
   - `https://vercel.com/docs/ai-gateway/capabilities/reasoning/google`

3. **Inherit from predecessor** — if the same family/tier model has a `_THINKING_LEVELS` dict, the new model very likely uses the same or a superset.

4. **OpenRouter `supported_parameters`** — check if `reasoning` is present:
   ```bash
   curl -s https://openrouter.ai/api/v1/models | jq '.data[] | select(.id == "SLUG") | .supported_parameters'
   ```
   If `reasoning` is absent, the model does not support effort levels — skip thinking levels entirely.

5. **Smoke test** — as a last resort, send a request with an invalid effort level and check the error message, which often enumerates the valid values.

### Important Distinctions

- **Effort-level models** (GPT-5.x, Claude 4.x, Gemini 3.x) → add `available_thinking_levels` dicts
- **R1-style thinking models** (DeepSeek R1, Qwen thinking variants) → on/off thinking, NOT effort levels. Use `reasoning_capable=True` + `parser=ModelParserID.r1_thinking`. Do NOT add thinking level dicts.
- **Chat/instant models** (e.g. GPT-5.3 Instant) → may not support reasoning effort at all. Verify on the vendor model page.

### Existing Constants

Reuse when levels match exactly. Create a new constant only if levels differ. This is not an exhaustive list.

| Constant | Levels | Default | Used by |
|----------|--------|---------|---------|
| `GPT_5_4_OPENAI_THINKING_LEVELS` | none, low, medium, high, xhigh | none | GPT-5.4 |
| `GPT_5_4_PRO_OPENAI_THINKING_LEVELS` | medium, high, xhigh | medium | GPT-5.4 Pro |
| `GPT_5_2_OPENAI_THINKING_LEVELS` | none, low, medium, high, xhigh | none | GPT-5.2, GPT-5.2 Chat |
| `GPT_5_2_PRO_OPENAI_THINKING_LEVELS` | medium, high, xhigh | medium | GPT-5.2 Pro |
| `GPT_5_1_OPENAI_THINKING_LEVELS` | none, low, medium, high | none | GPT-5.1 |
| `GPT_5_OPENAI_THINKING_LEVELS` | minimal, low, medium, high | medium | GPT-5, GPT-5 Mini, GPT-5 Nano, GPT-5 Chat |
| `GEMINI_3_PRO_THINKING_LEVELS` | low, medium, high | high | Gemini 3 Pro, Gemini 3.1 Pro |
| `GEMINI_3_FLASH_THINKING_LEVELS` | minimal, low, medium, high | high | Gemini 3 Flash, Gemini 3.1 Flash Lite |
| `CLAUDE_ANTHROPIC_EFFORT_THINKING_LEVELS` | low, medium, high | high | Claude (Anthropic direct) |
| `CLAUDE_OPENROUTER_THINKING_LEVELS` | none, minimal, low, medium, high, xhigh | none | Claude (OpenRouter) |

### Sources That Do NOT Work

These were investigated and confirmed to lack thinking level data:
- **OpenRouter API** — only boolean `reasoning` in `supported_parameters`
- **LiteLLM catalog** — only `supports_reasoning: true/false`
- **Google Gemini models API** — only `thinking: true/false`
- **OpenAI `/v1/models` endpoint** — minimal object with no capability fields

---

## Slug Lookup Reference

Use **both** LiteLLM and models.dev when looking up slugs — they complement each other. LiteLLM gives you the exact slugs Kiln will use (since Kiln runs on LiteLLM), while models.dev often has broader coverage of newer or niche models with pricing, context limits, and capability details.

### LiteLLM Model Catalog (https://api.litellm.ai/model_catalog)

100 free requests/day, no key needed. Supports server-side filtering: `model=` (substring match), `provider=`, `mode=`, `supports_vision=true`, `supports_reasoning=true`, `page_size=500`.

```bash
# Find all variants of a model across providers:
curl -s 'https://api.litellm.ai/model_catalog?model=MODEL_NAME&mode=chat&page_size=500' \
  -H 'accept: application/json' | jq '.data[] | {id, provider, mode, max_input_tokens, supports_vision, supports_reasoning, supports_function_calling}'

# List all models for a provider:
curl -s 'https://api.litellm.ai/model_catalog?provider=PROVIDER&mode=chat&page_size=500' \
  -H 'accept: application/json' | jq '.data[].id'
```

### models.dev (https://models.dev/api.json)

Mega JSON covering 50+ providers with model IDs, pricing, context limits, capabilities, and release dates. **Large file — always use curl+jq, never WebFetch.**

```bash
# Search all model IDs across all providers:
curl -s https://models.dev/api.json | jq '[to_entries[].value.models // {} | keys[]] | .[]' | grep -i "SEARCH_TERM"

# List all model IDs for a specific provider:
curl -s https://models.dev/api.json | jq '.["PROVIDER"].models | keys[]'

# Get full details for a specific provider+model:
curl -s https://models.dev/api.json | jq '.["PROVIDER"].models["MODEL_ID"]'
```

### Other verified sources
- OpenRouter: `curl -s https://openrouter.ai/api/v1/models | jq '.data[].id' | grep -i "SEARCH_TERM"`
- Anthropic: https://docs.anthropic.com/en/api/models/list
- Cerebras: https://inference-docs.cerebras.ai/models/overview

### Lagging Providers

Fireworks, Together, and SiliconFlow typically expose new models on their own endpoints 1–2 weeks before models.dev / LiteLLM catch up. For these providers, **always** cross-check directly — both when adding a new model and when running the [Phase 1B backfill check](#phase-1b--lagging-provider-backfill-check-every-run).

**Fireworks AI** — model pages are the most current source. WebFetch directly:
```
WebFetch https://fireworks.ai/models/fireworks/{model-slug}
```
Or browse the catalog at https://fireworks.ai/models. Kiln slug format: `accounts/fireworks/models/{model-slug}`.

**Together AI** — the `/v1/models` endpoint requires an API key. `$TOGETHER_API_KEY` is typically set in the user's shell:
```bash
# List all Together model IDs matching a term:
curl -s https://api.together.xyz/v1/models \
  -H "Authorization: Bearer $TOGETHER_API_KEY" | jq '.[] | .id' | grep -i "SEARCH_TERM"

# Full record for a specific slug:
curl -s https://api.together.xyz/v1/models \
  -H "Authorization: Bearer $TOGETHER_API_KEY" | jq '.[] | select(.id == "SLUG")'
```
If the key isn't set, ask the user before prompting them to export it — don't fail silently onto models.dev.

**SiliconFlow** — WebFetch the public model catalog page, or a specific model page if you have the vendor/model path:
```
WebFetch https://siliconflow.com/models
WebFetch https://siliconflow.com/models/{vendor}/{model}
```

When you find a new reliable slug source, append it here.
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