openrouter-model-catalog

# OpenRouter Model Catalog ## Overview Query the `GET /api/v1/models` endpoint to browse 400+ models, filter by capabilities, compare pricing, and check provider endpoints. No API key required for the models endpoint. ## List All Models ```bash # Full catalog (no auth required) curl -s https://openrouter.ai/api/v1/models | jq '.data | length' # → 400+ # Filter to text output models only curl -s "https://openrouter.ai/api/v1/models?supported_parameters=tools" | jq '.data | length' ``` ## Model Object Shape ```json { "id": "anthropic/claude-3.5-sonnet", "name": "Claude 3.5 Sonnet", "description": "Anthropic's most intelligent model...", "context_length": 200000, "pricing": { "prompt": "0.000003", "completion": "0.000015", "image": "0.0048", "request": "0" }, "top_provider": { "context_length": 200000, "max_completion_tokens": 8192, "is_moderated": false }, "per_request_limits": null, "architecture": { "modality": "text+image->text", "tokenizer": "Claude", "instruct_type": null } } ``` Key fields: - `pricing.prompt` / `pricing.completion` -- cost per token (not per million; multiply by 1M for readable rates) - `context_length` -- max input tokens - `top_provider.max_completion_tokens` -- max output tokens - `architecture.modality` -- `text->text`, `text+image->text`, etc. ## Python: Query and Filter ```python import requests models = requests.get("https://openrouter.ai/api/v1/models").json()["data"] # Find...