Anthropic Claude LLM Model ID Reference
The exact model ID string for every major LLM API — copy-paste ready, with context windows and prices, verified against official docs.
Model IDs verified 2026-07-24 against official provider docs. Click an ID to copy it.
| Model | API model ID | Context | $/1M in · out |
|---|---|---|---|
| Claude Opus 5 | 1,000,000 | $5 · $25 | |
| Claude Opus 4.8 | 1,000,000 | $5 · $25 | |
| Claude Sonnet 5 | 1,000,000 | $2 · $10 | |
| Claude Haiku 4.5 | — | $1 · $5 | |
| Claude Fable 5 | — | $10 · $50 |
Source: official Anthropic Claude docs → · Anthropic Claude cost calculator
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