69 lines
4.5 KiB
Markdown
69 lines
4.5 KiB
Markdown
# Claude Model Catalog
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**Only use exact model IDs listed in this file.** Never guess or construct model IDs — incorrect IDs will cause API errors. Use aliases wherever available. For the latest information, WebFetch the Models Overview URL in `shared/live-sources.md`.
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## Current Models (recommended)
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| Friendly Name | Alias (use this) | Full ID | Context | Max Output | Status |
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|-------------------|---------------------|-------------------------------|----------------|------------|--------|
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| Claude Opus 4.6 | `claude-opus-4-6` | — | 200K (1M beta) | 128K | Active |
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| Claude Sonnet 4.6 | `claude-sonnet-4-6` | - | 200K (1M beta) | 64K | Active |
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| Claude Haiku 4.5 | `claude-haiku-4-5` | `claude-haiku-4-5-20251001` | 200K | 64K | Active |
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### Model Descriptions
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- **Claude Opus 4.6** — Our most intelligent model for building agents and coding. Supports adaptive thinking (recommended), 128K max output tokens (requires streaming for large outputs). 1M context window available in beta via `context-1m-2025-08-07` header.
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- **Claude Sonnet 4.6** — Our best combination of speed and intelligence. Supports adaptive thinking (recommended). 1M context window available in beta via `context-1m-2025-08-07` header. 64K max output tokens.
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- **Claude Haiku 4.5** — Fastest and most cost-effective model for simple tasks.
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## Legacy Models (still active)
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| Friendly Name | Alias (use this) | Full ID | Status |
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|-------------------|---------------------|-------------------------------|--------|
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| Claude Opus 4.5 | `claude-opus-4-5` | `claude-opus-4-5-20251101` | Active |
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| Claude Opus 4.1 | `claude-opus-4-1` | `claude-opus-4-1-20250805` | Active |
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| Claude Sonnet 4.5 | `claude-sonnet-4-5` | `claude-sonnet-4-5-20250929` | Active |
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| Claude Sonnet 4 | `claude-sonnet-4-0` | `claude-sonnet-4-20250514` | Active |
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| Claude Opus 4 | `claude-opus-4-0` | `claude-opus-4-20250514` | Active |
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## Deprecated Models (retiring soon)
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| Friendly Name | Alias (use this) | Full ID | Status |
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|-------------------|---------------------|-------------------------------|------------|
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| Claude Haiku 3 | — | `claude-3-haiku-20240307` | Deprecated |
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## Retired Models (no longer available)
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| Friendly Name | Full ID | Retired |
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|-------------------|-------------------------------|-------------|
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| Claude Sonnet 3.7 | `claude-3-7-sonnet-20250219` | Feb 19, 2026 |
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| Claude Haiku 3.5 | `claude-3-5-haiku-20241022` | Feb 19, 2026 |
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| Claude Opus 3 | `claude-3-opus-20240229` | Jan 5, 2026 |
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| Claude Sonnet 3.5 | `claude-3-5-sonnet-20241022` | Oct 28, 2025 |
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| Claude Sonnet 3.5 | `claude-3-5-sonnet-20240620` | Oct 28, 2025 |
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| Claude Sonnet 3 | `claude-3-sonnet-20240229` | Jul 21, 2025 |
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| Claude 2.1 | `claude-2.1` | Jul 21, 2025 |
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| Claude 2.0 | `claude-2.0` | Jul 21, 2025 |
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## Resolving User Requests
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When a user asks for a model by name, use this table to find the correct model ID:
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| User says... | Use this model ID |
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|-------------------------------------------|--------------------------------|
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| "opus", "most powerful" | `claude-opus-4-6` |
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| "opus 4.6" | `claude-opus-4-6` |
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| "opus 4.5" | `claude-opus-4-5` |
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| "opus 4.1" | `claude-opus-4-1` |
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| "opus 4", "opus 4.0" | `claude-opus-4-0` |
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| "sonnet", "balanced" | `claude-sonnet-4-6` |
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| "sonnet 4.6" | `claude-sonnet-4-6` |
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| "sonnet 4.5" | `claude-sonnet-4-5` |
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| "sonnet 4", "sonnet 4.0" | `claude-sonnet-4-0` |
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| "sonnet 3.7" | Retired — suggest `claude-sonnet-4-5` |
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| "sonnet 3.5" | Retired — suggest `claude-sonnet-4-5` |
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| "haiku", "fast", "cheap" | `claude-haiku-4-5` |
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| "haiku 4.5" | `claude-haiku-4-5` |
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| "haiku 3.5" | Retired — suggest `claude-haiku-4-5` |
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| "haiku 3" | Deprecated — suggest `claude-haiku-4-5` |
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