Model families
Models
24 of 30 model versions
| Family | Max output | Input type | Output type | Reasoning | Tool call | Structured | Temperature | Weights | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Fable 5.2 | Claude | - | 1M | 128K | Yes | -No | -No | -No | — | - | - | - | - | 2026-11-09 | ||
| Claude Mythos 5.2 | Claude | - | 1M | 128K | Yes | -No | -No | -No | — | - | - | - | - | 2026-11-09 | ||
| Claude Haiku 5.5 | Claude | - | 1M | 128K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2026-10-07 | ||
| Claude Sonnet 5.5 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-09-28 | ||
| Claude Opus 5.5 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-09-22 | ||
| Claude Fable 5.1 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-09-01 | ||
| Claude Mythos 5.1 | Claude | - | - | - | -No | -No | -No | -No | Closed | - | - | - | - | 2026-09-01 | ||
| Claude Opus 5 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-07-24 | ||
| Claude Opus 5 (Fast) | Claude | - | 1M | 128K | Yes | Yes | Yes | -No | Closed | - | - | - | - | 2026-07-24 | ||
| Claude Sonnet 5 | Claude | 1M | 128K | Yes | Yes | -No | -No | Closed | 2026-06-30 | |||||||
| Claude Fable 5 | Claude | 1M | 128K | Yes | Yes | -No | -No | Closed | 2026-06-09 | |||||||
| Claude Opus 4.8 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-05-28 | ||
| Claude Opus 4.8 (Fast) | Claude | - | 1M | 128K | Yes | Yes | Yes | -No | Closed | - | - | - | - | 2026-05-27 | ||
| Claude Opus 4.7 (Fast) | Claude | - | 1M | 128K | Yes | Yes | Yes | -No | Closed | - | - | - | - | 2026-05-12 | ||
| Claude Opus 4.7 | Claude | - | 1M | 128K | Yes | Yes | -No | -No | Closed | - | - | - | - | 2026-04-16 | ||
| Claude Sonnet 4.6 | Claude | - | 1M | 64K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2026-02-17 | ||
| Claude Opus 4.6 | Claude | - | 1M | 128K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2026-02-05 | ||
| Claude Opus 4.5 | Claude | - | 200K | 64K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-11-01 | ||
| Claude Haiku 4.5 | Claude | - | 200K | 64K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-10-15 | ||
| Claude Sonnet 4.5 | Claude | - | 200K | 64K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-09-29 | ||
| Claude Opus 4.1 | Claude | - | 200K | 32K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-08-05 | ||
| Claude Opus 4 | Claude | - | 200K | 32K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-05-22 | ||
| Claude Sonnet 4 | Claude | - | 200K | 64K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-05-22 | ||
| Claude Opus 4 | Claude | - | 200K | 32K | Yes | Yes | -No | Yes | Closed | - | - | - | - | 2025-05-22 |
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