First party
Anthropic
Anthropic is a First party provider with 11 models across 15 offerings.
Access
- SDK
- @ai-sdk/anthropic
- Environment variables
- ANTHROPIC_API_KEY
Protocols
Anthropic messages
Organizations
| Organization | Families | Models |
|---|---|---|
| Anthropic | 1 | 11 |
Models
11 of 11 model versions
| Model | Organization | Family | Provider model ID | Context | Max output | Input | Output | Reasoning | Tool call | Structured | Temperature | Weights | Pricing | Released | Updated | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 5 anthropic/claude/opus-5 | Anthropic | Claude | claude-opus-5 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | -No | Closed | input $5/M · cache read $0.5/M output $25/M · cache write $6.25/M | 2026-07-24 | 2026-07-24 | |
| Claude Sonnet 5 anthropic/claude/sonnet-5 | Anthropic | Claude | claude-sonnet-5 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | -No | Closed | input $2/M · cache read $0.2/M output $10/M · cache write $2.5/M | 2026-06-30 | 2026-07-01 | |
| Claude Fable 5 anthropic/claude/fable-5 | Anthropic | Claude | claude-fable-5 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | -No | Closed | input $10/M · cache read $1/M output $50/M · cache write $12.5/M | 2026-06-09 | 2026-06-11 | |
| Claude Opus 4.8 anthropic/claude/opus-4-8 | Anthropic | Claude | claude-opus-4-8 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | -No | Closed | input $5/M · cache read $0.5/M output $25/M · cache write $6.25/M | 2026-05-28 | 2026-06-11 | |
| Claude Opus 4.7 anthropic/claude/opus-4-7 | Anthropic | Claude | claude-opus-4-7 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | -No | Closed | input $5/M · cache read $0.5/M output $25/M · cache write $6.25/M | 2026-04-16 | 2026-06-11 | |
| Claude Sonnet 4.6 anthropic/claude/sonnet-4-6 | Anthropic | Claude | claude-sonnet-4-6 Anthropic messages · Streaming | 1M | 64K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $3/M · cache read $0.3/M output $15/M · cache write $3.75/M | 2026-02-17 | 2026-06-11 | |
| Claude Opus 4.6 anthropic/claude/opus-4-6 | Anthropic | Claude | claude-opus-4-6 Anthropic messages · Streaming | 1M | 128K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $5/M · cache read $0.5/M output $25/M · cache write $6.25/M | 2026-02-05 | 2026-07-17 | |
| Claude Opus 4.5 anthropic/claude/opus-4-5-20251101 | Anthropic | Claude | claude-opus-4-5 Anthropic messages · Streaming claude-opus-4-5-20251101 Anthropic messages · Streaming | 200K | 64K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $5/M · cache read $0.5/M output $25/M · cache write $6.25/M | 2025-11-01 | 2026-06-11 | |
| Claude Haiku 4.5 anthropic/claude/haiku-4-5-20251001 | Anthropic | Claude | claude-haiku-4-5 Anthropic messages · Streaming claude-haiku-4-5-20251001 Anthropic messages · Streaming | 200K | 64K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $1/M · cache read $0.1/M output $5/M · cache write $1.25/M | 2025-10-15 | 2026-01-01 | |
| Claude Sonnet 4.5 anthropic/claude/sonnet-4-5-20250929 | Anthropic | Claude | claude-sonnet-4-5 Anthropic messages · Streaming claude-sonnet-4-5-20250929 Anthropic messages · Streaming | 200K | 64K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $3/M · cache read $0.3/M output $15/M · cache write $3.75/M | 2025-09-29 | 2026-06-11 | |
| Claude Opus 4.1 anthropic/claude/opus-4-1-20250805 | Anthropic | Claude | claude-opus-4-1 Anthropic messages · Streaming claude-opus-4-1-20250805 Anthropic messages · Streaming | 200K | 32K | TextImageDocument | Text | Yes | Yes | -No | Yes | Closed | input $15/M · cache read $1.5/M output $75/M · cache write $18.75/M | 2025-08-05 | 2026-01-01 |