Claude Fable 5
Claude Fable 5 is Anthropic's premium-tier model, released June 9, 2026, at $10 per million input tokens and $50 per million output — the most expensive frontier API. It scores 62 on the Artificial Analysis Intelligence Index with a 1M-token context window and faster output than Claude Opus 5.
Spec sheet
| Maker | Anthropic |
|---|---|
| Released | 2026-06-09 |
| API ID | claude-fable-5 |
| Parameters | Not disclosed |
| Context window | 1M tokens |
| Modalities in | text, image |
| Modalities out | text |
| API availability | Anthropic API · AWS Bedrock · Google Vertex AI (unverified) |
| Pricing (per MTok) | $10 in / $50 outas of · source |
Benchmarks
| Benchmark | Score | Measured | Source |
|---|---|---|---|
| AA Intelligence Index | 62 | artificialanalysis.ai |
Dashed values are vendor-published and not yet reproduced in our harness — methodology.
Changelog
- Anthropic releases Claude Fable 5 — new premium tier at $10/$50 per MToksource
Head-to-head
Related news
Profile published August 11, 2026; data last changed August 11, 2026. Every value carries its own measurement or verification date. Flagged values are best-known public figures pending confirmation.