AI - Paski.devClaude Fable 5
Anthropic llmAnthropic's most capable generally available model at launch, built from the same checkpoint as Claude Mythos 5 but with broader safety classifiers active.
overall ⌄
73.3
7 of 93 ranked
price · $/M tokens
10 / 50
in / out, as of 2026-07-25
to run it yourself ⌄
API only
no weights to run
Benchmarks
What its maker published, and what anyone else measured. Every figure links the document it came from.
Cheaper, and at least as good
On a 1,000-in, 1,000-out call these cost less and rank no lower — a hard comparison to argue with, and a narrow one. Value covers what it misses.
| GPT-5.2 OpenAI | $0.0158 | overall 73.7 |
| Claude Opus 4.7 Anthropic | $0.0300 | overall 74.7 |
| Claude Opus 4.8 Anthropic | $0.0300 | overall 78.4 |
| Claude Opus 5 Anthropic | $0.0300 | overall 81.7 |
| GPT-5.6 OpenAI | $0.0350 | overall 76.6 |
Lineage
↓ base Claude Mythos 5
Metadata
| org | Anthropic |
| released | 2026-06-09 |
| license | proprietary |