Model comparison
Claude Fable 5 vs Claude 3.7 Sonnet
Capability radar, value bars, and side-by-side posture.
Claude Fable 5
Not scored
value score
Claude 3.7 Sonnet
88
value score
Claude Fable 5 ctx
—
Claude 3.7 Sonnet ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 3.7 Sonnet88
Attribute tape
| Field | Claude Fable 5 | Claude 3.7 Sonnet |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | — |
| Value score | — | 88 |
| Summary | Claude Fable 5 is a claimed Anthropic flagship model positioned for advanced reasoning, long-horizon agentic workflows, and software engineering tasks. It is described as a publicly available Mythos-class model with multimodal vision, up to 1M token context, and sub-agent orchestration capabilities. | Prior Claude Sonnet generation with strong coding. |