Model comparison
Claude Fable 5 vs Claude 4 Sonnet
Capability radar, value bars, and side-by-side posture.
Claude Fable 5
Not scored
value score
Claude 4 Sonnet
91
value score
Claude Fable 5 ctx
—
Claude 4 Sonnet ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Sonnet91
Attribute tape
| Field | Claude Fable 5 | Claude 4 Sonnet |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | $3/1M in · $15/1M out |
| Value score | — | 91 |
| 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. | Balanced Claude model for coding and agents. |