# Claude Fable 5 Scores 95% on SWE-bench, Then Hands Off to Opus 4.8

> **Popularity potential 8/100 — review.**  
> Kind: `website` · Source: `web` · Fable confidence: 80%

Anthropic's new Mythos-class model leads on coding benchmarks but deliberately defers to a safer predecessor in restricted domains. That design choice says more than the score.

## Scorecard

| Dimension | Score |
| --- | --- |
| Originality | 2/5 |
| Usefulness | 2/5 |
| Execution | 2/5 |
| Momentum | 1/5 |
| Fable fit | 2/5 |
| Code quality | 1/5 |

## Fable-5 evidence

- dev.to article: Explicit model id: “Claude Fable”
- Confidence: **80%** 

## Signals

- Stars: 0 · Forks: 0 · Open issues: 0
- Language: — · License: —
- Last pushed: 2026-06-12T08:21:41.000Z
- Community reviews captured: 0

## Verdict

A dev.to think-piece about Fable 5 benchmarks — meta-commentary on the model, not something built with it. Zero engagement signals and no artifact beyond the article itself make breakout essentially impossible. This is the kind of 'interesting take' post that gets a handful of reads and disappears.

## Links

- Live: https://dev.to/peremptory/claude-fable-5-scores-95-on-swe-bench-then-hands-off-to-opus-48-4ji6
- Discovered at: https://dev.to/peremptory/claude-fable-5-scores-95-on-swe-bench-then-hands-off-to-opus-48-4ji6

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_Rated by claude-sonnet-4-6 · 2026-06-15T12:06:01.334Z · fable.directory_

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