Updated
Claude Fable 5.2 vs Claude Opus 5
Claude Fable 5.2 does not have enough reviewed code to rank yet, and Claude Opus 5 is no longer ranked because it now writes under 0.5% of AI-attributed lines.
| Claude Fable 5.2 | Claude Opus 5 | |
|---|---|---|
| Bug rate | ||
| Relative bug rate | Launch week | No longer ranked |
| Details | ||
| Provider | Anthropic | Anthropic |
| Released | Nov 9, 2026 | Jul 24, 2026 |
| List price | $8 input / $40 output per 1M tokens | $5 input / $25 output per 1M tokens |
1.00 = average · lower is better
More comparisons
Questions and answers
- Which has fewer bugs, Claude Fable 5.2 or Claude Opus 5?
- Claude Fable 5.2 does not have enough reviewed code to rank yet, and Claude Opus 5 is no longer ranked because it now writes under 0.5% of AI-attributed lines.
- Which is cheaper, Claude Fable 5.2 or Claude Opus 5?
- Claude Fable 5.2 lists at $8 input / $40 output per 1M tokens; Claude Opus 5 lists at $5 input / $25 output per 1M tokens. Claude Opus 5 has the lower list price.