Updated
Claude Fable 5.1 vs Claude Haiku 5.5
Claude Haiku 5.5 does not have enough reviewed code to rank yet.
| Claude Fable 5.1 | Claude Haiku 5.5 | |
|---|---|---|
| Bug rate | ||
| Relative bug rate | 1.11 | Launch week |
| Details | ||
| Provider | Anthropic | Anthropic |
| Released | Sep 1, 2026 | Oct 7, 2026 |
| List price | $10 input / $50 output per 1M tokens | $0.10 input / $0.50 output per 1M tokens |
1.00 = average · lower is better
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Questions and answers
- Which has fewer bugs, Claude Fable 5.1 or Claude Haiku 5.5?
- Claude Haiku 5.5 does not have enough reviewed code to rank yet.
- Which is cheaper, Claude Fable 5.1 or Claude Haiku 5.5?
- Claude Fable 5.1 lists at $10 input / $50 output per 1M tokens; Claude Haiku 5.5 lists at $0.10 input / $0.50 output per 1M tokens. Claude Haiku 5.5 has the lower list price.