Updated

Claude Fable 5.2 vs Claude Opus 5.5

Claude Fable 5.2 does not have enough reviewed code to rank yet.

Claude Fable 5.2 and Claude Opus 5.5 compared on relative bug rate and on price.
Claude Fable 5.2Claude Opus 5.5
Bug rate
Relative bug rateLaunch week1.10
Details
ProviderAnthropicAnthropic
ReleasedNov 9, 2026Sep 22, 2026
List price$8 input / $40 output per 1M tokens$4 input / $20 output per 1M tokens

1.00 = average · lower is better

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Questions and answers

Which has fewer bugs, Claude Fable 5.2 or Claude Opus 5.5?
Claude Fable 5.2 does not have enough reviewed code to rank yet.
Which is cheaper, Claude Fable 5.2 or Claude Opus 5.5?
Claude Fable 5.2 lists at $8 input / $40 output per 1M tokens; Claude Opus 5.5 lists at $4 input / $20 output per 1M tokens. Claude Opus 5.5 has the lower list price.