Which is cheaper, Claude Fable 5 or Claude Opus 5.5?

Claude Fable 5 lists at $10 input / $50 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.

Updated Sep 26, 2026

Claude Fable 5 vs Claude Opus 5.5

Claude Opus 5.5 does not have enough reviewed code to rank yet.

Claude Fable 5 and Claude Opus 5.5 compared on relative bug rate, by coding agent, bug type, and language, and on price and usage.
Bug rate
	Claude Fable 5	Claude Opus 5.5
Relative bug rate	0.70	Launch week
Details
Provider	Anthropic	Anthropic
Released	Jun 9, 2026	Sep 22, 2026
List price	$10 input / $50 output per 1M tokens	$4 input / $20 output per 1M tokens

1.00 = average · lower is better

More comparisons

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Claude Opus 5.5 vs GPT-5.6 Sol
Claude Opus 5.5 vs Claude Opus 4.8

Questions and answers

Which has fewer bugs, Claude Fable 5 or Claude Opus 5.5?: Claude Opus 5.5 does not have enough reviewed code to rank yet.
Which is cheaper, Claude Fable 5 or Claude Opus 5.5?: Claude Fable 5 lists at $10 input / $50 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.