Which is cheaper, Claude Fable 5.1 or GPT-6.1 Sol?

Claude Fable 5.1 lists at $10 input / $50 output per 1M tokens; GPT-6.1 Sol lists at $2 input / $10 output per 1M tokens. GPT-6.1 Sol has the lower list price.

Updated Oct 2, 2026

Claude Fable 5.1 vs GPT-6.1 Sol

GPT-6.1 Sol does not have enough reviewed code to rank yet.

Claude Fable 5.1 and GPT-6.1 Sol compared on relative bug rate and on price.
Bug rate
	Claude Fable 5.1	GPT-6.1 Sol
Relative bug rate	1.21	Launch week
Details
Provider	Anthropic	OpenAI
Released	Sep 1, 2026	Sep 29, 2026
List price	$10 input / $50 output per 1M tokens	$2 input / $10 output per 1M tokens

1.00 = average · lower is better

More comparisons

All comparisons →

Claude Fable 5.1 vs Claude Opus 4.8
Claude Fable 5.1 vs GPT-6 Astra
Claude Fable 5.1 vs GPT-5.6 Sol
GPT-6.1 Sol vs GPT-5.6 Sol
GPT-6.1 Sol vs Claude Opus 4.8
GPT-6.1 Sol vs GPT-6 Astra

Questions and answers

Which has fewer bugs, Claude Fable 5.1 or GPT-6.1 Sol?: GPT-6.1 Sol does not have enough reviewed code to rank yet.
Which is cheaper, Claude Fable 5.1 or GPT-6.1 Sol?: Claude Fable 5.1 lists at $10 input / $50 output per 1M tokens; GPT-6.1 Sol lists at $2 input / $10 output per 1M tokens. GPT-6.1 Sol has the lower list price.