Updated

GPT-5.6 Sol vs GPT-6.1 Sol

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

GPT-5.6 Sol and GPT-6.1 Sol compared on relative bug rate and on price.
GPT-5.6 SolGPT-6.1 Sol
Bug rate
Relative bug rate0.72Launch week
Details
ProviderOpenAIOpenAI
ReleasedJul 9, 2026Sep 29, 2026
List price$4 input / $20 output per 1M tokens$2 input / $10 output per 1M tokens

1.00 = average · lower is better

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Questions and answers

Which has fewer bugs, GPT-5.6 Sol or GPT-6.1 Sol?
GPT-6.1 Sol does not have enough reviewed code to rank yet.
Which is cheaper, GPT-5.6 Sol or GPT-6.1 Sol?
GPT-5.6 Sol lists at $4 input / $20 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.