Which is cheaper, GPT-6.1 Sol or GPT-6 Astra?

GPT-6.1 Sol lists at $2 input / $10 output per 1M tokens; GPT-6 Astra lists at $10 input / $50 output per 1M tokens. GPT-6.1 Sol has the lower list price.

Updated Oct 2, 2026

GPT-6.1 Sol vs GPT-6 Astra

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

GPT-6.1 Sol and GPT-6 Astra compared on relative bug rate and on price.
Bug rate
	GPT-6.1 Sol	GPT-6 Astra
Relative bug rate	Launch week	1.30
Details
Provider	OpenAI	OpenAI
Released	Sep 29, 2026	Sep 4, 2026
List price	$2 input / $10 output per 1M tokens	$10 input / $50 output per 1M tokens

1.00 = average · lower is better

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Questions and answers

Which has fewer bugs, GPT-6.1 Sol or GPT-6 Astra?: GPT-6.1 Sol does not have enough reviewed code to rank yet.
Which is cheaper, GPT-6.1 Sol or GPT-6 Astra?: GPT-6.1 Sol lists at $2 input / $10 output per 1M tokens; GPT-6 Astra lists at $10 input / $50 output per 1M tokens. GPT-6.1 Sol has the lower list price.