Skip to content

OpenAI: GPT-5.5 Pro vs OpenAI: GPT-6.1 Sol

OpenAI: GPT-6.1 Sol is cheaper on output tokens. Choose OpenAI: GPT-5.5 Pro or OpenAI: GPT-6.1 Sol based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecOpenAI: GPT-5.5 ProOpenAI: GPT-6.1 Sol
ProviderOpenAIOpenAI
Input / 1M tokens$30.00$2.00
Output / 1M tokens$180.00$10.00
Context window1.1M1.1M
Parameters——
Open weightsNo—
ReleasedApr 2026—

FAQ

Is OpenAI: GPT-5.5 Pro or OpenAI: GPT-6.1 Sol cheaper?

OpenAI: GPT-6.1 Sol is cheaper on output tokens ($10.00 vs $180.00 per 1M).

Which has the larger context window, OpenAI: GPT-5.5 Pro or OpenAI: GPT-6.1 Sol?

Both models offer a similar context window.

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.