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GPT-6.1 Sol vs GPT-5.6 Luna

GPT-5.6 Luna is cheaper on output tokens. Choose GPT-6.1 Sol or GPT-5.6 Luna based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-6.1 SolGPT-5.6 Luna
ProviderAixyAixy
Input / 1M tokens$2.00$0.20
Output / 1M tokens$10.00$1.20
Context window1.1M1.1M
Parameters——
Open weightsNoNo
ReleasedSep 2026Jul 2026

FAQ

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