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GPT-6 Luna vs GPT-5.4

GPT-6 Luna is cheaper on output tokens. Choose GPT-6 Luna or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-6 LunaGPT-5.4
ProviderCortecsCortecs
Input / 1M tokens$0.12$2.90
Output / 1M tokens$0.60$15.45
Context window1.1M1.1M
Parameters——
Open weightsNoNo
ReleasedSep 2026Mar 2026

FAQ

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