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GPT-6 Luna

OpenAI·Operational·Released 2026-09-22textvision
Context1,050k
Max output128k
Input / 1M$0.1 ↗
Output / 1M$0.5 ↗
Cached in$0.01
Benchmarks1

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

DeepSWE v1.1#10/1666.6% ↗

Compare

vs GPT-6 Solvs GPT-5.6 Solvs GPT-5.6 Terravs Claude Opus 5.5vs GPT-6 Astravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5

More from OpenAI

GPT-6 SolGPT-5.6 SolGPT-5.6 TerraGPT-6 AstraGPT-5.6 LunaGPT-5.5

Access GPT-6 Luna and every other model through one endpoint with automatic failover: Respan gateway.