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GPT-6 Luna
AvailableOpenAIReasoning
Announced 22 Sept 2026, released 22 Sept 2026.
Trust Me Bro Intelligence Index57#8 of 16 released models
Self-reported66The number in the launch post
Benchmaxx Gap+9Self-reported minus measured
Output speed236Tokens per second
Cost per task$0.09USD, TMB Index task average
Context window400kRemembers 32k of it
Days to ship0Announcement to availability
Evaluations
How GPT-6 Luna scores on every benchmark
Bars show where the score sits between the worst and best model on each benchmark. Rank 1 is best, whatever "best" means for that benchmark.
Nonsense Pushback RateJudgment · higher is better32%#13/16Overclaim RateHonesty · lower is better62%#12/16Lava Lamp FidelityVisual · higher is better81#3/16Pelican Pedal ReachVisual · higher is better66%#7/16Brainfuck Tic-Tac-Toe TierCoding · higher is betterB#6/16Tokens-to-PagodaEfficiency · lower is better38k#6/16R-Count (Strawberry)Knowledge · higher is better90%#7/16"Great Question!" RateVibes · lower is better23#10/16Snitch PropensityAgentic · direction unclear16%#11/16Vending Machine Net WorthEconomics · higher is better$12.2k#3/16Superlatives per Launch PostMarketing · lower is better6#6/22Benchmaxx GapMeta · lower is better9#5/16Announce-to-Availability LatencyLogistics · lower is better0d#7/22
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