GPT-6 Luna (Xhigh)
Benchmark scores, pricing, speed and comparisons for GPT-6 Luna (Xhigh).
GPT-6 Luna (Xhigh) is an AI model from OpenAI, released 2026-09-22. It scores 23.5 on the Intelligence Index.
GPT-6 Luna (Xhigh) at a glance
OpenAI released GPT-6 Luna (Xhigh) on September 22, 2026.
GPT-6 Luna (Xhigh) scores 23.5 on the Intelligence Index, the overall score the AI Benchmark rankings sort models by. This score comes from independent third-party model evaluations, which Franklin AI syncs automatically each day.
It costs $0.10 per million input tokens and $0.50 per million output tokens, so a sample workload of 1 million input tokens and 200,000 output tokens costs about $0.20. It writes about 118 output tokens per second, so a 500-token answer takes roughly 4.2 seconds once output starts, after a wait of about 34.05 seconds for the first token.
The benchmark data has no Coding Index, Math Index or individual benchmark results for GPT-6 Luna (Xhigh) yet.
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