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GPT-6 Astra

OpenAI·Operational·Released 2026-09-03textvision
Context1,050k
Max output128k
Input / 1M$10 ↗
Output / 1M$50 ↗
Cached in$1
Benchmarks8

Benchmarks

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

FrontierMath Tier 4 v2 (Epoch AI run)#1/4497.6% ↗
FrontierMath Tiers 1-3 v2 (Epoch AI run)#1/5993.7% ↗
GPQA Diamond (Epoch AI run)#1/7795.8% ↗
OTIS Mock AIME 2024-2025 (Epoch AI run)#1/76100% ↗
SimpleQA Verified (Epoch AI run)#1/5375.6% ↗
AutomationBench#1/241.4% ↗
GPQA Diamond#1/7096% ↗
Terminal-Bench Science 0.1#1/364.6% ↗

Compare

vs GPT-5.6 Solvs GPT-5.6 Terravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5vs Claude Sonnet 5vs Claude Haiku 4.5vs Gemini 3.8 Flash

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