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GPT-6 Astra

OpenAI · 2026-09-03

GPT-6 Astra is OpenAI's September 2026 reasoning model for complex coding, computer use, research, and professional work. It supports low, medium, high, xhigh, and max reasoning effort; a no-reasoning mode is not supported.

Benchmark scores

BenchmarkScore
AA-3D v1.0 Elo1164
AA-AnalystAgent (pass@1)60.0
AA-AnalystAgent (pass@5)67.5
AA-AnalystAgent (pass^5)51.3
AA-Briefcase Elo1562
AA-Briefcase v1.1 Elo1568
AA-LCR v1.180.0
AA-Omniscience Index43.7
AA-Omniscience v1.1 Accuracy61.6
AA-Omniscience v1.1 Hallucination Rate42.5
AA-Omniscience v1.1 Index44.6
AA-Robotics v0.169.4
ActiveVision76.5
ActiveVision with tools91.8
AdvancedIF82.0
AdvancedIF (rubric mean score)94.6
Agent Red Teaming k=100 (CAIS)13.5
Agents' Last Exam (ALE)34.2
Agents' Last Exam ALE-CLI Pass Rate33.3
Agents' Last Exam ALE-CLI Score61.4
Agents' Last Exam Full-Spectrum Pass Rate30.9
Agents' Last Exam Full-Spectrum Score51.8
Agents' Last Exam Last-Exam Pass Rate10.5
Agents' Last Exam Last-Exam Score27.4
Agents' Last Exam Near-Term Pass Rate52.2
Agents' Last Exam Near-Term Score82.3
Agents' Last Exam Overall Score59.3
Agents' Last Exam Unlicensed Full-Spectrum Pass Rate32.0
Agents' Last Exam Unlicensed Full-Spectrum Score51.6
Agents' Last Exam Unlicensed Last-Exam Pass Rate13.3
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