GPT-6 Astra
OpenAI's GPT-6 flagship — a generational leap in computer use, software engineering, science, and professional work that reaches the Critical cybersecurity threshold under OpenAI's Preparedness Framework
GPT-6 Astra
OpenAI • September 2026
Training Data
Not disclosed
GPT-6 Astra
September 2026
Parameters
Not disclosed
Training Method
Reinforcement Learning with Chain-of-Thought Reasoning
Context Window
1,050,000 tokens
Knowledge Cutoff
April 30, 2026
Key Features
1M Token Context • Autonomous Computer Use • Critical-Tier Cybersecurity • Reasoning Effort: Low to Max
Capabilities
Computer Use: Maximum (72.6% OSWorld 2.0)
Science & Math: Maximum (96% GPQA Diamond)
Alignment: Outstanding (91.5% cyber-jailbreak refusal)
What's New in This Version
Beats GPT-5.6 Sol on OSWorld 2.0 (72.6% vs 65.7%) at ~47% less time per task, saturates ExploitBench (100%) and FrontierMath Tier 4 (~98%), and refuses 91.5% of cyber jailbreaks vs Sol's 59%; priced as a premium tier ($10/$50 per 1M tokens, fast mode $20/$100); rolling out in phases from September 3, 2026, starting with gated enterprise access
OpenAI's GPT-6 flagship — a generational leap in computer use, software engineering, science, and professional work that reaches the Critical cybersecurity threshold under OpenAI's Preparedness Framework
What's New in This Version
Beats GPT-5.6 Sol on OSWorld 2.0 (72.6% vs 65.7%) at ~47% less time per task, saturates ExploitBench (100%) and FrontierMath Tier 4 (~98%), and refuses 91.5% of cyber jailbreaks vs Sol's 59%; priced as a premium tier ($10/$50 per 1M tokens, fast mode $20/$100); rolling out in phases from September 3, 2026, starting with gated enterprise access
Technical Specifications
Key Features
Capabilities
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