Overview
OpenAI’s sixth-generation frontier model for complex reasoning, coding, computer use, research, and document work; currently rolling out first to enterprises in the Trusted Access Program.
GPT-6 Astra
OpenAI’s sixth-generation frontier model for complex reasoning, coding, computer use, research, and document work; currently rolling out first to enterprises in the Trusted Access Program.
MODEL NUMBER057
- Release date
- 2026-09-03
- Organization
- OpenAI
- Family
- GPT
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Specifications
Only published specifications are shown.
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Overview
Why it mattered
Astra advances the GPT line toward longer end-to-end workflows with a 1.05M context window, 128K output limit, and stronger tool use as the new flagship specification.
PreviousGPT-5.6— · — ctx
CurrentGPT-6 Astra— · 1.1M ctx
New capabilities Web search file search Image generation code interpreter Long-horizon agent
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Architecture & capabilities
Key capabilities
Adjustable reasoningCodingComputer useWeb searchfile searchImage generationcode interpreterLong-horizon agent
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Release history
GPT-6 Astra launched and began a phased rollout; it is initially available to enterprises in Trusted Access, with API and Plus, Pro, Business, and Enterprise access coming in the following days.
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Related models
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