What Is GPT Astra? GPT Astra (officially GPT-6 Astra) is OpenAI’s flagship reasoning model, released September 3, 2026. It sits above the entire GPT-5.6 family as OpenAI’s most capable model, with a 1.05 million token context window standard across every service tier.
Discovery
Learnings
- auto_storiesStories
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Guidance
- codeTechnology of APIs
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- campaignEvangelism of APIs
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- historyHistory of APIs
- account_balancePolitics of APIs
Toolbox
- domainProviders
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- layersOverlays
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- policyPolicies
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