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G6
AI Model

GPT-6 Astra

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OpenAI's flagship model, released 3 September 2026 with a 1,050,000-token context window and vetted enterprise access first

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TrustList summary

GPT-6 Astra is OpenAI's flagship AI model, shipped on 3 September 2026. Its public version refuses requests for proof-of-concept exploits, and its rollout started with vetted enterprise customers in the gated Daybreak programme.

What GPT-6 Astra offers

  • Long context: a window of 1,050,000 tokens and up to 128K tokens of output.
  • Computer use: OpenAI reports 72.6% on OSWorld 2.0.
  • Mathematics: OpenAI reports 97.6% on FrontierMath Tier 4.
  • ARC-AGI-3: 99.9% in OpenAI's Provider Adapter setup and 62.7% in the shared standard setup, according to ARC Prize's report. ARC Prize cautions that a high score would not prove AGI.
  • Cybersecurity threshold: the first model OpenAI has labelled as reaching its 'critical' cybersecurity level.

Who it works with

Vetted enterprise customers first, followed by ChatGPT plans and the API.

Key facts

  • Released: 3 September 2026
  • Knowledge cutoff: April 2026
  • Developer: OpenAI

Summary written by TrustList from the business's own published information, Oct 2026.

Benchmarks & AI stats

AI model rankings
BenchmarkOfficialCommunity avg
ARC-AGI-3 (Provider Adapter harness)reasoning99.9 %-
ARC-AGI-3 (Standard harness)reasoning62.7 %-
ExploitBenchreasoning100 %-
FrontierMath Tier 4reasoning97.6 %-
OSWorld 2.0agent72.6 %-

“Official” values are editor-approved and feed the ranking. “Community avg” is the mean of member submissions (shown for transparency; it never affects the ranking until an editor approves a value).

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Trust Score

4/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement - the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
18/100 · 20%
Engagement
0/100 · 15%
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Complaints
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Updated 9/16/2026

What the business tells TrustList

Founded
2026 (0 years) evidence sent

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