OpenAI releases GPT-6 Astra, calls it start of AGI era
OpenAI has released GPT-6 Astra, its most capable model yet. President Greg Brockman says it marks the start of the "AGI era," and the model is the first OpenAI rates as "critical" under its safety framework after finding two zero-day vulnerabilities during testing.
First seen 3 Sep, 18:18 UTC on Hacker News13 sourcesLast update 40d ago
OpenAILaunch · 3 Sep
GPT-6 Astra
Frontier-class model launch
$10.00 / $50.00per M tokens, in / out
1.05Mcontext
How GPT-6 Astra compares
List prices per million tokens, context and Arena's text leaderboard, against OpenAI's other top models and the leading labs' best. The percentages are GPT-6 Astra's price against each.
| Model | Released | Input | Output | Context | Arena |
|---|---|---|---|---|---|
| GPT-6 Astra | September 2026 | $10.00 | $50.00 | 1.05M | #30 1475 |
| GPT-6 Luna | September 2026 | $0.10 +9900% | $0.50 +9900% | 1.05M | not ranked yet |
| GPT-6 Sol | September 2026 | $2.00 +400% | $10.00 +400% | 1.05M | #57 1456 |
| Claude Opus 5.5 | September 2026 | $4.00 +150% | $20.00 +150% | 1M | #2 1507 |
| Gemini 4 Argon | October 2026 | $2.00 +400% | $10.00 +400% | 1M | #1 1525 |
| Muse Wonder | October 2026 | $4.00 +150% | $20.00 +150% | 1M | not ranked yet |
Arena ranks the best effort setting of each model among all models on its text leaderboard. Every model and price.
What the sources say
Linked, never rewritten. Official means the lab itself.
Press10
The Decoder· 3 Sep, 19:25GPT-6 Astra is the first model making OpenAI willing to declare the "AGI era"SiliconANGLE· 3 Sep, 22:46OpenAI starts rolling out its next-generation GPT-6 Astra modelThe Decoder· 4 Sep, 11:07Benchmarks disagree on GPT-6 Astra, but its human-beating efficiency on ARC-AGI-3 pulls Chollet's AGI forecast forwardThe Decoder· 4 Sep, 17:23OpenAI's GPT-6 Astra hallucinates less but remains vulnerable to hidden prompt injectionsOpenRouter· 4 Sep, 20:13OpenAI: GPT-6 Astra Pro listed on OpenRouterOpenRouter· 4 Sep, 20:13OpenAI: GPT-6 Astra listed on OpenRouterThe Decoder· 5 Sep, 07:41OpenAI rolls out GPT-6 Astra to top-tier ChatGPT plans at half the rate of GPT-5.6 SolThe Decoder· 5 Sep, 13:31OpenAI shares prompting tips for GPT-6 Astra including a blocklist of slop wordsThe Decoder· 7 Sep, 17:39GPT-6 Astra beat Portal start to finish without human help in under 24 hoursThe Decoder· 10 Sep, 13:45GPT-6 Astra gives mathematicians a breather, and OpenAI says that's by designHow it unfolded
Every source in the order it appeared. Times in UTC.
3 Sep 18:18Hacker News OpenAI begins rolling out GPT-6 Astra3 Sep 19:25The Decoder GPT-6 Astra is the first model making OpenAI willing to declare the "AGI era"3 Sep 19:45Hacker News OpenAI's GPT-6 Astra on ARC-AGI-33 Sep 22:46SiliconANGLE OpenAI starts rolling out its next-generation GPT-6 Astra model4 Sep 11:07The Decoder Benchmarks disagree on GPT-6 Astra, but its human-beating efficiency on ARC-AGI-3 pulls Chollet's AGI forecast forward4 Sep 17:23The Decoder OpenAI's GPT-6 Astra hallucinates less but remains vulnerable to hidden prompt injections4 Sep 20:13OpenRouter OpenAI: GPT-6 Astra Pro listed on OpenRouter4 Sep 20:13OpenRouter OpenAI: GPT-6 Astra listed on OpenRouter5 Sep 07:41The Decoder OpenAI rolls out GPT-6 Astra to top-tier ChatGPT plans at half the rate of GPT-5.6 Sol5 Sep 13:31The Decoder OpenAI shares prompting tips for GPT-6 Astra including a blocklist of slop words7 Sep 17:39The Decoder GPT-6 Astra beat Portal start to finish without human help in under 24 hours10 Sep 07:00openai.com Introducing ChatGPT for Financial Services10 Sep 13:45The Decoder GPT-6 Astra gives mathematicians a breather, and OpenAI says that's by design
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