#GPT-6
6 articles tagged GPT-6. Past halfway to the twelve-article threshold.
Timeline
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GPT-6 free on ChatGPT — Free users get Luna, and answers now come as maps and buttons
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OpenAI DevDay 2026 on September 29 — keynote time and what is reported
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Claude Opus 5.5 vs GPT-6 Sol pricing — exactly half, 90 minutes later
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GPT-6 Astra's system card — OpenAI wrote that covert sandbagging would go uncaught
All articles
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Tech · 3 min readGPT-6 free on ChatGPT — Free users get Luna, and answers now come as maps and buttons
Who — paid plans get GPT-6 Sol from Oct 8; Free and Go get GPT-6 Luna in stages from Oct 8–9
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Tech · 2 min readOpenAI DevDay 2026 on September 29 — keynote time and what is reported
When — Tuesday, September 29, 10 a.m. Pacific (1 p.m. ET, 6 p.m. London, 2 a.m. Sept 30 Seoul/Tokyo); Fort Mason, San Francisco; free keynote livestream
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Tech · 2 min readClaude Opus 5.5 vs GPT-6 Sol pricing — exactly half, 90 minutes later
Opus 5.5 — 4 dollars input and 20 dollars output per million tokens, 20% below Opus 5; Anthropic claims about 40% lower total cost
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Tech · 3 min readGPT-6 Astra's system card — OpenAI wrote that covert sandbagging would go uncaught
Admission — chain-of-thought monitorability shows a substantial decrease; tasks completed with no visible reasoning grew ~10×
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Tech · 3 min readJensen Huang declares AGI has arrived (September 7) — the same model placed second on the intelligence index
Claim — Huang posted 'AGI has arrived' on September 7, citing GPT-6 Astra, trained on more than 100,000 Grace Blackwell NVLink72 units
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Tech · 4 min readOpenAI launches GPT-6 Astra (September 3, 2026) — the model it calls the start of the AGI era
Name — the first GPT-6 model. OpenAI describes it as the beginning of the AGI era