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Back to No.001 GPT-6 Astra in Practice: Tests, Use Cases, and FeedbackUpdated 6 hours ago
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GPT-6 Astra solves the last FrontierMath Tier 4 problem

Epoch's Tier 4 benchmark started at a 5% top score in July 2025, and GPT-6 Astra has now solved the final remaining problem, saturating the tier.

Andrew Curran
@AndrewCurran_Archived 2026.09.14Originally posted 2026.09.11
GPT-6 Astra solves the last FrontierMath Tier 4 problem
Andrew Curran @AndrewCurran_Originally posted 2026.09.11
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When Epoch launched FM Tier 4 on July 11th, 2025, the top score was 5%. GPT-6 Astra has now solved the last problem standing. FrontierMath Tier 4 is saturated.

This post quotes another post: x.com/epochairesearch/status/2098103831502708864

x.com/andrewcurran_/status/2098132654109732917Archived 2026.09.14 15:41
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