Unverified50% confidenceBenchmarkExact time
Epoch AI has announced that all problems in Frontier Math Tier 4 have been solved by AI, with GPT-6 Astra solving the last unsolved problem.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/16/2026
First Seen
Valid until: 12/15/2026
Sources
Related Entities
Related Claims
UnverifiedOpus 5在AI Omniscience测试拿了31分，避免瞎编的能力优于Opus 4.865% similarUnverifiedFable 5 dominated Opus 4.8 in nearly every dimension across three highly demanding coding projects60% similarUnverifiedThe plans generated by Fable 5 during the planning phase are more than twice as long as those of the Opus 4.8 version, but testers considered them inferior to the Opus 4.8 version in terms of structure and readability.58% similarUnverifiedArtificial Analysis gave Qwen 3.8 an intelligence index of 52, tying GPT at the full reasoning tier at 5.6, with an agent score of 51, higher than Claude Opus 4.8.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/927516API
curl https://kongchang.com/api/v1/knowledge/claims/927516MCP
get_claim(id=927516)