Sam's News — ai — 2026-07-26¶
TL;DR¶
AI¶
Anthropic launches Claude Opus 5, achieves top AI benchmark performance at lower cost¶
Anthropic launched Claude Opus 5, claiming top-tier benchmark performance at roughly half the cost of rival frontier models.
- Priced at $5/M input and $25/M output tokens, unchanged from Opus 4.8
- More than doubled Opus 4.8's score on Frontier-Bench v0.1 software engineering tasks
- Scores 3x higher than next-best rival on ARC-AGI 3
- Beats Fable 5 on OSWorld 2.0 at one-third the cost
- 1M-token context window, May 2026 knowledge cutoff, tops Artificial Analysis Index at 61 points
Sources: Interesting Engineering Research, The Decoder Research, MLQ.ai RSS, TestingCatalog AI News RSS, 조선일보 RSS, PCMag RSS