AI★★★★Simon Willison · 2026-07-24
Claude Opus 5 Released: Leading Performance at Affordable Price
Anthropic's newly released Claude Opus 5 model has garnered positive attention, described as nearly matching the intelligence of Claude Fable 5 but at half the price.
📌 Key points
- Claude Opus 5 leads the Artificial Analysis leaderboard ahead of models includin
- It is priced the same as Opus 4.8 and offers a 'fast mode' as an advanced option
- The model is described as 'thoughtful and proactive', positioning it as a high-v
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