Claude Opus 5

anthropic.com
July 24, 2026
13 min read
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47/100
Summary
Claude Opus 5 is now available and offers advanced capabilities at half the price of Claude Fable 5. It sets a new standard in coding and knowledge work evaluations while being the default model on Claude Max, although it lags behind Mythos 5 in cybersecurity tasks.
Key Takeaways
- Claude Opus 5 is now available and offers state-of-the-art performance on coding and knowledge work evaluations while being priced at half of Claude Fable 5.
- Opus 5 outperforms its predecessor, Opus 4.8, by more than doubling its performance on Frontier-Bench v0.1 and achieving superior results on various evaluations, including scientific research tasks.
- The model demonstrates enhanced capabilities in problem-solving and visual output generation, successfully completing complex tasks that previous models could not.
- Opus 5 is the new default model on Claude Max and the strongest model on Claude Pro, designed for efficient daily use.
Coverage & discussions
Hacker News Β· anthropic.com
Community discussions
Hacker News discussion β
Historical count: 5 Β· 5 saved in sample Β· Historical sample
Analysis ready
Community Sentiment
Positives
- Very impressive headline benchmark numbers β there's a buzz about this model potentially stepping up the game in AI performance.
- The focus on cost for performance is refreshing; it suggests a shift towards more accessible AI solutions.
Concerns
- The benchmark table feels manipulative, with suspiciously selective highlighting that raises eyebrows about the validity of the performance claims.
- There's concern that while the numbers look good, the classifiers might render the model unusable, putting a damper on the excitement.




