Anthropic says Opus 5 is more token-efficient and smoother for coding tasks
alexalbert__ · x · 2026-07-25
Anthropic launch charts highlight Opus 5 as more token-efficient across domains while still pushing intelligence higher.
- Alex Albert says the team put a lot of work into making the model token-efficient across domains.
- He reports the model feels very smooth to use and says he prefers it over Fable 5 for many coding tasks.
- The attached charts show Opus 5 outperforming Opus 4.8 and, in some benchmarks, competing closely with or exceeding Fable 5 across effort levels.
The post is essentially a launch-day endorsement of Opus 5's quality, especially for coding and general model efficiency.
Related event: Anthropic Releases Claude Opus 5: SOTA Performance at Half the Price(128 posts)→
More from Models
- Same Echo Maze prompt, three frontier models: all passed visually but shipped the same hidden bug — eyishazyer · 2026-09-11
- Benchmark scores drop from 89% to 19% on new evals — how benchmaxxing breaks leaderboard trust — airesearch12 · 2026-09-11
- ChatGPT tells user their question is too hard and to 'accept dumber answers' — phido3000 · 2026-09-11
- Claude is no longer available for minors as Anthropic rolls out age assurance — Muhammad523 · 2026-09-11
- Developer Building a Unified Leaderboard of All Model Benchmark Scores — airesearch12 · 2026-09-11
- Rumor claims Kimi faked performance by serving Claude; DeepSeek new model surprises in evals — realsohamparekh · 2026-09-11