AI BriefingAnthropicFeature Updates00:00
AI summarized from verified sources
Hand off heavier work to Claude more easily
Use high-end capability for demanding tasks at lower cost.
SOURCE CHECK
1 sources
Sources
Key Points
- 1Claims Fable 5.1-level performance
- 240% lower running cost
- 3Built for demanding workloads
On Sept. 22, Anthropic released Claude Opus 5.5. It says the model matches Claude Fable 5.1 on most work while costing 40% less to run. That makes it easier to use for demanding real-world tasks.