ImprovementModels ·
Claude 4.6 Sonnet
Try in the builder
Create an agent or open an existing agent in the builder, then follow the steps below. Model and feature availability may depend on your plan.
What it does
Anthropic's balanced Sonnet joined the selector — general-purpose work, content, and long chat sessions, at a fraction of what Opus costs.
Before this
An addition to the selector.
Why it matters
It holds coherence across a long conversation better than the Sonnet before it, which is what most agents are doing all day.
The specs
Anthropic's general-purpose model, sitting between Haiku's speed and Opus's depth.
- Context
- 999,000 tokens in, up to 64,000 out.
- Input
- Text and images.
- Actions
- Supported.
- Reasoning
- Supported.