Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partner

How-To How to actually use this

What changed: Anthropic released Sonnet 5.5, a mid-range model update offering faster response times and lower token costs.

How to use it:

1. Select "Claude 3.5 Sonnet" (latest version) in the model dropdown on the Anthropic Console or API.
2. Update your API calls to use the new model identifier string for automated workflows.
3. Run existing prompts to compare latency and token usage against the previous Sonnet version.
4. Adjust token budgets or rate limits in your application settings to match the improved efficiency.

Good for: developers optimizing API costs and latency