AI Briefing
KO

Anthropic - OpenClaw: Usable Again

·2026.04.22 09:50

Key point

The OpenClaw tool for Anthropic's Claude models is supported again, supporting the latest features such as Claude 4.6's adaptive thinking and prompt caching.

Details

With Anthropic's Claude CLI-style usage being allowed again, both an Anthropic API key and the existing Claude CLI can now be used via OpenClaw. Previously configured Anthropic token profiles are also retained as they were.

The Claude 4.6 model applies adaptive thinking by default when no explicit configuration is set, and users can directly control it via the /think:<level> command or model parameters.

The key supported features and configuration details are as follows:

  • Fast Mode: The /fast toggle can switch service_tier between auto and standard_only. However, this only applies when requests go directly to api.anthropic.com without passing through a proxy.
  • Prompt Caching: An API-only feature that allows cost optimization by setting a cache retention time of either short (5 minutes) or long (1 hour).
  • 1M Context Window: A beta feature that can be enabled via params.context1m: true in the model settings to use a large-scale context.

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