Anthropic Java SDK v2.66.0 adds Claude Sonnet 5.5 and between_tools thinking
Anthropic released anthropic-sdk-java v2.66.0, adding API support for the claude-sonnet-5-5 model and a between_tools thinking type. The release also makes cache diagnostics generally available on Message and MessageCreateParams, adds typed event values to the Managed Agents events list filter, and deprecates the betas parameter on GA models and completions methods.
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