Claude 2.1

Closed

Claude 2.1 became available through Anthropic’s API and Claude.ai on November 21, 2023. The announcement states a 200,000-token context window and introduces tool use as a beta feature. The model’s availability and the tool feature’s beta status are distinct; current service status and exact snapshots remain unqualified.

Benchmark scores

No published benchmark scores checked yet.

Access

Anthropic announced API and Claude.ai availability on November 21, 2023. It advertised a 200,000-token context window, while reserving that chat window for Claude Pro users. Tool use was a separate beta feature. No formal global GA, open-weight date, exact checkpoint or current retirement status was qualified.