Anthropic Removes Claude Opus 4 and 4.1 From Model Selector and Claude Code — 1M Context Beta Retires April 30
Action required by April 30, 2026. If you have Claude Opus 4 or Opus 4.1 hardcoded anywhere — environment variables, Claude Code configurations, OpenClaw provider settings, API client code — you need to migrate. The clock is ticking. Anthropic has officially removed Claude Opus 4 and Opus 4.1 from the model selector and from Claude Code. In a separate but related change, the 1 million token context window beta for Claude Sonnet 4.5 and Sonnet 4 will be retired on April 30, 2026. ...