Anthropic Moves Agent SDK and Claude Code Headless Usage to a Separate Metered Credit Pool June 15

Summary

Starting June 15, 2026, Anthropic separates programmatic Claude usage from subscription limits. Claude Agent SDK and `claude -p` (headless) usage will no longer count against a plan's interactive usage limits; instead it draws from a dedicated, dollar-denominated monthly credit billed at full standard API list price. The credit allowances are $20/month on Pro, $100/month on Max 5x, and $200/month on Max 20x, and they do not roll over. Interactive Claude Code terminal use and web chat remain on t