Anthropic SDKs now support code_execution_20260120, with REPL state persistence and the minimum for programmatic tool calling.

Programmatic tool calling now has a required code execution version across the listed SDKs, without a beta header.

It sits across seven SDKs and selected Claude models, so adoption is a tool type change.

• Aug 05, 2026OpenAI removed model selection copy naming GPT-5.6 Sol, Terra, and Luna.
• Aug 05, 2026Anthropic removed model card copy for Claude Fable 5 and Claude Mythos 5.
• Aug 05, 2026Google pricing page removed Gemini model navigation and Interactions API availability note

This is the world we build in. It moves this fast. We move with it.