Anthropic retired the 1M context beta for Claude Sonnet 4.5 and Claude Sonnet 4.

Old Sonnet long-context calls now error past 200k tokens unless moved to Sonnet 4.6 or Opus 4.6.

The 1M window moved from beta header on older Sonnet models to generally available access on Sonnet 4.6 and Opus 4.6.

• Jul 10, 2026OpenAI is deprecating Atlas as browser-based agentic capabilities move into ChatGPT and Codex.
• Jul 10, 2026Google removed Gemini Developer API pricing content from the monitored pricing page.
• Jul 09, 2026OpenAI model card page removed its captured API docs navigation content

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