Anthropic raised Message Batches API max_tokens to 300k for Claude Opus 4.6 and Sonnet 4.6.

Batch jobs now produce longer single-turn outputs for long-form content, structured data, and large code generation tasks.

It sits next to Sonnet 1M context beta retirement, so extended input and extended batch output are separate knobs.

• Jul 18, 2026Anthropic model card shows no readable text change in this diff.
• Jul 18, 2026Anthropic pricing page removed the Claude plan recommendation questionnaire content.
• Jul 18, 2026ChatGPT scheduled tasks gained a sidebar page for viewing, managing, and editing active tasks.

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