Claude Opus 4.8 lowers prompt caching’s minimum cacheable prompt length to 1,024 tokens versus Opus 4.7.

Smaller prompts now qualify for caching, reducing the prompt size needed before repeated Opus 4.8 calls can cache.

For builders using prompt caching, the cache threshold moved down on Opus 4.8, changing which prompts are eligible.

• 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.