Anthropic launched Claude Sonnet 5 with 1M context, 128k output, introductory pricing, and no Priority Tier.

The operational delta is long context and high output inside Sonnet, with Priority Tier unavailable.

It sits next to Sonnet 4.6 feature parity, except Priority Tier, so builders keep the same tool surfaces.

• 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.