Anthropic launched Claude Opus 5 with 1M context, 128k max output, and thinking on by default.

Same pricing matters: larger context, larger max output, and default thinking arrive without a listed price increase.

It lands across the Claude API and major cloud surfaces, so builders need to check behavior changes and migration guidance.

• Aug 22, 2026OpenAI model docs removed GPT-5.6 Sol, Terra, and Luna model guidance.
• Aug 22, 2026Anthropic released v1.0 of the Python SDK, moving its HTTP layer from httpx to httpx2.
• Aug 22, 2026Anthropic moved computer use out of beta on Claude API as `computer_toolset_20260801`.

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