You can now feed Claude Sonnet 4 entire codebases at once

Following OpenAI’s big week filled with open models and GPT-5, Anthropic is on a streak of its own with AI announcements.

Bigger prompts, bigger possibilities

The company today revealed that Claude Sonnet 4 now supports up to 1 million tokens of context in the Anthropic API — a five-fold increase over the previous limit.

This expanded “long context” capability allows developers to feed far larger datasets into Claude in a single request. Anthropic says the 1M-token…