Anthropic’s developers recently upgraded the AI model Claude Sonnet 4 to support up to 1 million tokens of context, thereby ...

Anthropic has upgraded Claude Sonnet 4 with a 1M token context window, competing with OpenAI's GPT-5 and Meta's Llama 4.

Anthropic's popular coding model just became a little more enticing for developers with a million token context window.

Anthropic upgrades Claude Sonnet 4 to a 1M token context window and adds memory, enabling full codebase analysis, long ...

Anthropic has expanded the capabilities of its Claude Sonnet 4 AI model to handle up to one million tokens of context, five ...

To account for the extra computing power required for large requests, Anthropic will increase the cost for Claude Sonnet 4 ...

Claude Sonnet 4 can now support up to one million tokens of context, marking a fivefold increase from the prior 200,000, ...

Anthropic’s Claude Sonnet 4 now supports a 1 million token context window, enabling AI to process entire codebases and complex documents in a single request—redefining software development and ...

Anthropic AI has increased the context window for their Claude Sonnet 4 model to 1 million tokens, which is 5 times more than ...

Anthropic has expanded Claude Sonnet 4’s context window to 1 million tokens, matching OpenAI’s GPT-4.1 and enhancing its ability to process large code bases and document sets in one request.

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.

Claude Sonnet 4 is the smaller model, but it's still a major upgrade in power from the earlier Sonnet 3.7. Anthropic claims Sonnet 4 is much better at following instructions and coding.