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

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

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

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

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

Anthropic’s latest move to expand the context window, now in public beta, might encourage Google Gemini users to give it ...

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.

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.

Dan Shipper in Vibe Check Was this newsletter forwarded to you? Sign up to get it in your inbox. Today, Anthropic is releasing a version of Claude Sonnet 4 that has a 1-million token context window.

What's New: Tier 4 Anthropic API users are getting access to an extended 1M context window.

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

Claude Sonnet 4 has been upgraded, and it can now remember up to 1 million tokens of context, but only when it's used via API ...