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

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

Claude AI adds privacy-first memory, extended reasoning, and education tools, challenging ChatGPT in enterprise and developer ...

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

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.

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

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 ...

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

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.

Anthropic, the Amazon-backed OpenAI rival, on Thursday launched its most powerful group of AI models yet: Claude 4. It stopped investing in chatbots at the end of last year and has instead focused ...