August 12, 2025 News

Claude Sonnet 4 Expands Context Window to 1 Million Tokens for Enterprise Coding Applications

Anthropic has increased Claude Sonnet 4's context window to 1 million tokens (750,000 words), five times its previous limit and double OpenAI's GPT-5 capacity. This enhancement targets enterprise customers, particularly AI coding platforms, allowing the model to process entire codebases and perform better on long-duration autonomous coding tasks.