New Delhi, Aug. 20 -- DeepSeek has announced V3.1, an upgrade to its large language model. The release took place on 19 August 2025 through the company's official WeChat group. Though the announcement was low-key, the AI community has been quick to react. Developers and researchers are calling it a step forward for open-source models.

The most notable improvement is the expanded context length. V3.1 can now handle 128,000 tokens in a single query. This matches the open-source version and allows the model to manage long conversations, technical documents, and retrieval-based tasks with better Accuracy. Enterprises see this as a strong feature for data-heavy workflows.

V3.1 also raises the parameter count to 685 billion, compared to 671 b...