TEXT MODEL · Aug 21, 2025

DeepSeek-V3.1

By DeepSeek 深度求索

Access & availability

Outside China: Open weights · verified Nov 2, 2026 · Evidence
Open weights: Yes · verified Nov 2, 2026 · Evidence
License: MIT · verified Nov 2, 2026 · Evidence
Hugging Face: deepseek-ai/DeepSeek-V3.1 · verified Nov 2, 2026 · Evidence

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DeepSeek-V3.1 by DeepSeek: released Aug 21, 2025; 671B total, 37B active parameters; 128K-token context; open weights under MIT.

Specifications

Released: Aug 21, 2025 · verified Sep 29, 2026 · Evidence
Claim status: Company-reported · verified Sep 29, 2026 · Evidence
Parameters: 671B total, 37B active · verified Sep 29, 2026 · Evidence
Context window: 131,072 tokens · verified Sep 29, 2026 · Evidence
List price: Not verified yet

Release timeline

No verified events for this model yet.