DeepSeek-V4-Pro-0813 · DeepSeek · Model History

Claims and evidence

Status AvailableServed in the DeepSeek API as deepseek-v4-pro on 2026-10-01; weights downloadable from Hugging Face. The V4.1-Flash news post announced that deepseek-v4-pro requests would route to V4.1-Flash from 2026-09-14, but the change log entry of the same day says the V4 Pro API continues after 2026-09-14, and the pricing page still lists DeepSeek-V4-Pro-0813. Primary source[4]Model Details: Model version [3]Date: 2026-09-10 [2]License

Change · Architecture Adds an attached DSpark speculative decoding module on top of the preview's model structure.Compared with DeepSeek-V4-Pro Primary source[2]Introduction
Change · Tool use Natively supports the OpenAI Responses API format, adapted for Codex with a one-click setup script.Compared with DeepSeek-V4-Pro Primary source[3]
Change · Other DeepSeek reports improved agent capabilities over the preview, especially in production environments.Compared with DeepSeek-V4-Pro Primary source[2]Introduction
Change · Other Released together with peak and off-peak API prices, with off-peak at half the peak rate, effective 2026-08-16 at 16:00 UTC.Compared with DeepSeek-V4-Pro Primary source[1]

Input textThe API lists vision as not supported for deepseek-v4-pro. Primary source[4]Model Details: Features, Vision not supported
Feature Reasoning modeReasoning effort levels low, high and max; thinking and non-thinking modes in the API. Primary source[1] [2]Chat Template [4]Model Details: Thinking mode
Feature Function calling Primary source[4]Model Details: Features, Tool Calls
Open weights YesWeights under the MIT License. Primary source[2]License
Context window 1M tokens Primary source[4]Model Details: Context length
Access API, consumer app, Open-weights download Primary source[1] [3]Date: 2026-08-13 [2]License

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AI Radar coverage starts in June 2026; no coverage linked yet.