🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M context length.
🔹 DeepSeek-V4-Pro:总参数1.6万亿/激活参数490亿。性能与全球顶级闭源模型相媲美。
🔹 DeepSeek-V4-Flash:总参数2840亿/激活参数130亿。您的快速、高效且经济的选择。
Try it now at chat.deepseek.com via Expert Mode / Instant Mode. API is updated & available today!
📄 Tech Report: [https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro/blob/main/DeepSeek_V4.pdf](https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro/blob/main/DeepSeek_V4.pdf)
🤗 Open Weights: [https://huggingface.co/collections/deepseek-ai/deepseek-v4](https://huggingface.co/collections/deepseek-ai/deepseek-v4)
### DeepSeek-V4-Pro
🔹 增强的智能体能力:在智能体编码基准测试中达到开源SOTA水平。
🔹 丰富的世界知识:领先于所有当前开源模型,仅次于Gemini-3.1-Pro。
🔹 世界级推理能力:在数学/STEM/编程方面超越所有当前开源模型,与顶级闭源模型竞争。
### DeepSeek-V4-Flash
🔹 推理能力接近V4-Pro水平。
🔹 在简单的智能体任务中与V4-Pro表现相当。
🔹 Smaller parameter size, faster response times, and highly cost-effective API pricing.
### Structural Innovation & Ultra-High Context Efficiency
🔹 新型注意力机制:基于token的压缩+DSA(深度稀疏注意力)。
🔹 峰值效率:世界领先的长时间上下文处理,大幅降低计算和内存成本。
🔹 1M Standard: 1M context is now the default across all official DeepSeek services.
### Dedicated Optimizations for Agent Capabilities
🔹 DeepSeek-V4 is seamlessly integrated with leading AI agents like Claude Code, OpenClaw & OpenCode.
🔹 Already driving our in-house agentic coding at DeepSeek.
The figure below showcases a sample PDF generated by DeepSeek-V4-Pro.
### API is Available Today!
🔹 Keep base_url, just update model to deepseek-v4-pro or deepseek-v4-flash.
🔹 Supports OpenAI ChatCompletions & Anthropic APIs.
🔹 Both models support 1M context & dual modes (Thinking / Non-Thinking): [https://api-docs.deepseek.com/guides/thinking_mode](https://api-docs.deepseek.com/guides/thinking_mode)
⚠️ Note: deepseek-chat & deepseek-reasoner will be fully retired and inaccessible after Jul 24th, 2026, 15:59 (UTC Time). (Currently routing to deepseek-v4-flash non-thinking/thinking).
🔹 Amid recent attention, a quick reminder: please rely only on our official accounts for DeepSeek news. Statements from other channels do not reflect our views.
🔹 Thank you for your continued trust. We remain committed to longtermism, advancing steadily toward our ultimate goal of AGI.
原文链接:https://api-docs.deepseek.com/news/news260424
🕐 发布于: 2026年04月25日 18:03