Deepseek V4.1 Flash 1017 TL5

DeepSeek V4.1 Flash 1017 is DeepSeek's open-weight vision-language Mixture-of-Experts model for complex reasoning, software engineering, and multimodal agent workflows. It retains 552B backbone parameters, with 8B active during input processing and 16B during text generation, plus a 1M-token context window. The model accepts text and images, generates text, and supports tool calling for multi-step tasks. Its October 2026 update improves end-to-end project development, including web applications, games, and code-driven 3D scenes, using reinforcement learning with self-feedback. DeepSeek reports a Terminal-Bench 4.0 improvement from 31.2 to 42.3, alongside faster task completion and shorter outputs. The model weights are released under the MIT license.

INPUT

Chat templates

System Prompt:

Reasoning Effort

Top K

Top P

Temperature

Maximum response length in tokens

Progress

Console Output

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