Open sourceOpen-source releaseEfficiency & Inference1 source · Oct 19, 2026

unslothai/unsloth v0.1.909-beta: DeepSeek-V4.1 & FLUX-3

DeepSeek-V4.1-Flash-1017 and FLUX.3 Image Klein are here!

Key points

  • Also new: images and videos in chat, multi-GPU training with FSDP2 (alpha) and one-command MCP setup for coding agents.
  • One-command MCP setup: unsloth mcp add connects Claude Code, Codex or Cursor to Unsloth.
  • Run DeepSeek-V4.1-Flash-1017, an update to DeepSeek-V4.1-Flash with better reasoning, coding and agentic results, and shorter outputs.
  • It runs on 24 GB of GPU memory, its GGUFs also run on computers without a supported GPU, and the undistilled Klein Base is available too.

Sources (1)

  • [1]unslothai/unsloth v0.1.909-beta: DeepSeek-V4.1 & FLUX-3
    GitHub: unslothai/unsloth · Oct 19, 04:21 PM
    DeepSeek-V4.1-Flash-1017 and FLUX.3 Image Klein are here!
    Also new: images and videos in chat, multi-GPU training with FSDP2 (alpha) and one-command MCP setup for coding agents.

Extractive summary: sentences quoted from the sources.

Before this

  1. Oct 19, 2026How good is FLUX.3 Klein at editing? A 12-task comparison that surprised me
  2. Oct 17, 2026deepseek-ai/DeepSeek-V4.1-Flash-1017
  3. Oct 16, 2026Welcome Beam: a 501B open model you can own, customize, and scale
  4. Oct 15, 2026unslothai/unsloth v0.1.908-beta: NVIDIA Nemotron 3.5 + Meta Muse Spark Open
  5. Oct 15, 2026FLUX.3 Image Klein just got weights published on hugging face
  6. Oct 15, 2026NVIDIA Nemotron 3.5 Super VL Powers Specialized Agents with Multimodal Reasoning

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