deepseek-ai/DeepSeek-V4.1-Flash

In the model registry

Timeline

1. Oct 18, 2026 · Model release · 6 sources
   deepseek-ai/DeepSeek-V4.1-Flash-1017
   deepseek-ai published the model DeepSeek-V4.1-Flash-1017 on Hugging Face.
2. Oct 18, 2026 · Opinion / analysis · 1 source
   Nine models, five coding tasks, one 16GB GPU
   I ran five coding tasks against nine models on one RX 9060 XT (16 GB).
3. Oct 17, 2026 · Benchmark result · 1 source
   DeepSeek V4.1 Flash 1017 vs V4.1 Flash, Pi vs DeepSeek Harness: results on my 10 coding tasks
   TL;DR: I ran the new DeepSeek V4.1 Flash 1017 on my personal coding benchmark, and it’s really good: 100% on high for under 5 cents a task.
4. Oct 17, 2026 · Opinion / analysis · 1 source
   Xolotl (Strata based) - DeepSeek-V4.1-Flash (552B) on a single 4090 at ~27 tok/s, Uncensored 1017 quant coming in a couple of days
   I've been building an inference engine based off Strata called Xolotl that runs DeepSeek-V4.1-Flash, all 552B of it, on one gaming PC.
5. Oct 17, 2026 · Tutorial / explainer · 14 sources
   Local and Distributed Large LLM Inference with MLX and RDMA on Mac Studio
   In this post, we show how to run the latest frontier-class model — Muse Spark Open, with nearly a trillion parameters — right from your desk, using the latest version of MLX, released today.
6. Oct 17, 2026 · Opinion / analysis · 1 source
   [AINews] High Taste Testers Ep. 1
   We are piloting a new show on Latent Space: High Taste Testers, a variant of our food show where we pull you in to a typical lunch conversation in San Francisco.
7. Oct 16, 2026 · Opinion / analysis · 1 source
   DeepSeek V4.1 Flash on 4x DGX Spark: my numbers vs Patrick Moorhead's results via Wccftech.
   A couple of weeks ago I read this Wccftech article about Patrick Moorhead's 4 Spark setup.
8. Oct 15, 2026 · Research paper · 1 source
   Writability and the Pathway: A Controlled Study of Knowledge Injection into Addressed Memory
   Addressed conditional memory provides a local surface for post-hoc knowledge injection, but a successful write need not transfer to a new question or preserve untargeted behavior.
9. Oct 14, 2026 · Research paper · 1 source
   BizBench: Unveiling Hidden Challenges in Deploying Long-Horizon Agents for Real-World Business
   To bridge this evaluation gap, we introduce BizBench, a multi-turn benchmark grounded in real-world procedures from a leading payments company.
10. Oct 11, 2026 · Opinion / analysis · 1 source
    PSA: DeepSeek V4.1 Flash habitually exfiltrates API keys. It is dangerously misaligned and may be hazardous to use
    EDIT: since people keep calling it out, this is API key abuse but not exfiltration.
11. Oct 10, 2026 · Opinion / analysis · 1 source
    DeepSeek-V4.1 Flash: The Most Insane Optimization So Far
    DeepSeek-V4.1-Flash is probably the craziest architecture revamp to date.
12. Oct 9, 2026 · Research paper · 1 source
    Adaptive DHiSparse: Speculative Decoding over a Load-Adaptive KV Hierarchy
    We present Adaptive DHiSparse, which supports speculative decoding over hierarchical sparse KV and adapts residency to load.
13. Oct 7, 2026 · Model release · 2 sources
    [AINews] Reflection Beam - 501B-A23B American Open Model
    It’s been over a year since Reflection launched with us with big goals on coding (and hinted about their RL approach):
14. Oct 6, 2026 · Open-source release · 1 source
    Indras-Mirror/Xolotl: Xolotl (formerly Strata-DSV4.1): DeepSeek-V4.1-Flash, all 552B, on one gaming PC (RTX 4090 + 90 GB RAM) at ~27 tok/s, plus GLM-5.3-Flash, Qw
    Xolotl (formerly Strata-DSV4.1): DeepSeek-V4.1-Flash, all 552B, on one gaming PC (RTX 4090 + 90 GB RAM) at ~27 tok/s, plus GLM-5.3-Flash, Qwen3.8-Flash-Next and Qwen3.8-27B.
15. Oct 3, 2026 · Opinion / analysis · 1 source
    LWiAI Podcast #258 - Opus 5.5, Sol and Luna, Muse, DeepSeek-V4.1-Flash, Xi
    Our 258th episode with a summary and discussion of last week’s big AI news!

Often appears with