DeepSeek releases V4.1-Flash with new YOCO decoder-decoder architecture

DeepSeek's V4.1-Flash carries 552B total parameters but activates only 8B per prompt, with native image input and up to a 1M-token context window. OpenDesign Arena scored it 81.2/100 on design tasks — 98% of GPT-6 Astra's 82.7 — at $0.023 per finished design versus Astra's $1.61.
How this story unfolded
5 days · 10 reports · 39 community posts · 49 of 51 shown
- Sep 8
- Sep 9
- Sep 10
DeepSeek formally launches V4.1 Flash, routes V4 Pro requests to Flashtechnode.com
DeepSeek V4.1 Flash now available on AI Gatewayvercel.com
DeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reusemarktechpost.com
DeepSeek’s New Low-Cost Model Deals a Fresh Blow to OpenAI, Z.aibloomberg.com
deepseek-ai/DeepSeek-V4.1-Flash · Hugging Facehuggingface.co
DeepSeek's New Model Nearly Matches GPT-6 Astra on Design—at 1.4% of the Costdecrypt.co
- Sep 11
- Sep 12
- Sep 13
More stories today
Reddit user runs Claude Computer Use on a second device
A r/ClaudeAI user says running Claude's 'Enable Computer Use' on a separate machine, rather than their main system, made the feature more useful and removed discomfort over handing over full control.
r/ClaudeAI·1 hour agoReddit user tests Astra as an autonomous movie director
A user on r/ChatGPT reports letting Astra direct a film, saying it handles prompt input, reference creation, and building its own interface and tracking tools. The user says the process still needs refinement.
r/ChatGPT·1 hour ago
Tutorial builds hierarchical NeRF with JAX3D for 3D reconstruction
MarkTechPost walkthrough implements an end-to-end hierarchical Neural Radiance Field using JAX, Flax, Optax and jax3d's volume-rendering primitives. It starts from a synthetic multi-view dataset of an analytic scene with volumetric geometry and view-dependent radiance.
MarkTechPost·1 hour ago

TechCrunch Equity debates AI doomer warnings after Anthropic resignation
Anthropic alignment lead said the chance AI kills all humans is ">10% within the next decade"; researcher Jacob Coxon resigned from Anthropic over leading labs "gambling with our lives." Equity hosts questioned whether the warnings are a flex ahead of Anthropic's IPO S-1 filing.
TechCrunch·1 hour ago

Researcher cites years of academic work debunking AI claims
Emily M. Bender·1 hour agoChatGPT's Astra pulls months-old context into user's game project
A Reddit user building a top-down dog game said Astra added both of their real dogs' names and breeds to a generated list of 30+ dogs, drawing on conversations from months earlier. The user described the behavior as "thoughtful" and asked whether others had seen similar cross-session recall.
r/ChatGPT·1 hour agoAurora1.0-150M released, matching GPT2-Small
AuroraAI-Research's first 150M-parameter model was trained on 7B tokens using an RTX Pro. Benchmarks: PIQA 62.24%, HellaSwag 32.20%, ARC-Easy 44.91%, ARC-Challenge 25.00%, Arithmark 3.0 33.90%, CapitalBench 36.55%.
r/LocalLLaMA·2 hours ago
ChatGPT adds ability to save temporary chats
Reddit users report ChatGPT now lets users save temporary chats, a feature previously unavailable for ephemeral conversations.
r/ChatGPT·3 hours ago