Probing the unreleased DeepSeek Flash V4.1
This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.
So it's unofficially official.. DeepSeek Flash V4.1 is currently accessible on their api. Had some fun probing it.. results below. The exact model name is deepseek-v4.1-flash-expires-on-0910 Setup: plain POST https://api.deepseek.com/chat/completions , no special headers. HTTP 200. Key works. It's…
Read the full story at r/LocalLLM ↗
Timeline · 26 reports
- 2026-09-11 16:08 · DEV Community — Machine Learning
DeepSeek-V4.1-Flash: How a Causal Encoder-Decoder Architecture Cuts Agent Memory Costs by 75% - 2026-09-11 14:56 · r/huggingface
DeepSeek-V4.1-Flash: GGUF + 4.75bpw EXL3 are out, looking for devs with 4× DGX Sparks to help validate the EXL3 TP4 recipe - 2026-09-11 03:09 · Pandaily
Cambricon Day-0 Adapts DeepSeek-V4.1-Flash on vLLM Stack - 2026-09-10 23:45 · SiliconANGLE AI
DeepSeek releases V4.1-Flash, says it outperforms flagship V4-Pro - 2026-09-10 20:00 · r/LocalLLaMA
CPU Only Experimental Sloppy Deepseek V4.1 Flash - 2026-09-10 19:45 · r/LocalLLaMA
Livebench added Deepseek v4.1 flash - 2026-09-10 19:05 · r/LocalLLM
DeepSeek V4.1 Flash is 510 GB but only about 150 of it has to be in memory. I read the shard headers and made a fit checker. - 2026-09-10 16:05 · r/huggingface
DeepSeek V4.1 Flash is available in HuggingChat - 2026-09-10 16:05 · r/LocalLLaMA
DeepSeek V4.1 Flash is available in HuggingChat - 2026-09-10 11:23 · r/LocalLLaMA
Deepseek V4.1 Flash Release Video [Made with Deepseek V4.1 Flash] - 2026-09-10 10:01 · r/LocalLLaMA
guide to using reasoning_effort on deepseek v4.1 flash - 2026-09-10 08:37 · r/LocalLLaMA
DeepSeek-V4.1-Flash surprised .... - 2026-09-10 08:27 · r/LocalLLaMA
Deepseek V4.1 Flash is 748B, not 552B - 2026-09-10 07:56 · r/singularity
DeepSeek V4.1 Flash is getting surprisingly close to GPT-5.6 Sol territory, while being absurdly cheap - 2026-09-10 07:56 · r/Bard
DeepSeek just dropped V4.1 Flash, anyone tried it? - 2026-09-10 07:44 · TechNode
DeepSeek releases Harness 0.1.5 with V4.1 Flash support, file uploads and sidebar previews - 2026-09-10 07:31 · r/LocalLLM
DeepSeek V4.1 Flash in 3 charts: vs its predecessor, a top open-weight rival, and Claude Opus 5 - 2026-09-10 07:02 · r/LocalLLM
DeepSeek releases DeepSeek-V4.1-Flash! - 2026-09-10 07:00 · r/LocalLLaMA
Deepseek v4.1 flash finally has engrams, what do you expect from 4.1 pro? - 2026-09-10 06:54 · r/LocalLLaMA
DeepSeek V4-1 Flash is out - 2026-09-10 06:48 · r/singularity
DeepSeek v4.1 Flash Benchmarks - 2026-09-10 06:27 · r/LocalLLaMA
DeepSeek V4.1 Flash: Stronger, Faster, More Accessible - 2026-09-10 06:08 · r/LocalLLM
DeepSeek-V4.1-Flash is out - 2026-09-10 04:13 · r/LocalLLM
Deepseek V4 Flash 0731 - 2026-09-10 00:00 · TLDR AI
DeepSeek Flash v4.1 🤖, Siri AI 📱, Anthropic AI economics 📈 - 2026-09-08 17:17 · r/LocalLLM
Probing the unreleased DeepSeek Flash V4.1