DeepSeek releases V4.1 Flash AI model with high performance and low cost
The new multimodal Mixture-of-Experts model features a 1M-token context window and claims to outperform Kimi K3 while costing significantly less than competitors.
Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made
First reported by Hacker News, 1h 19m ahead of the next publisher · who breaks stories first
This story has stopped developing; this page is its permanent record. More from that day
The odds
Each tick is a source publishing on this story
Price data
| Time | Chance of yes |
|---|---|
| now | 100% |
| 12 Sept, 18:39 UTC | 100% |
| 9 Sept, 09:14 UTC | 97% |
Replay the odds, article by article
Step through each article in the order it published and watch Next DeepSeek Flash released by September 30, 2026? respond.
The story so far
5 publishers have covered this in 6 articles since 10 Sept 2026. Hacker News published first, on 10 September at 06:11 UTC; marktechpost.com followed 1h 20m later. The most recent article, from www.theregister.com, appeared on 11 September at 07:15 UTC.
Outlets reporting it: Hacker News, marktechpost.com, South China Morning Post, decrypt.co, www.theregister.com.
3 prediction markets price this story:
- Next DeepSeek Flash released by September 30, 2026? — resolved “Yes” on 12 Sept 2026.
- Will DeepSeek have the best AI model at the end of September 2026? — resolved “No” on 1 Oct 2026.
- Will DeepSeek have the best AI model at the end of December 2026? — the market puts it at 1%, with $15k traded in the last 24 hours, closing 31 Dec 2026. The market resolves by checking the Chatbot Arena LLM Leaderboard at 12:00 PM ET on December 31, 2026. The 'Yes' outcome occurs if DeepSeek owns the model with the highest rank; otherwise, the outcome is 'No'. Readers often mistake the release of Huawei chip tools for a change in model ranking, but only the leaderboard data determines the result.
Odds are the market's probability that the outcome happens, updated every few minutes. They are information about what traders expect, not a forecast we make and not investment advice.
How it unfolded
Every source in the order it published, with the odds on Next DeepSeek Flash released by September 30, 2026? at that moment. A dash means the source published before we started tracking prices.
- Hacker NewsDeepSeek v4.1 Flash97%
- marktechpost.comDeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reuse97%
- South China Morning PostDeepSeek says new Flash AI model beats Kimi K3 on cyber, coding benchmarks97%
- decrypt.coDeepSeek's New Model Nearly Matches GPT-6 Astra on Design—at 1.4% of the Cost97%
- Hacker NewsDeepSeek v4.1 Flash Uncensored97%
- www.theregister.comDeepSeek's new model sets a template for powerful LLMs that run lean97%
- Market resolved: Yes
Sources
Every article we clustered into this story. Headlines link to the publisher.
- DeepSeek's new model sets a template for powerful LLMs that run lean www.theregister.com
- DeepSeek's New Model Nearly Matches GPT-6 Astra on Design—at 1.4% of the Cost decrypt.co
- DeepSeek says new Flash AI model beats Kimi K3 on cyber, coding benchmarks South China Morning Post
- DeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reuse marktechpost.com
- DeepSeek v4.1 Flash Uncensored Hacker News
- DeepSeek v4.1 Flash Hacker News
Related prediction markets
Linked by software because they are about the same subject. Most ask a different question from the one this story reports, so read each market's own question. How often the link is right
- Resolved Next DeepSeek Flash released by September 30, 2026? Yes 43d ago
The market favoured Yes at 97% a day out, and it won. How often it's right
Wrong market?
- Resolved Will DeepSeek have the best AI model at the end of September 2026? No 24d ago
Wrong market?
- Polymarket Will DeepSeek have the best AI model at the end of December 2026? 1%
Does the market have this right?
Wrong market?
In this story
- DeepSeek
- GPT-6 Astra
- Kimi K3