All promotions
GuidesMCP

DeepSeek

Chinese AI research company, based in Hangzhou, releasing open-weight language models.

Website ↗
Models1515 with open weights
Hosts35selling at least one at a verified price
Cheapest, per M$0.21DeepSeek V4 Flash 0423 at StreamLake, input + output
Deals now25free models, discounts, promotions

DeepSeek models 15

Newest first
ModelReleasedWeightsHostsCheapest hostInputOutput
DeepSeek V4.1 Flash 1017−51%Oct 2026Open · MIT22DeepInfra$0.098$0.29
DeepSeek V4.1 Flash−51%Sep 2026Open · MIT29Io Net$0.099$0.37
DeepSeek V4 Flash Vision Exp−51%Aug 2026Open · MIT7DeepInfra$0.22$0.65
DeepSeek V4 Flash 0423−50%Apr 2026Open · MIT12StreamLake$0.07$0.14
DeepSeek V4 Flash 0731−70%Apr 2026Open · MIT25Relace$0.07$0.14
DeepSeek V4 Pro 0423−45%Apr 2026Open · MIT15Relace$0.90$1.50
DeepSeek V4 Pro 0813−50%Apr 2026Open · MIT23Relace$0.50$2.00
DeepSeek V3.2−28%Sep 2025Open · MIT14GMICloud$0.21$0.31
DeepSeek V3.2 ExpSep 2025Open · MIT3AtlasCloud$0.13$0.20
DeepSeek V3.1 Terminus−40%Sep 2025Open · MIT4SiliconFlow$0.27$1.00
DeepSeek V3.1Aug 2025Open · MIT6DeepInfra$0.25$0.95
DeepSeek V3 0324Mar 2025Open · MIT4DeepInfra$0.24$0.90
DeepSeek R1Jan 2025Open · MIT4DeepInfra$0.50$2.15
DeepSeek Chat−10%Dec 2024Open · MIT2DeepInfra$0.32$0.89
DeepSeek V3−10%Dec 2024Open · MIT2DeepInfra$0.32$0.89

12 of 15 models · prices per million tokens at the cheapest host, read Oct 23, 09:51 UTC

Deals now

About DeepSeek

Founded
2023, Hangzhou, China2, 5, 6
Headquarters
Hangzhou, China1, 2
Founders
Liang Wenfeng (co-founder of hedge fund High-Flyer)2, 5
Led by
Liang Wenfeng (CEO)1, 7
First model
DeepSeek Coder and DeepSeek LLM, Nov 20238, 9
Weights
Open weights (MIT license for recent models)3, 4
Official API operated from
China (PRC)10, 11
Mission
"Dedicated to exploring the essence of AGI — driven by curiosity"12

DeepSeek was founded in 2023 by Liang Wenfeng, who had previously co-founded the quantitative hedge fund High-Flyer.2, 5, 6

It began as an AI research lab started by High-Flyer, separate from the fund's financial business, and was then spun off as an independent company.8, 13

The company is based in Hangzhou, China.1, 2

Its first models, DeepSeek Coder and DeepSeek LLM, were released in November 2023.8, 9

DeepSeek-V2, a Mixture-of-Experts language model, was published in May 2024.14

DeepSeek-V3, a Mixture-of-Experts model with 671 billion total parameters, was announced on 26 December 2024 and described in a technical report.15, 16

DeepSeek-R1 was released on 20 January 2025 with its code and models under the MIT License.3, 4

DeepSeek-V4 Preview, described as open-sourced, appeared on 24 April 2026, and DeepSeek-V4.1-Flash, which the company calls the smallest model in a new architecture family, followed on 10 September 2026.12, 17, 18

Weights of recent models, including DeepSeek-V4-Pro, are published under the MIT License.3, 4

The company's Research & News page describes it as dedicated to exploring the essence of AGI.12

The API platform is operated by Hangzhou DeepSeek Artificial Intelligence Co., Ltd., and the privacy policy says personal data is stored in the People's Republic of China.10, 11

As of October 2026, Liang Wenfeng is the company's CEO.1, 7

Official links

Sources

  1. DeepSeek mystery: who is speaking for start-up as CEO Liang Wenfeng remains out of sight? | South China Morning Post · scmp.com · read Oct 23
  2. DeepSeek reportedly raises $15B days after US restrictions | TechCrunch · techcrunch.com · read Oct 23
  3. deepseek-ai/DeepSeek-V4-Pro · Hugging Face · huggingface.co · read Oct 23
  4. DeepSeek-R1 Release | DeepSeek API Docs · api-docs.deepseek.com · read Oct 23
  5. Meet DeepSeek founder Liang Wenfeng, a hedge fund manager | Fortune · fortune.com · read Oct 23
  6. What’s DeepSeek, China’s AI startup sending shockwaves through global tech? | Technology | Al Jazeera · aljazeera.com · read Oct 23
  7. China's DeepSeek, peers launch 16 AI models in month despite Anthropic warning - Nikkei Asia · asia.nikkei.com · read Oct 23
  8. DeepSeek: Everything you need to know about the AI chatbot app | TechCrunch · techcrunch.com · read Oct 23
  9. DeepSeek 小传:制造了 AI 拐点的科技苦旅-36氪 · 36kr.com · read Oct 23
  10. DeepSeek Open Platform Terms of Service · cdn.deepseek.com · read Oct 23
  11. DeepSeek Privacy Policy · cdn.deepseek.com · read Oct 23
  12. DeepSeek | Research & News · deepseek.com · read Oct 23
  13. China’s AI disrupter DeepSeek bets on low-key team of ‘young geniuses’ to beat US giants | South China Morning Post · scmp.com · read Oct 23
  14. [2405.04434] DeepSeek-V2: A Strong, Economical, and Efficient Mixture-of-Experts Language Model · arxiv.org · read Oct 23
  15. DeepSeek | Introducing DeepSeek-V3 · deepseek.com · read Oct 23
  16. [2412.19437] DeepSeek-V3 Technical Report · arxiv.org · read Oct 23
  17. Change Log | DeepSeek API Docs · api-docs.deepseek.com · read Oct 23
  18. DeepSeek | Introducing DeepSeek-V4.1-Flash: smarter, faster, more efficient. · deepseek.com · read Oct 23

Every fact above links to its source and the date it was read; last checked Oct 23. Not affiliated with DeepSeek. Corrections or removal on request: contact.