Claims and evidence
- Released The change log dates the upgrade of deepseek-chat to 2025-03-24 (the Hugging Face repository was also created that day); both news pages are dated 2025-03-25.Other sources give: [3]news sidebar: DeepSeek-V3-0324 Release 2025/03/25 [4]page date Date of the release announcement in the API docs news and on deepseek.com. Primary source[2]Date: 2025-03-24
- Status AvailableWeights are still public on Hugging Face. In the DeepSeek API, deepseek-chat moved to DeepSeek-V3.1 on 2025-08-21. Primary source[1] [2]Date: 2025-08-21
- Replaced by DeepSeek-V3.1In the DeepSeek API only: deepseek-chat was upgraded to DeepSeek-V3.1 (non-thinking mode). The weights stay available. Primary source[2]Date: 2025-08-21
- Revision of DeepSeek-V3The model card lists improvements over its predecessor DeepSeek-V3 and says the model structure is exactly the same. Primary source[1]Features; How to Run Locally [3] [2]Date: 2025-03-24
- Change · Licensing Weights released under the MIT License instead of the DeepSeek Model License used for DeepSeek-V3.Compared with DeepSeek-V3 Primary source[3] [5]7. License
- Change · Reasoning Improved reasoning, according to DeepSeek, with the model structure unchanged.Compared with DeepSeek-V3 Primary source[1]
- Change · Tool use More accurate function calling, which DeepSeek says fixes issues of earlier V3 versions.Compared with DeepSeek-V3 Primary source[1]Function Calling Improvements
- Change · Other Better front-end web code and Chinese writing aligned with the DeepSeek-R1 style, according to DeepSeek.Compared with DeepSeek-V3 Primary source[1]
- Feature Function calling Primary source[1]Function Calling Improvements; How to Run Locally
- Open weights YesMIT License. Primary source[1]License [3]
- Access consumer app, API, Open-weights downloadThe announcement recommends it in the DeepSeek chat with DeepThink turned off. Primary source[3] [2]Date: 2025-03-24
Lineage
Predecessors
No known predecessor.
Successors
- DeepSeek-V3.1 · 21 August 2025
Based on
- DeepSeek-V3 · 26 December 2024 · revision
Variants and derived
None recorded.
Siblings
- DeepSeek-V3-Base · inline variant of DeepSeek-V3
All ancestors
- DeepSeek LLM · 29 November 2023
- DeepSeek-V2 · 6 May 2024
- DeepSeek-V2-Chat-0628 · 28 June 2024
- DeepSeek-V2.5 · 5 September 2024
- DeepSeek-V2.5-1210 · 10 December 2024
- DeepSeek-V3 · 26 December 2024
All descendants
- DeepSeek-V3.1 · 21 August 2025
- DeepSeek-V3.1-Terminus · 22 September 2025
- DeepSeek-V3.2-Exp · 29 September 2025
- DeepSeek-V3.2 · 1 December 2025
- DeepSeek-V3.2-Speciale · 1 December 2025
- DeepSeek-V4-Flash · 24 April 2026
- DeepSeek-V4-Pro · 24 April 2026
- DeepSeek-V4-Flash-0731 · 31 July 2026
- DeepSeek-V4-Pro-0813 · 13 August 2026
- DeepSeek-V4-Flash-Vision-Exp · 21 August 2026
- DeepSeek-V4.1-Flash · 10 September 2026
Variants
No variants recorded in this record.
Related AI Radar coverage
AI Radar coverage starts in June 2026; no coverage linked yet.