DeepSeek
3 entries between January 2025 and July 2026, 1 turning point, 6 releases.
Turning points
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Nvidia loses $589 billion in a day after DeepSeek’s R1
Investors sold AI-linked technology stocks on 27 January 2025 after DeepSeek’s R1 raised doubts about future demand for high-end AI chips. Nvidia fell about 17 percent and shed roughly $589 billion in market value in one session. The Nasdaq Composite fell more than 3 percent.
Every entry
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DeepSeek releases V4-Flash for general availability
DeepSeek made deepseek-v4-flash generally available on 31 July 2026, reporting that it substantially exceeded the V4-Pro-Preview across nine agent benchmarks on the same architecture, with the gains from further post-training. Pricing held at $0.14 and $0.28 per million tokens.
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Nvidia loses $589 billion in a day after DeepSeek’s R1
Investors sold AI-linked technology stocks on 27 January 2025 after DeepSeek’s R1 raised doubts about future demand for high-end AI chips. Nvidia fell about 17 percent and shed roughly $589 billion in market value in one session. The Nasdaq Composite fell more than 3 percent.
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DeepSeek releases R1, an open-weight reasoning model
The Chinese laboratory DeepSeek released R1 on 20 January 2025, an open-weight model trained with reinforcement learning to work through problems step by step. It matched OpenAI’s o1 on several benchmarks at a small fraction of the reported training and inference cost.
Releases
| Date | Release | Maker | Family | Kind | What it was |
|---|---|---|---|---|---|
| 2026 | |||||
| DeepSeek-V4.1-Flash | DeepSeek | DeepSeek | open-weights | Smallest model in DeepSeek’s new architecture family, with native multimodal support; live on the DeepSeek API, weights on Hugging Face under MIT. | |
| DeepSeek V4-Pro | DeepSeek | DeepSeek | model, open weights | Official release of the larger V4 tier, 1.6 trillion parameters per the April preview. | |
| DeepSeek V4-Flash (GA) | DeepSeek | DeepSeek | model, open weights | General release; agent benchmarks reported to beat the V4-Pro-Preview. | |
| DeepSeek-V4 (Pro / Flash) | DeepSeek | DeepSeek | open-weights | Mixture-of-experts models with 1M-token context, MIT license, weights on Hugging Face. | |
| 2025 | |||||
| DeepSeek-R1 | DeepSeek | DeepSeek | open-weights | Open-weight reasoning model matching OpenAI o1 on several benchmarks at far lower reported cost. | |
| 2024 | |||||
| DeepSeek-V3 | DeepSeek | DeepSeek | open-weights | 671B-parameter mixture-of-experts model; open weights published with a technical report. | |