Open-source AI models from China
| Model | API ID | Release | Cutoff | Conf. | Status | Notes |
|---|---|---|---|---|---|---|
| DeepSeek V4 Pro | deepseek-v4-pro |
2026-06 | 2025-06 | low | active | Flagship. 1M context. Thinking + non-thinking modes. $0.435/$0.87 per MTok input/output. |
| DeepSeek V4 Flash | deepseek-v4-flash |
2026-06 | 2025-06 | low | active | Fast variant. 1M context. deepseek-chat and deepseek-reasoner aliases deprecated 2026/07/24. $0.14/$0.28 per MTok. |
| DeepSeek-V3 | deepseek-ai/DeepSeek-V3 | 2024-12 | 2024-07 | medium | active | Legacy. 671B MoE / 37B active. MIT license. |
| DeepSeek-R1 | deepseek-ai/DeepSeek-R1 | 2025-01 | 2024-07 | medium | active | Legacy reasoning model. MIT license. |
| DeepSeek-R1-0528 | deepseek-ai/DeepSeek-R1-0528 | 2025-05 | 2024-07 | low | active | Updated R1 snapshot. |
Knowledge Cutoffs