DeepSeek-V4-Flash is an AI model released by DeepSeek on Apr 24 2026, 0 days after DeepSeek-V4-Pro. It is the 20th tracked release from DeepSeek out of 20 total. It is an open-source / open-weight model.
On published benchmarks, it scores 88.1% on GPQA Diamond (graduate-level science reasoning).
About DeepSeek: Chinese AI lab known for efficient, open-weight models. Gained attention for strong performance at lower cost.