DeepSeek launches V4-Flash-0731 open-weight model

Released July 31, the 284B-parameter open-weight MoE model's official API is in public beta, with agent benchmark scores far surpassing V4-Pro-Preview. Together AI's DeepSWE runs show it costs $0.10 per rollout vs GPT-5.6 Luna's $0.61, delivering 80% of Luna's performance.
How this story unfolded
3 weeks · 11 reports · 58 community posts · 69 of 73 shown
- Jul 26
- Jul 31
- Aug 1
- Aug 2
- Aug 3
- Aug 4
- Aug 5
- Aug 6
- Aug 7
- Aug 8
- Aug 9
- Aug 10
- Aug 12
- Aug 13
- Aug 14
- Aug 16
- Aug 18
- Aug 19
DeepSeek by email
Get an email when DeepSeek has news
No news that day, no email.
More stories today
- Z.ai CEO Jie Tang: GLM 5.3 gains come from RL, not parameter count
- New tool adds 14 skills to Claude Code and Cursor for Markdown diagrams
- Tool turns Claude into a team of AI employees on your Mac
- GOP panics over Big Tech ties as Trump shifts on AI regulation
- Ethan Mollick: Claude's skill creator beats ChatGPT for reusable skills