Open-Weight Foundation Milestone
DeepSeek V4-Pro Weights represents the anticipated open-source release of DeepSeek’s high-efficiency Mixture-of-Experts architecture for global researchers and commercial developers.
Architectural Enhancements
Featuring refined Multi-head Latent Attention (MLA) and enhanced sparse routing, V4-Pro offers near-frontier reasoning performance with drastically reduced memory footprints during inference.
Availability Horizon
Expected in the fourth quarter of 2026 (2026-Q4) following initial cloud evaluation phases, verified via authenticated GitHub repository preparations.
Latest documented updates
Open weight packaging in preparation for wider developer community release.
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Release timeline
Open-weight milestone anticipated following initial API serving benchmark evaluations.
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Sources & verification
These sources support the historical milestone. Verification of an announcement does not imply current product availability.
- DeepSeek open-source repositories and model cards Official source
