Delphin Resource
DeepSeek V4 Open Source Model
DeepSeek V4 open-source model guide covering open weights, MIT license, Pro and Flash variants, self-hosting considerations, and deployment tradeoffs.
DeepSeek V4's open-weight release is the main reason it belongs in model selection conversations even when closed hosted models score higher on a particular benchmark.
What changed in DeepSeek V4 Preview
DeepSeek V4 Preview is live as two open-weight text models: DeepSeek-V4-Pro and DeepSeek-V4-Flash. The official model cards describe a one million token context window, MoE architecture, and three reasoning effort modes for the instruct models.
Open weights change the economics and governance story. Teams can evaluate local inference, private deployment, fine-tuning experiments, and cost control instead of treating the model only as a hosted API.
- Open weights published on Hugging Face
- MIT license listed on the model card
- Pro for flagship quality, Flash for efficiency
- Deployment requires serious serving and evaluation work
How to read the benchmark story
Treat the V4 numbers as a preview benchmark map, not a final product verdict. DeepSeek reports strong gains in knowledge, coding, reasoning, long context, and agentic tasks, while independent third-party testing will matter as developers run the model in real workflows.
The cleanest comparison is per task. V4-Pro-Max is the headline reasoning mode, V4-Flash is the efficiency story, and V4-Pro is the flagship balance between quality and deployment cost.
What this means for Delphin users
Delphin already uses a DeepSeek-style prompt structure across video, image, and chat workflows. The V4 Preview release means the DeepSeek text layer is no longer speculative, but native multimodal and video generation are still separate from the public V4 text release.
For now, use these pages to track model news, benchmark signals, and model comparisons while production video remains powered by the active Delphin video models.
Practical takeaway
Use DeepSeek V4 pages for research, prompt planning, coding, agentic task evaluation, and model selection. Use the generation canvas for live video and image output.
FAQ
What is the key point for DeepSeek V4 open source model?
The key point is that DeepSeek V4 Preview is now available as Pro and Flash text models, with open weights and a one million token context window. Video and full multimodal support should still be treated as pending until DeepSeek documents it officially.
Is DeepSeek V4 open source?
The V4 model cards publish open weights under the MIT license. As always, production users should review the exact model card, license, and deployment requirements before shipping a commercial integration.
Which DeepSeek V4 model should I track first?
Track V4-Pro-Max for maximum benchmark performance, V4-Pro for flagship quality, and V4-Flash for lower-cost, faster, high-context workloads.