DeepSeek
DeepSeek is an AI research company based in Hangzhou, China. Its founder is Liang Wenfeng. The company develops language models and publishes systems software for AI training and inference.
Models & tools
- DeepSeek V4.1 Flash
DeepSeek · DeepSeek V4.1
Multimodal mixture-of-experts model with a causal encoder-decoder design and separate computation budgets for reading input and generating text.
Launch date API · Downloadable - DeepSeek V4 Pro
DeepSeek · DeepSeek V4
Large text reasoning model with sparse attention, adjustable thinking effort and a separate general-availability release for agent tasks.
Launch date API · Downloadable - DeepSeek R1-0528
DeepSeek · DeepSeek R1
Updated full-size R1 reasoning model with more post-training computation, deeper reasoning and revised prompt handling.
Launch date Downloadable - DeepSeek OCR 2
DeepSeek · DeepSeek OCR
Document recognition model that reorders visual tokens to follow page structure before it extracts text and layout.
Launch date January 2026Downloadable - DeepSeek R1-0528 Qwen3 8B
DeepSeek · DeepSeek R1
Dense reasoning model trained from Qwen3-8B-Base using reasoning examples generated by the larger R1-0528 model.
Launch date May 2025Downloadable - Janus Pro 1B
DeepSeek · Janus Pro
Compact Janus Pro model that pairs a SigLIP image encoder with a separate tokenizer for image generation.
Launch date Research releaseDownloadable - Janus Pro 7B
DeepSeek · Janus Pro
The larger Janus Pro model combines image understanding and image generation through separate visual encoders and a shared language model.
Launch date Research releaseDownloadable - DeepSeek R1
DeepSeek · DeepSeek R1
Reasoning language model that combines supervised examples and reinforcement learning on a large mixture-of-experts foundation.
Launch date Downloadable - DeepSeek R1-Zero
DeepSeek · DeepSeek R1
Research reasoning model trained with reinforcement learning directly from a pretrained base, without an initial supervised fine-tuning stage.
Launch date Research releaseDownloadable - JanusFlow 1.3B
DeepSeek · JanusFlow
Multimodal research model that combines autoregressive text generation with rectified flow to create images at 384 by 384 pixels.
Launch date Research releaseDownloadable - Janus 1.3B
DeepSeek · Janus
Original Janus model with separate image encoding paths; its early release required a tokenizer correction for classifier-free guidance.
Launch date October 2024Research releaseDownloadable