GPT-4o starts at $20/mo; DeepSeek V3 is free. GPT-4o is rated higher at 4.7/5 vs DeepSeek V3's 4.4/5.


GPT-4o uniquely offers Multimodal (text/image/audio), Vision, Web browsing. DeepSeek V3 uniquely offers Open weights, Multi-language, Math reasoning. Both share 8 features including Function calling, 128K context window, JSON mode.
Independent analysis based on features, pricing, and user ratings
GPT-4o starts at $20/mo; DeepSeek V3 is free.