Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.
OpenAI's GPT-6.1 Sol served in pro reasoning mode for the hardest problems.
No shared demos for these models yet.
No captured outputs for these models yet.
Both DeepSeek V4 Pro and GPT 6.1 Sol Pro are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.21 input / $0.42 output. GPT 6.1 Sol Pro: $2.00 input / $10.00 output.
GPT 6.1 Sol Pro has a larger context window: DeepSeek V4 Pro supports 1M tokens vs GPT 6.1 Sol Pro at 1.1M tokens.
GPT 6.1 Sol Pro supports vision/image input, but DeepSeek V4 Pro does not.
Key differences: DeepSeek V4 Pro is significantly cheaper; only GPT 6.1 Sol Pro supports vision input. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both DeepSeek V4 Pro and GPT 6.1 Sol Pro for free on idapt.app to see which performs better for your specific needs.