OpenAI's GPT-6.1 Sol served in pro reasoning mode for the hardest problems.
The GA release of DeepSeek's efficiency-optimized V4 Flash, re-post-trained for coding, reasoning, and agent workflows.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 6.1 Sol Pro and DeepSeek V4 Flash (0731) 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 Flash (0731) has a lower blended cost. GPT 6.1 Sol Pro: $2.00 input / $10.00 output. DeepSeek V4 Flash (0731): $0.01 input / $1.28 output.
GPT 6.1 Sol Pro has a larger context window: GPT 6.1 Sol Pro supports 1.1M tokens vs DeepSeek V4 Flash (0731) at 1M tokens.
GPT 6.1 Sol Pro supports vision/image input, but DeepSeek V4 Flash (0731) does not.
Key differences: DeepSeek V4 Flash (0731) 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 GPT 6.1 Sol Pro and DeepSeek V4 Flash (0731) for free on idapt.app to see which performs better for your specific needs.