Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.
Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.
No shared agent demos for these models yet.
No captured outputs for these models yet.
Based on the Capability Index, DeepSeek V4 Pro scores higher (81.6 vs 76.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.43 input / $0.87 output. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output.
DeepSeek V4 Pro has a larger context window: DeepSeek V4 Pro supports 1M tokens vs Gemini 3.1 Flash Lite at 1M tokens.
Gemini 3.1 Flash Lite supports vision/image input, but DeepSeek V4 Pro does not.
Key differences: only Gemini 3.1 Flash Lite 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 Gemini 3.1 Flash Lite for free on idapt.app to see which performs better for your specific needs.