Original DeepSeek V3 — the model that put DeepSeek on the map.
Google's high-speed thinking model for agentic workflows, chat, and coding.
No shared agent demos for these models yet.
No captured outputs for these models yet.
Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
DeepSeek V3 has a lower blended cost. DeepSeek V3: $0.20 input / $0.80 output. Gemini 3.5 Flash: $1.50 input / $9.00 output.
Gemini 3.5 Flash has a larger context window: DeepSeek V3 supports 128K tokens vs Gemini 3.5 Flash at 1M tokens.
Gemini 3.5 Flash supports vision/image input, but DeepSeek V3 does not.
Key differences: Gemini 3.5 Flash has a notably higher capability index (7.5 point gap); DeepSeek V3 is significantly cheaper; only Gemini 3.5 Flash supports vision input; only Gemini 3.5 Flash offers extended reasoning mode. 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 V3 and Gemini 3.5 Flash for free on idapt.app to see which performs better for your specific needs.