DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass. Fully open-source model & [technical report](h…
Model details →DeepSeek: R1 vs Google: Gemini 3 Pro Preview
DeepSeek: R1 and Google: Gemini 3 Pro Preview are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Gemini 3 Pro is Google’s flagship frontier model for high-precision multimodal reasoning, combining strong performance across text, image, video, audio, and code with a 1M-token context window. Reasoning Details must be preserved when using…
Model details →Side-by-side comparison
| Capability | DeepSeek: R1 | Google: Gemini 3 Pro Preview | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 64K | 1.0M | 🏆 Google: Gemini 3 Pro Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $2.00 | 🏆 DeepSeek: R1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $12.00 | 🏆 DeepSeek: R1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Google: Gemini 3 Pro Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: R1 better than Google: Gemini 3 Pro Preview?
DeepSeek: R1 and Google: Gemini 3 Pro Preview are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: R1 and Google: Gemini 3 Pro Preview?
Input: $0.70 vs $2.00 per 1M tokens. Output: $2.50 vs $12.00 per 1M tokens.
What context windows do DeepSeek: R1 and Google: Gemini 3 Pro Preview support?
DeepSeek: R1 supports up to 64K tokens. Google: Gemini 3 Pro Preview supports up to 1.0M tokens.
Do both DeepSeek: R1 and Google: Gemini 3 Pro Preview support tool calling?
DeepSeek: R1: yes. Google: Gemini 3 Pro Preview: yes.