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 3.1 Pro Preview
DeepSeek: R1 and Google: Gemini 3.1 Pro Preview are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation …
Model details →Side-by-side comparison
| Capability | DeepSeek: R1 | Google: Gemini 3.1 Pro Preview | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 64K | 1.0M | 🏆 Google: Gemini 3.1 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 3.1 Pro Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: R1 better than Google: Gemini 3.1 Pro Preview?
DeepSeek: R1 and Google: Gemini 3.1 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 3.1 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 3.1 Pro Preview support?
DeepSeek: R1 supports up to 64K tokens. Google: Gemini 3.1 Pro Preview supports up to 1.0M tokens.
Do both DeepSeek: R1 and Google: Gemini 3.1 Pro Preview support tool calling?
DeepSeek: R1: yes. Google: Gemini 3.1 Pro Preview: yes.