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 Flash Preview
Google: Gemini 3 Flash Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool use performance with substantially lower latency than la…
Model details →Side-by-side comparison
| Capability | DeepSeek: R1 | Google: Gemini 3 Flash Preview | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 64K | 1.0M | 🏆 Google: Gemini 3 Flash Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $0.50 | 🏆 Google: Gemini 3 Flash Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $3.00 | 🏆 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 Flash Preview |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: R1 better than Google: Gemini 3 Flash Preview?
Google: Gemini 3 Flash Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek: R1 and Google: Gemini 3 Flash Preview?
Input: $0.70 vs $0.50 per 1M tokens. Output: $2.50 vs $3.00 per 1M tokens.
What context windows do DeepSeek: R1 and Google: Gemini 3 Flash Preview support?
DeepSeek: R1 supports up to 64K tokens. Google: Gemini 3 Flash Preview supports up to 1.0M tokens.
Do both DeepSeek: R1 and Google: Gemini 3 Flash Preview support tool calling?
DeepSeek: R1: yes. Google: Gemini 3 Flash Preview: yes.