Gemini 3 Flash Preview vs DeepSeek Reasoner
Side-by-side comparison of pricing and capabilities
Gemini 3 Flash Preview
DeepSeek Reasoner
Input Price Comparison
| Attribute | Gemini 3 Flash Preview | DeepSeek Reasoner |
|---|---|---|
| Provider | DeepSeek | |
| Input Price | $0.5 /1M tokens | $0.55 /1M tokens |
| Output Price | $3 /1M tokens | $2.19 /1M tokens |
| Cached Input | $0.050 /1M tokens | $0.055 /1M tokens |
| Context Window | 1.0M | 128K |
| Type | chat | reasoning |
| Status | preview | current |
Capability Comparison
| Capability | Gemini 3 Flash Preview | DeepSeek Reasoner |
|---|---|---|
| coding | ||
| vision | ||
| multilingual | ||
| reasoning |
Which should you choose?
Budget-conscious: Gemini 3 Flash Preview is 9% cheaper on input tokens ($0.5 vs $0.55 per 1M tokens).
Context-heavy tasks: Gemini 3 Flash Preview offers a larger context window (1.0M vs 128K), making it better for long documents or conversations.
Capability fit: Gemini 3 Flash Preview supports 3 capabilities (coding, vision, multilingual), while DeepSeek Reasoner supports 2 (reasoning, coding).
Frequently Asked Questions
Which is cheaper: Gemini 3 Flash Preview or DeepSeek Reasoner?
Gemini 3 Flash Preview costs $0.5/1M input vs DeepSeek Reasoner at $0.55/1M input. Gemini 3 Flash Preview is 9% cheaper on input tokens.
How do output prices compare between Gemini 3 Flash Preview and DeepSeek Reasoner?
Gemini 3 Flash Preview output: $3/1M, DeepSeek Reasoner output: $2.19/1M. DeepSeek Reasoner is more economical for generation-heavy workloads.
What is Gemini 3 Flash Preview best used for?
Gemini 3 Flash Preview is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is DeepSeek Reasoner best used for?
DeepSeek Reasoner is suited for complex reasoning, analysis, and tasks that benefit from its reasoning and coding capabilities.