Gemini 3.1 Flash-Lite vs DeepSeek Reasoner
Side-by-side comparison of pricing and capabilities
Gemini 3.1 Flash-Lite
DeepSeek Reasoner
Input Price Comparison
| Attribute | Gemini 3.1 Flash-Lite | DeepSeek Reasoner |
|---|---|---|
| Provider | DeepSeek | |
| Input Price | $0.25 /1M tokens | $0.55 /1M tokens |
| Output Price | $1.5 /1M tokens | $2.19 /1M tokens |
| Cached Input | $0.025 /1M tokens | $0.055 /1M tokens |
| Context Window | 1.0M | 128K |
| Type | chat | reasoning |
| Status | preview | current |
Capability Comparison
| Capability | Gemini 3.1 Flash-Lite | DeepSeek Reasoner |
|---|---|---|
| multilingual | ||
| reasoning | ||
| coding |
Which should you choose?
Budget-conscious: Gemini 3.1 Flash-Lite is 55% cheaper on input tokens ($0.25 vs $0.55 per 1M tokens).
Context-heavy tasks: Gemini 3.1 Flash-Lite offers a larger context window (1.0M vs 128K), making it better for long documents or conversations.
Capability fit: Gemini 3.1 Flash-Lite supports 1 capabilities (multilingual), while DeepSeek Reasoner supports 2 (reasoning, coding).
Frequently Asked Questions
Which is cheaper: Gemini 3.1 Flash-Lite or DeepSeek Reasoner?
Gemini 3.1 Flash-Lite costs $0.25/1M input vs DeepSeek Reasoner at $0.55/1M input. Gemini 3.1 Flash-Lite is 55% cheaper on input tokens.
How do output prices compare between Gemini 3.1 Flash-Lite and DeepSeek Reasoner?
Gemini 3.1 Flash-Lite output: $1.5/1M, DeepSeek Reasoner output: $2.19/1M. Gemini 3.1 Flash-Lite is more economical for generation-heavy workloads.
What is Gemini 3.1 Flash-Lite best used for?
Gemini 3.1 Flash-Lite 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.