Gemini 3.1 Flash Lite Preview vs Gemini 3.1 Pro Preview
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Gemini 3.1 Flash Lite Preview and Gemini 3.1 Pro Preview.
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across...
Gemini 3.1 Pro Preview
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...
Technical Specifications
| Specification | Gemini 3.1 Flash Lite Preview | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | ||
| Context Window | 1,048,576 tokens | 1,048,576 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | beta |
| API Available | Yes | Yes |
| Released Date | 2026-03-03 | 2026-02-19 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 3.1 Flash Lite Preview
$0.25
Gemini 3.1 Pro Preview
$2.00
Output Price per Million Tokens
Gemini 3.1 Flash Lite Preview
$1.50
Gemini 3.1 Pro Preview
$12.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Gemini 3.1 Flash Lite Preview Quirks & Gotchas
No developer gotchas reported.
Gemini 3.1 Pro Preview Quirks & Gotchas
No developer gotchas reported.