Gemini 2.5 Flash Lite Preview 09-2025 vs R1
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 2.5 Flash Lite Preview 09-2025 and R1.
Gemini 2.5 Flash Lite Preview 09-2025
Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance...
R1
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....
Technical Specifications
| Specification | Gemini 2.5 Flash Lite Preview 09-2025 | R1 |
|---|---|---|
| Provider | DeepSeek | |
| Context Window | 1,048,576 tokens | 163,840 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2025-09-25 | 2025-01-20 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 2.5 Flash Lite Preview 09-2025
$0.10
R1
$0.70
Output Price per Million Tokens
Gemini 2.5 Flash Lite Preview 09-2025
$0.40
R1
$2.50
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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 2.5 Flash Lite Preview 09-2025 Quirks & Gotchas
No developer gotchas reported.
R1 Quirks & Gotchas
No developer gotchas reported.