Gemini 2.5 Flash vs Gemini 2.5 Flash-Lite Comparison
Comparing Gemini 2.5 Flash and Gemini 2.5 Flash-Lite across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Flash outperforms in 10 benchmarks (Aider-Polyglot, AIME 2025, FACTS Grounding, Global-MMLU-Lite, GPQA, Humanity's Last Exam, MMMU, SimpleQA, SWE-Bench Verified, Vibe-Eval), while Gemini 2.5 Flash-Lite is better at 0 benchmarks.
Gemini 2.5 Flash significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Flash ($0.30/1M tokens) is 3.0x more expensive than Gemini 2.5 Flash-Lite ($0.10/1M tokens).
For output processing, Gemini 2.5 Flash ($2.50/1M tokens) is 6.3x more expensive than Gemini 2.5 Flash-Lite ($0.40/1M tokens).
In conclusion, Gemini 2.5 Flash is more expensive than Gemini 2.5 Flash-Lite.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Flash and Gemini 2.5 Flash-Lite support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Flash
Gemini 2.5 Flash-Lite
License
Usage and distribution terms
Gemini 2.5 Flash is licensed under a proprietary license, while Gemini 2.5 Flash-Lite uses Creative Commons Attribution 4.0 License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Creative Commons Attribution 4.0 License
Open weights
Release Timeline
When each model was launched
Gemini 2.5 Flash was released on 2025-05-20, while Gemini 2.5 Flash-Lite was released on 2025-06-17.
Gemini 2.5 Flash-Lite is 1 month newer than Gemini 2.5 Flash.
May 20, 2025
9 months ago
Jun 17, 2025
9 months ago
4w newerKnowledge Cutoff
When training data ends
Gemini 2.5 Flash has a knowledge cutoff of 2025-01-31, while Gemini 2.5 Flash-Lite has a cutoff of 2025-01-01.
Gemini 2.5 Flash has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to Gemini 2.5 Flash-Lite (2025-01-01).
Jan 2025
Jan 2025
Provider Availability
Gemini 2.5 Flash is available from Google. Gemini 2.5 Flash-Lite is available from Google. The availability of providers can affect quality of the model and reliability.
Gemini 2.5 Flash
Gemini 2.5 Flash-Lite
Outputs Comparison
Key Takeaways
Gemini 2.5 FlashGemini 2.5 Flash-LiteDetailed Comparison
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