Gemini 2.5 Flash vs Gemini 2.5 Flash-Lite
Gemini 2.5 Flash leads the LLM Stats Score 22.1 to 10.7. Gemini 2.5 Flash-Lite is 4.9x cheaper per token.
Google · Google · Updated for 2026
Which is better?
Gemini 2.5 Flash leads the overall LLM Stats Score 22.1 to 10.7, ranking #168 overall.
In the 10 individual benchmarks reported for both models, Gemini 2.5 Flash wins 10; this is a narrower head-to-head signal than the composite indexes.
On price, Gemini 2.5 Flash-Lite is roughly 4.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 2.5 Flash
- overall performance matters — it scores 22.1 and ranks #168 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 10 of 10 exact shared results
Choose Gemini 2.5 Flash-Lite
- cost matters — it's about 4.9x cheaper per token
- you want the most recent training data — it shipped Jun 2025
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
14 reported for Gemini 2.5 Flash · 13 for Gemini 2.5 Flash-Lite
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.
Human preference
Blind head-to-head votes and playground preference scores
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
Documented input modalities across available providers
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
1.3 years ago
Jun 17, 2025
1.2 years 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.
Gemini 2.5 Flash
Gemini 2.5 Flash-Lite
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 2.5 Flash and Gemini 2.5 Flash-Lite side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 2.5 Flash vs Gemini 2.5 Flash-Lite.