Model comparison
Gemini 2.5 Flash vs Gemini 2.5 Flash Lite
Price history, scores and specs for both models, line by line. Every value shows where it came from and when we last confirmed it.
Gemini 2.5 Flash
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks.
Gemini 2.5 Flash Lite
Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency.
Quick take
Where each one leads
- Gemini 2.5 Flash Lite costs less to send text to: $0.100 per million tokens, against $0.300 per million tokens for Gemini 2.5 Flash.
- Gemini 2.5 Flash Lite costs less per word it writes: $0.400 per million tokens, against $2.50 per million tokens for Gemini 2.5 Flash.
- Gemini 2.5 Flash scores higher on the Artificial Analysis Intelligence Index: 15.5 to 10.4.
- More people run Gemini 2.5 Flash Lite through OpenRouter than Gemini 2.5 Flash right now.
Each line comes from a checked value in the tables below. Pick on your workload: price and usage matter for high volume, context and scores for long documents and agent loops.
Price history
Prices side by side, day by day
- Gemini 2.5 Flash
- Gemini 2.5 Flash Lite
- Gemini 2.5 Flash
- Gemini 2.5 Flash Lite
Prices are the listed OpenRouter base rates in US dollars. A day we could not confirm is left out of the line, never filled in.
Price
What each one costs now
| Measure | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| Input price | $0.300 per million tokens | $0.100 per million tokens Leads |
| Output price | $2.50 per million tokens | $0.400 per million tokens Leads |
Scores
Benchmarks, with source and date
| Measure | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| Artificial Analysis Intelligence Index | 15.5 Leads | 10.4 |
| LMArena text rating (Elo) | 1,417 | Not checked yet |
| LMArena vision rating (Elo) | 1,235 | Not checked yet |
| Design Arena rating (Elo) | 1,132 | Not checked yet |
Specs
Context, modalities and tool use
| Measure | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| Context window | 1,048,576 tokens | 1,048,576 tokens |
| Reads | Files, Images, Text, Audio, Video | Text, Images, Files, Audio, Video |
| Writes | Text | Text |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
| Open weights | No | No |
| Listed since | 17 June 2025 | 22 July 2025 |
Usage
How much each one is used
| Measure | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| Tokens served on OpenRouter in a day | 40.4B (for 10 Nov 2026) | 49.5B Leads (for 10 Nov 2026) |
| Requests on OpenRouter in a day | 14.3M (for 10 Nov 2026) | 21.2M Leads (for 10 Nov 2026) |
| Tool calls on OpenRouter in a day | 374.2K Leads (for 10 Nov 2026) | 150.8K (for 10 Nov 2026) |
| Token usage, last 7 days | Down 1% on the week before (for 10 Nov 2026) | Up 5% on the week before Leads (for 10 Nov 2026) |
- Gemini 2.5 Flash
- Gemini 2.5 Flash Lite
How this works
One link, either order
This link stays the same whichever order you name the two models in, so you can share it as it is. A line appears only when at least one model has a value we confirmed from a source; values we have not confirmed are left out, never guessed. To add a third record of any type, use the open comparison. Read how we check facts.