Data points: 82
The readout for Gemini 2.5 Flash and Gemini 2.5 Flash Lite, before the detailed comparison sheet.
Decision read
Gemini 2.5 Flash
Gemini 2.5 Flash currently has the stronger profile, with verified wins split 3 to 2.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Gemini 2.5 Flash
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.5 Flash vs Gemini 2.5 Flash Litegemini-2-5-flash-vs-gemini-2-5-flash-lite | Model A Gemini 2.5 Flash | Model B Gemini 2.5 Flash Lite |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 2 wins |
| Where it leads | Cheapest input price, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| Time to first answer token | 0.54 s#10 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
35 tests | Gemini 2.5 Flash speed / latency 190 tok/s / 6776ms input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Flash and Gemini 2.5 Flash Lite: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Flash | Gemini 2.5 Flash Lite |
|---|---|---|
| When to choose each model | Gemini 2.5 Flash Gemini 2.5 Flash is stronger when you prioritize Cheapest input price, Provider coverage, Recent tests. | Gemini 2.5 Flash Lite Gemini 2.5 Flash Lite is stronger when you prioritize Average speed, First-token latency. |
TL;DR: Gemini 2.5 Flash leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Flash vs Gemini 2.5 Flash Lite into nearby model comparisons with enough verified LMSpeed data.
| Average speed, First-token latency |
| Model metadata | Gemini 2.5 Flash exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | Gemini 2.5 Flash Lite exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. |
|---|---|---|
| Developer | ||
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 65.5K tokens | 65.5K tokens |
| Released | Jun 2025 | Sep 2025 |
| Modalities | Input FileImageTextAudiovideo Output Text | Input TextImageFileAudiovideo Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool calling |
| Parameters | No data | No data |
| Tokenizer | Gemini | Gemini |
| Knowledge cutoff | 2025-01-31 | 2025-01-31 |
| OpenRouter ID | google/gemini-2.5-flash | google/gemini-2.5-flash-lite-preview-09-2025 |
| References | No data | No data |
| Time to first token | 0.54 s#14 | 0.37 s#3 |
|---|
| Input price | $0.300/M#15 | $0.100/M#6 |
|---|
| Output price | $2.50/M#27 | $0.400/M#6 |
|---|
| Output speed | 194.9 tok/s#13 | 229.0 tok/s#7 |
|---|
| Blended price | $0.850/M#35 | $0.175/M#10 |
|---|
| MATH-500 | 93.2%#24 | 92.6%#26 |
|---|
| AIME | 50.0%#25 | 50.0%#25 |
|---|
Gemini 2.5 Flash Lite
speed / latency
260 tok/s / 713ms
input / output
No data
Rnglg2 API35 tests | Gemini 2.5 Flash speed / latency 189 tok/s / 11433ms input / output No data | Gemini 2.5 Flash Lite speed / latency 235 tok/s / 2518ms input / output No data |
|---|
SWT-API25 tests | Gemini 2.5 Flash gemini-2.5-flash speed / latency 139 tok/s / 4002ms input / output $0.0001/M / $0.0013/M | Gemini 2.5 Flash Lite gemini-2.5-flash-lite speed / latency N/A / N/A input / output $0.037/M / $0.150/M |
|---|
GankInterview LLM15 tests | Gemini 2.5 Flash speed / latency N/A / N/A input / output No data | Gemini 2.5 Flash Lite speed / latency 262 tok/s / 904ms input / output No data |
|---|
Lido LLM10 tests | Gemini 2.5 Flash speed / latency 225 tok/s / 8606ms input / output No data | Gemini 2.5 Flash Lite speed / latency 406 tok/s / 779ms input / output No data |
|---|
Gemini 2.5 Flash gemini-2.5-flash speed / latency No data input / output $0.0001/M / $0.0013/M | Gemini 2.5 Flash Lite gemini-2.5-flash-lite speed / latency No data input / output $0.037/M / $0.150/M |
Gemini 2.5 Flash gemini-2.5-flash speed / latency No data input / output $0.0008/M / $0.0068/M | Gemini 2.5 Flash Lite gemini-2.5-flash-lite speed / latency No data input / output $0.205/M / $0.822/M |
Gemini 2.5 Flash gemini-2.5-flash-nothinking speed / latency No data input / output $0.0010/M / $0.0010/M | Gemini 2.5 Flash Lite gemini-2.5-flash-lite-preview-09-2025 speed / latency No data input / output $0.0010/M / $0.0010/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
