Data points: 63
The readout for Gemini 2.5 Flash and Gemini Pro, 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 0.
Evidence depth
63 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Gemini 2.5 Flash
The charts below split 8 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.5 Flash vs Gemini Progemini-2-5-flash-vs-gemini-pro | Model A Gemini 2.5 Flash | Model B Gemini Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 0 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 Pro |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Flash | Gemini Pro |
|---|---|---|
| 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 Pro |
|---|---|---|
25 tests | Gemini 2.5 Flash gemini-2.5-flash speed / latency 139 tok/s / 4002ms input / output $0.0001/M / $0.0013/M |
This report only uses LMSpeed data for Gemini 2.5 Flash and Gemini Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Flash | Gemini Pro |
|---|---|---|
| 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 Pro Gemini Pro does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Gemini 2.5 Flash leads across 63 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Flash vs Gemini Pro into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Gemini 2.5 Flash exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | Gemini Pro 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 | Apr 2026 |
| Modalities | Input FileImageTextAudiovideo Output Text | Input AudioFileImageTextvideo 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 | Router |
| Knowledge cutoff | 2025-01-31 | No data |
| OpenRouter ID | google/gemini-2.5-flash | ~google/gemini-pro-latest |
| References | No data | No data |
Gemini Pro
gemini-pro-latest
speed / latency
N/A / N/A
input / output
$0.037/M / $0.150/M
OpenRouter10 tests | Gemini 2.5 Flash speed / latency 141 tok/s / 2052ms input / output No data | Gemini Pro speed / latency N/A / N/A input / output No data |
|---|
AAAI0 tests | Gemini 2.5 Flash speed / latency N/A / N/A input / output No data | Gemini Pro speed / latency N/A / N/A input / output No data |
|---|
Aitoke0 tests | Gemini 2.5 Flash speed / latency N/A / N/A input / output No data | Gemini Pro speed / latency N/A / N/A input / output No data |
|---|
CaMeL AI0 tests | Gemini 2.5 Flash speed / latency N/A / N/A input / output No data | Gemini Pro speed / latency N/A / N/A 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 Pro gemini-pro-latest speed / latency No data input / output $0.037/M / $0.150/M |
Gemini 2.5 Flash gemini-2.5-flash-nothinking speed / latency No data input / output $0.012/M / $0.103/M | Gemini Pro gemini-pro-latest speed / latency No data input / output $0.051/M / $0.411/M |
Gemini 2.5 Flash gemini-2.5-flash speed / latency No data input / output $0.041/M / $0.343/M | Gemini Pro gemini-pro-latest speed / latency No data input / output $0.171/M / $1.37/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
