Data points: 62
The readout for Gemini 3.1 Flash Image and GPT-5.2, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 0 to 4.
Evidence depth
62 data points
Includes 0 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 10 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3.1 Flash Image vs GPT-5.2gemini-3-1-flash-image-vs-gpt-5-2 | Model A Gemini 3.1 Flash Image | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 4 wins |
| Where it leads | No data | Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | Gemini 3.1 Flash Image exposes 131.1K tokens; notable signals: Text input, Image input, Text output, Image output. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | |
| Context window | 131.1K tokens | 128K tokens |
| Max output | 65.5K tokens | 16.4K tokens |
| Released | Feb 2026 | Dec 2025 |
| Modalities | Input ImageText Output ImageText | Input FileImageText Output Text |
| Features | Text inputImage inputText outputImage outputStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-flash-image-preview | openai/gpt-5.2-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 3.1 Flash Image | GPT-5.2 |
|---|---|---|
| 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 3.1 Flash Image | GPT-5.2 |
|---|---|---|
| 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 3.1 Flash Image | GPT-5.2 |
|---|---|---|
N1N15 tests | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
PackyAPI10 tests | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data |
ModelPool5 tests | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 5256ms input / output No data |
Rnglg2 API5 tests | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data |
Yun API5 tests | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 32 tok/s / 1965ms input / output No data |
Gemini 3.1 Flash Image gemini-3.1-flash-image speed / latency No data input / output $2.86/M / $2.86/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0/M / $0/M | |
Gemini 3.1 Flash Image gemini-3.1-flash-image-preview-c speed / latency No data input / output $0.0021/M / $0.0021/M | GPT-5.2 gpt-5.2-xhigh speed / latency No data input / output $0.072/M / $0.575/M | |
Gemini 3.1 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.0072/M / $0.0072/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.059/M / $0.470/M | |
Gemini 3.1 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.070/M / $0.070/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.010/M / $0.010/M | |
Gemini 3.1 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.011/M / $0.011/M | GPT-5.2 gpt-5.2-chat-2026-02-10 speed / latency No data input / output $10.27/M / $82.19/M |
This report only uses LMSpeed data for Gemini 3.1 Flash Image and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Flash Image | GPT-5.2 |
|---|---|---|
| When to choose each model | Gemini 3.1 Flash Image Gemini 3.1 Flash Image does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.2 leads across 62 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Flash Image vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
