Data points: 84
The readout for Gemini 3.1 Pro Preview and GPT-5.4, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 0 to 4.
Evidence depth
84 data points
Includes 9 benchmark rows, 1 audit samples, and 5 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 15 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare Gemini 3.1 Pro Preview vs GPT-5.4gemini-3-1-pro-preview-vs-gpt-5-4 | Model A Gemini 3.1 Pro Preview | Model B GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 4 wins |
| Where it leads | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Gemini 3.1 Pro Preview
64.2
Avg. score
GPT-5.4
63.6
Selected category
Reasoning
Gemini 3.1 Pro Preview leads by 23.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.1 Pro Preview
23.89 s
Rank #82/113 · confidence 4
GPT-5.4
winner0.69 s
Rank #19/113 · confidence 4
Gemini 3.1 Pro Preview
23.89 s
Rank #105/113 · confidence 4
GPT-5.4
winner0.69 s
Rank #24/113 · confidence 4
Gemini 3.1 Pro Preview
winner129.5 tok/s
Rank #35/113 · confidence 4
GPT-5.4
106.7 tok/s
Rank #47/113 · confidence 4
Gemini 3.1 Pro Preview
winner$2.00/M
Rank #107/138 · confidence 4
GPT-5.4
$2.50/M
Rank #114/138 · confidence 4
Gemini 3.1 Pro Preview
winner$4.50/M
Rank #111/138 · confidence 4
GPT-5.4
$5.63/M
Rank #116/138 · confidence 4
Gemini 3.1 Pro Preview
winner$12.00/M
Rank #111/138 · confidence 4
GPT-5.4
$15.00/M
Rank #116/138 · confidence 4
Gemini 3.1 Pro Preview
winner94.1%
Rank #2/152 · confidence 4
GPT-5.4
74.8%
Rank #75/152 · confidence 4
Gemini 3.1 Pro Preview
winner44.7%
Rank #5/150 · confidence 4
GPT-5.4
10.6%
Rank #68/150 · confidence 4
Gemini 3.1 Pro Preview
winner58.9%
Rank #2/149 · confidence 4
GPT-5.4
47.1%
Rank #13/149 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro Preview | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | Gemini 3.1 Pro Preview [AIS-F1][0.25/次]gemini-3.1-pro-preview No audit yet | GPT-5.4 gpt-5.4 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 3.1 Pro Preview | GPT-5.4 |
|---|---|---|
0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Gemini 3.1 Pro Preview and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro Preview | GPT-5.4 |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.4 leads across 84 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro Preview vs GPT-5.4 into nearby model comparisons with enough verified LMSpeed data.
| Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | Gemini 3.1 Pro Preview exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | |
| Context window | 1.0M tokens | 1.1M tokens |
| Max output | 65.5K tokens | 128K tokens |
| Released | No data | Mar 2026 |
| Modalities | Input AudioFileImageTextvideo Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputs |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-pro-preview | openai/gpt-5.4 |
| References | No data | No data |
Audit score
82
GPT-5.4
speed / latency
N/A / N/A
input / output
No data
Nova AI0 tests | Gemini 3.1 Pro Preview [次-流抗截]gemini-3.1-pro-preview speed / latency N/A / N/A input / output $0.050/M / $0.050/M | GPT-5.4 gpt-5.4 speed / latency N/A / N/A input / output $2.50/M / $15.00/M |
|---|
RenRen API0 tests | Gemini 3.1 Pro Preview [次满血]gemini-3.1-pro-preview speed / latency N/A / N/A input / output $0.080/M / $0.080/M | GPT-5.4 gpt-5.4 speed / latency N/A / N/A input / output $2.50/M / $15.00/M |
|---|
R的API小站0 tests | Gemini 3.1 Pro Preview [AIS-F1][0.25/次]gemini-3.1-pro-preview speed / latency N/A / N/A input / output $0.200/M / $0.200/M | GPT-5.4 gpt-5.4 speed / latency N/A / N/A input / output $2.00/M / $12.00/M |
|---|
Sliam0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
