Data points: 73
The readout for Gemini 3 Pro 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 2 to 4.
Evidence depth
73 data points
Includes 6 benchmark rows, 1 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3 Pro vs GPT-5.4gemini-3-pro-vs-gpt-5-4 | Model A Gemini 3 Pro | Model B GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Cheapest input price, Average speed | First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 3 Pro | GPT-5.4 |
|---|---|---|
| GPQA | 90.8%#7 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3 Pro | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | Gemini 3 Pro gemini-3-pro-low 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 Pro | GPT-5.4 |
|---|---|---|
50 tests | Gemini 3 Pro speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Gemini 3 Pro and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3 Pro | GPT-5.4 |
|---|---|---|
| When to choose each model | Gemini 3 Pro Gemini 3 Pro is stronger when you prioritize Cheapest input price, Average speed. | GPT-5.4 GPT-5.4 is stronger when you prioritize First-token latency, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.4 leads across 73 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3 Pro vs GPT-5.4 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | No OpenRouter metadata is available yet for this model. | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | |
| Context window | No data | 1.1M tokens |
| Max output | No data | 128K tokens |
| Released | No data | Mar 2026 |
| Modalities | No data | Input TextImageFile Output Text |
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | openai/gpt-5.4 |
| References | No data | No data |
| SciCode | 56.1%#4 | 56.6%#3 |
|---|
| HLE | 37.2%#7 | 41.6%#4 |
|---|
| Input price | $2.00/M#36 | $2.50/M#37 |
|---|
| Output price | $12.00/M#42 | $15.00/M#44 |
|---|
| Blended price | $4.50/M#61 | $5.63/M#63 |
|---|
Audit score
90
GPT-5.4
speed / latency
50 tok/s / 7305ms
input / output
No data
N1N15 tests | Gemini 3 Pro speed / latency 83 tok/s / 14822ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
|---|
0CHAT10 tests | Gemini 3 Pro speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 51 tok/s / 2526ms input / output No data |
|---|
Omini Api10 tests | Gemini 3 Pro speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 51 tok/s / 1443ms input / output No data |
|---|
QQ Code10 tests | Gemini 3 Pro speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 55 tok/s / 2903ms input / output No data |
|---|
Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.0048/M / $0.0048/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0.342/M / $2.05/M |
Gemini 3 Pro gemini-3-pro-preview-c speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0.342/M / $2.05/M |
Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.014/M / $0.014/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $4.11/M / $24.66/M |
Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.015/M / $0.988/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0.342/M / $2.05/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
