Data points: 82
The readout for Gemini 2.5 Pro and GPT-4.1 Nano, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.5 Pro vs GPT-4.1 Nanogemini-2-5-pro-vs-gpt-4-1-nano | Model A Gemini 2.5 Pro | Model B GPT-4.1 Nano |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Free providers, Provider coverage, Recent tests | Cheapest input price, Average speed, First-token latency |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 2.5 Pro | GPT-4.1 Nano |
|---|---|---|
| Time to first answer token | 23.08 s#77 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | GPT-4.1 Nano |
|---|---|---|
| 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 Pro | GPT-4.1 Nano |
|---|---|---|
75 tests | Gemini 2.5 Pro gemini-2.5-pro speed / latency N/A / N/A input / output $0.0006/M / $0.0050/M |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-4.1 Nano: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | GPT-4.1 Nano |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Free providers, Provider coverage, Recent tests. | GPT-4.1 Nano GPT-4.1 Nano is stronger when you prioritize Cheapest input price, Average speed, First-token latency. |
TL;DR: Tie leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs GPT-4.1 Nano into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-4.1 Nano exposes 1.0M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | |
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 65.5K tokens | 32.8K tokens |
| Released | Jun 2025 | Apr 2025 |
| Modalities | Input TextImageFileAudiovideo Output Text | Input ImageTextFile 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 | 2025-01-31 | 2024-06-30 |
| OpenRouter ID | google/gemini-2.5-pro | openai/gpt-4.1-nano |
| References | No data | No data |
| AIME | 88.7%#6 | 23.7%#38 |
|---|
| Input price | $1.25/M#30 | $0.100/M#6 |
|---|
| Output price | $10.00/M#41 | $0.400/M#6 |
|---|
| Time to first token | 23.08 s#97 | 0.47 s#7 |
|---|
| Blended price | $3.44/M#58 | $0.175/M#10 |
|---|
| MMLU-Pro | 86.2%#12 | 65.7%#71 |
|---|
| MATH-500 | 96.7%#16 | 84.8%#38 |
|---|
GPT-4.1 Nano
gpt-4.1-nano
speed / latency
127 tok/s / 2007ms
input / output
$0.0001/M / $0.0001/M
V-API25 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4.1 Nano speed / latency 162 tok/s / 1284ms input / output No data |
|---|
ChatGTP5 tests | Gemini 2.5 Pro gemini-2.5-pro-c speed / latency N/A / N/A input / output $0.0082/M / $0.0082/M | GPT-4.1 Nano gpt-4.1-nano-2025-04-14 speed / latency 222 tok/s / 800ms input / output $0.014/M / $0.055/M |
|---|
DeepRouter5 tests | Gemini 2.5 Pro speed / latency 92 tok/s / 16347ms input / output No data | GPT-4.1 Nano speed / latency N/A / N/A input / output No data |
|---|
ModelPool5 tests | Gemini 2.5 Pro speed / latency 81 tok/s / 21179ms input / output No data | GPT-4.1 Nano speed / latency N/A / N/A input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GPT-4.1 Nano gpt-4.1-nano speed / latency No data input / output $0.0001/M / $0.0001/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.051/M / $0.411/M | GPT-4.1 Nano gpt-4.1-nano-2025-04-14 speed / latency No data input / output $0.0041/M / $0.016/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.086/M / $0.685/M | GPT-4.1 Nano gpt-4.1-nano speed / latency No data input / output $0.0068/M / $0.027/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
