Data points: 82
The readout for GPT-4.1 Mini and GPT-5, before the detailed comparison sheet.
Decision read
GPT-4.1 Mini
GPT-4.1 Mini currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-4.1 Mini
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare GPT-4.1 Mini vs GPT-5gpt-4-1-mini-vs-gpt-5 | Model A GPT-4.1 Mini | Model B GPT-5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Average speed, First-token latency, Recent tests | Free providers, Provider coverage |
| Model metadata | GPT-4.1 Mini exposes 1.0M tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | OpenAI |
| Context window | 1.0M tokens | 128K tokens |
| Max output | 32.8K tokens | 16.4K tokens |
| Released | Apr 2025 | Aug 2025 |
| Modalities | Input ImageTextFile Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2024-06-30 | 2024-09-30 |
| OpenRouter ID | openai/gpt-4.1-mini | openai/gpt-5-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-4.1 Mini | GPT-5 |
|---|---|---|
| AIME | 43.0%#28 | 95.7%#1 |
| MATH-500 | 92.5%#27 | 99.4%#1 |
| MMLU-Pro | 78.1%#48 | 87.1%#7 |
| LiveCodeBench | 48.3%#57 | 84.6%#11 |
| Time to first answer token | 0.56 s#12 | 62.85 s#98 |
| Input price | $0.400/M#16 | $1.25/M#30 |
| Time to first token | 0.56 s#16 | 62.85 s#104 |
| Output price | $1.60/M#21 | $10.00/M#41 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4.1 Mini | GPT-5 |
|---|---|---|
| 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 | GPT-4.1 Mini | GPT-5 |
|---|---|---|
SkyAI155 tests | GPT-4.1 Mini speed / latency 99 tok/s / 2734ms input / output No data | GPT-5 speed / latency 169 tok/s / 1894ms input / output No data |
V-API20 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
N1N15 tests | GPT-4.1 Mini speed / latency 70 tok/s / 1372ms input / output No data | GPT-5 speed / latency 102 tok/s / 948ms input / output No data |
EasyMore5 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
Undy API5 tests | GPT-4.1 Mini speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 131 tok/s / 743ms input / output No data |
GPT-4.1 Mini gpt-4.1-mini speed / latency No data input / output $0.0002/M / $0.0004/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M | |
GPT-4.1 Mini gpt-4.1-mini speed / latency No data input / output $0.0002/M / $0.0004/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M | |
GPT-4.1 Mini gpt-4.1-mini-2025-04-14 speed / latency No data input / output $0.016/M / $0.066/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.051/M / $0.411/M | |
GPT-4.1 Mini gpt-4.1-mini speed / latency No data input / output $0.027/M / $0.110/M | GPT-5 gpt-5 speed / latency No data input / output $0.086/M / $0.685/M |
This report only uses LMSpeed data for GPT-4.1 Mini and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-4.1 Mini | GPT-5 |
|---|---|---|
| When to choose each model | GPT-4.1 Mini GPT-4.1 Mini is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Recent tests. | GPT-5 GPT-5 is stronger when you prioritize Free providers, Provider coverage. |
TL;DR: GPT-4.1 Mini leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-4.1 Mini vs GPT-5 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.
