Data points: 96
The readout for GPT-5.4 and GPT-5.4 Mini, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
96 data points
Includes 8 benchmark rows, 3 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.4 vs GPT-5.4 Minigpt-5-4-vs-gpt-5-4-mini | Model A GPT-5.4 | Model B GPT-5.4 Mini |
|---|---|---|
| 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 |
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | GPT-5.4 Mini exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | OpenAI |
| Context window | 1.1M tokens | 400K tokens |
| Max output | 128K tokens | 128K tokens |
| Released | Mar 2026 | Mar 2026 |
| Modalities | Input TextImageFile Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | No data | 2025-08-31 |
| OpenRouter ID | openai/gpt-5.4 | openai/gpt-5.4-mini |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
| GPQA | 92.0%#3 | 87.5%#17 |
| SciCode | 56.6%#3 | 49.9%#13 |
| HLE | 41.6%#4 | 26.6%#23 |
| Output speed | 92.4 tok/s#56 | 165.0 tok/s#22 |
| Input price | $2.50/M#37 | $0.750/M#24 |
| Output price | $15.00/M#44 | $4.50/M#34 |
| Time to first answer token | 134.24 s#111 | 3.95 s#47 |
| Blended price | $5.63/M#63 | $1.69/M#48 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
钠 APIWinner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 90 1008476100 | GPT-5.4 Mini gpt-5.4-mini No audit yet |
TokenFluxWinner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 83 727980100 | GPT-5.4 Mini gpt-5.4-mini No audit yet |
R的API小站Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 82 806880100 | GPT-5.4 Mini gpt-5.4-mini No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
Mars HK140 tests | GPT-5.4 speed / latency 49 tok/s / 6084ms input / output No data | GPT-5.4 Mini speed / latency 128 tok/s / 4452ms input / output No data |
Mars HK105 tests | GPT-5.4 speed / latency 57 tok/s / 3556ms input / output No data | GPT-5.4 Mini speed / latency 145 tok/s / 5776ms input / output No data |
天宫造物50 tests | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data | GPT-5.4 Mini speed / latency N/A / N/A input / output No data |
QuicklyAPI45 tests | GPT-5.4 speed / latency 50 tok/s / 2467ms input / output No data | GPT-5.4 Mini speed / latency 50 tok/s / 7767ms input / output No data |
XShuLab Sub2API40 tests | GPT-5.4 speed / latency 24 tok/s / 2652ms input / output No data | GPT-5.4 Mini speed / latency 139 tok/s / 2844ms input / output No data |
GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $0/M / $0/M | GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0/M / $0/M | |
GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $75.00/M / $450.00/M | GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0/M / $0/M | |
GPT-5.4 gpt-5.4-free speed / latency No data input / output $0/M / $0/M | GPT-5.4 Mini gpt-5.4-mini-openai-compact speed / latency No data input / output $1.50/M / $9.00/M |
This report only uses LMSpeed data for GPT-5.4 and GPT-5.4 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | GPT-5.4 Mini |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Free providers, Provider coverage, Recent tests. | GPT-5.4 Mini GPT-5.4 Mini is stronger when you prioritize Cheapest input price, Average speed, First-token latency. |
TL;DR: Tie leads across 96 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs GPT-5.4 Mini 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.
