Data points: 64
Model compare
The readout for GPT-5.4 Mini and MiniMax Voice Design, before the detailed comparison sheet.
Weighted outcome: GPT-5.4 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4 Mini
GPT-5.4 Mini has the higher weighted result; Model A / B score 66.7 to 33.3.
Evidence depth
64 data points
Includes 0 benchmark rows, 2 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.4 Mini
The charts below split 9 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.
This report only uses LMSpeed data for GPT-5.4 Mini and MiniMax Voice Design: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 Mini | MiniMax Voice Design |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 66.7 pts | 33.3 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Free providers, Provider coverage | Cheapest input price |
| Context window | 400K tokens | No data |
| Max output | 128K tokens | No data |
| Modalities | Input FileImageText Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GPT-5.4 Mini | MiniMax Voice Design |
|---|---|---|
| Developer | OpenAI | No data |
| Released | Mar 2026 | No data |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | 2025-08-31 | No data |
| OpenRouter ID | openai/gpt-5.4-mini | No data |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 Mini and MiniMax Voice Design: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4 Mini
GPT-5.4 Mini has these operational advantages: Free providers, Provider coverage.
MiniMax Voice Design
MiniMax Voice Design has these operational advantages: Cheapest input price.
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
GPT-5.4 Mini
51.9
Avg. score
MiniMax Voice Design
-
GPT-5.4 Mini
GPT-5.4 Mini
GPT-5.4 Mini
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 Mini | MiniMax Voice Design |
|---|---|---|
Winner: GPT-5.4 Mini | GPT-5.4 Mini gpt-5.4-mini Audit score 97 10010086100 | MiniMax Voice Design MiniMax-Voice-Design No audit yet |
Winner: GPT-5.4 Mini | GPT-5.4 Mini gpt-5.4-mini Audit score 93 1008486100 | MiniMax Voice Design MiniMax-Voice-Design 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 Mini | MiniMax Voice Design |
|---|---|---|
5 tests | GPT-5.4 Mini speed / latency 98 tok/s / 4039ms input / output No data | MiniMax Voice Design speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.4 Mini gpt-5.4-mini-2026-03-17 speed / latency 201 tok/s / 1441ms input / output $0.018/M/$0.108/M | MiniMax Voice Design MiniMax-Voice-Design speed / latency N/A / N/A input / output $0.011/request |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | MiniMax Voice Design speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | MiniMax Voice Design speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | MiniMax Voice Design speed / latency N/A / N/A input / output No data |
GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0.010/M/$0.062/M | MiniMax Voice Design MiniMax-Voice-Design speed / latency No data input / output $0.011/request | |
GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0.010/M/$0.062/M | MiniMax Voice Design MiniMax-Voice-Design speed / latency No data input / output $0.011/request |
Weighted outcome: GPT-5.4 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
|---|
GPT-5.4 Mini
GPT-5.4 Mini
No data
GPT-5.4 Mini
GPT-5.4 Mini
