Data points: 76
The readout for GPT-5.4 and MiMo-V2-Pro, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
76 data points
Includes 8 benchmark rows, 1 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.4 vs MiMo-V2-Progpt-5-4-vs-mimo-v2-pro | Model A GPT-5.4 | Model B MiMo-V2-Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | Average speed, First-token latency |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
| GPQA | 92.0%#3 | 87.0% |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
Winner: GPT-5.4 | GPT-5.4 gpt-5.4 Audit score 83 7279 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
20 tests | GPT-5.4 speed / latency 51 tok/s / 4032ms input / output No data | MiMo-V2-Pro |
This report only uses LMSpeed data for GPT-5.4 and MiMo-V2-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | MiMo-V2-Pro |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | MiMo-V2-Pro MiMo-V2-Pro is stronger when you prioritize Average speed, First-token latency. |
TL;DR: GPT-5.4 leads across 76 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs MiMo-V2-Pro into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | OpenAI | No data |
| Context window | 1.1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Mar 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.4 | No data |
| References | No data | No data |
| SciCode | 56.6%#3 | 42.5%#34 |
|---|
| HLE | 41.6%#4 | 28.3%#16 |
|---|
| Input price | $2.50/M#37 | $1.00/M#26 |
|---|
| Output price | $15.00/M#44 | $3.00/M#28 |
|---|
| Blended price | $5.63/M#63 | $1.50/M#46 |
|---|
| Output speed | 92.4 tok/s#56 | 37.1 tok/s#103 |
|---|
| Time to first token | 134.24 s#110 | 2.17 s#72 |
|---|
MiMo-V2-Pro mimo-v2-pro No audit yet |
speed / latency
N/A / N/A
input / output
No data
星见雅 API20 tests | GPT-5.4 speed / latency 49 tok/s / 5435ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
6345ywz API15 tests | GPT-5.4 speed / latency 41 tok/s / 6581ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
0CHAT10 tests | GPT-5.4 speed / latency 51 tok/s / 2526ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
Fengsili API10 tests | GPT-5.4 speed / latency 88 tok/s / 6075ms input / output No data | MiMo-V2-Pro speed / latency N/A / N/A input / output No data |
|---|
GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $75.00/M / $450.00/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $0/M / $0/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.342/M / $2.05/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $0.014/M / $0.014/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.400/M / $2.40/M | MiMo-V2-Pro mimo-v2-pro speed / latency No data input / output $0.050/M / $0.050/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
