Data points: 85
The readout for GPT-5.2 and MiMo-V2.5-Pro, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 3 to 2.
Evidence depth
85 data points
Includes 8 benchmark rows, 1 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.2 vs MiMo-V2.5-Progpt-5-2-vs-mimo-v2-5-pro | Model A GPT-5.2 | Model B MiMo-V2.5-Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 2 wins |
| Where it leads | Average speed, First-token latency, Provider coverage | Cheapest input price, Recent tests |
| Model metadata | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | MiMo-V2.5-Pro exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
| Developer | OpenAI | No data |
| Context window | 128K tokens | 1.0M tokens |
| Max output | 16.4K tokens | 131.1K tokens |
| Released | Dec 2025 | Apr 2026 |
| Modalities | Input FileImageText Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode | Text inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.2-chat | xiaomi/mimo-v2.5-pro |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.2 | MiMo-V2.5-Pro |
|---|---|---|
| GPQA | 90.3%#9 | 86.6%#24 |
| HLE | 35.4%#9 | 33.8%#10 |
| SciCode | 52.1%#9 | 50.2%#11 |
| Output price | $14.00/M#43 | $0.870/M#13 |
| Input price | $1.75/M#35 | $0.435/M#17 |
| Blended price | $4.81/M#62 | $0.544/M#26 |
| Output speed | 72.8 tok/s#71 | 38.7 tok/s#102 |
| Time to first token | 115.69 s#108 | 2.13 s#71 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 | MiMo-V2.5-Pro |
|---|---|---|
Cuz AIWinner: MiMo-V2.5-Pro | GPT-5.2 gpt-5.2 No audit yet | MiMo-V2.5-Pro mimo-v2.5-pro Audit score 83 6910063100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.2 | MiMo-V2.5-Pro |
|---|---|---|
N1N15 tests | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data | MiMo-V2.5-Pro speed / latency N/A / N/A input / output No data |
星见雅 API15 tests | GPT-5.2 speed / latency 52 tok/s / 2671ms input / output No data | MiMo-V2.5-Pro speed / latency N/A / N/A input / output No data |
PackyAPI10 tests | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data | MiMo-V2.5-Pro speed / latency N/A / N/A input / output No data |
小水管 API10 tests | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data | MiMo-V2.5-Pro speed / latency 63 tok/s / 2548ms input / output No data |
ArkAPI (Wind Hub)5 tests | GPT-5.2 speed / latency N/A / N/A input / output No data | MiMo-V2.5-Pro speed / latency 60 tok/s / 1706ms input / output No data |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $0.959/M / $2.88/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.0068/M / $0.0068/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $0.959/M / $2.88/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.010/M / $0.010/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $1.44/M / $4.32/M | |
GPT-5.2 gpt-5.2-all speed / latency No data input / output $0.014/M / $0.014/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $1.92/M / $5.75/M | |
GPT-5.2 gpt-5.2 speed / latency No data input / output $0.034/M / $0.274/M | MiMo-V2.5-Pro mimo-v2.5-pro speed / latency No data input / output $0.137/M / $0.411/M |
This report only uses LMSpeed data for GPT-5.2 and MiMo-V2.5-Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.2 | MiMo-V2.5-Pro |
|---|---|---|
| When to choose each model | GPT-5.2 GPT-5.2 is stronger when you prioritize Average speed, First-token latency, Provider coverage. | MiMo-V2.5-Pro MiMo-V2.5-Pro is stronger when you prioritize Cheapest input price, Recent tests. |
TL;DR: GPT-5.2 leads across 85 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.2 vs MiMo-V2.5-Pro 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.
