Updated March 25, 2026· Based on independent benchmark data
OpenAI: GPT-5.2-Codex leads in intelligence with a score of 54.0 vs 49.2. Xiaomi: MiMo-V2-Pro is 1.8x cheaper at $1.00/1M tokens vs $1.75/1M. For speed, OpenAI: GPT-5.2-Codex wins at 68 tok/s vs 0 tok/s.
| Metric | Xiaomi: MiMo-V2-Pro | OpenAI: GPT-5.2-Codex |
|---|---|---|
| Intelligence Score | 49.2 | 54.0 |
| Coding Score | 41.4 | 53.1 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 0 tok/s | 68 tok/s |
| Latency (TTFT) | 0.00s | 75.14s |
| Input Price / 1M tokens | $1.00 | $1.75 |
| Output Price / 1M tokens | $3.00 | $14 |
| Context Window | 1.0M |
OpenAI: GPT-5.2-Codex outperforms Xiaomi: MiMo-V2-Pro on the intelligence index with a score of 54.0 compared to 49.2. For coding tasks, OpenAI: GPT-5.2-Codex has the edge with a coding score of 53.1 vs 41.4.
OpenAI: GPT-5.2-Codex generates output significantly faster at 68 tok/s compared to Xiaomi: MiMo-V2-Pro's 0 tok/s, making it Infinityx faster for streaming responses. Time to first token is 0.00s for Xiaomi: MiMo-V2-Pro vs 75.14s for OpenAI: GPT-5.2-Codex, which affects perceived responsiveness in interactive applications.
Xiaomi: MiMo-V2-Pro is more affordable at $1.00/1M input tokens ($3.00/1M output), while OpenAI: GPT-5.2-Codex costs $1.75/1M input ($14/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Xiaomi: MiMo-V2-Pro would cost approximately $6.00/month vs $10.50/month for OpenAI: GPT-5.2-Codex in input costs alone.
Xiaomi: MiMo-V2-Pro offers a larger context window at 1.0M tokens compared to OpenAI: GPT-5.2-Codex's 400K. This means Xiaomi: MiMo-V2-Pro can process roughly 524 pages of text in a single request vs 200 pages for OpenAI: GPT-5.2-Codex. For output length, Xiaomi: MiMo-V2-Pro can generate up to 131K tokens per response vs 128K for OpenAI: GPT-5.2-Codex.
Choose Xiaomi: MiMo-V2-Pro when you need lower cost, larger context window (1.0M). Choose OpenAI: GPT-5.2-Codex when you need higher intelligence (54.0), stronger coding performance (53.1), faster output (68 tok/s).
OpenAI: GPT-5.2-Codex scores higher on coding benchmarks (53.1 vs 41.4), making it the better choice for programming tasks.
Xiaomi: MiMo-V2-Pro is cheaper at $1.00/1M input tokens vs $1.75/1M for OpenAI: GPT-5.2-Codex.
OpenAI: GPT-5.2-Codex is faster, producing output at 68 tok/s compared to Xiaomi: MiMo-V2-Pro's 0 tok/s.
No, Xiaomi: MiMo-V2-Pro does not support image input. However, OpenAI: GPT-5.2-Codex does support images.
Data last synced: March 25, 2026
| 400K |
| Max Output Tokens | 131K | 128K |
| Input Modalities | Text | Text + Image |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Xiaomi: MiMo-V2-Pro has a larger context window at 1.0M compared to OpenAI: GPT-5.2-Codex's 400K.
It depends on your priorities. OpenAI: GPT-5.2-Codex scores higher on intelligence (54.0), but Xiaomi: MiMo-V2-Pro may be better for specific use cases like budget-conscious projects or speed-critical applications.