Updated March 25, 2026· Based on independent benchmark data
OpenAI: GPT-5.2 Chat leads in intelligence with a score of 51.3 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 Chat wins at 69 tok/s vs 0 tok/s.
| Metric | OpenAI: GPT-5.2 Chat | Xiaomi: MiMo-V2-Pro |
|---|---|---|
| Intelligence Score | 51.3 | 49.2 |
| Coding Score | 48.7 | 41.4 |
| Math Score | 99.0 | N/A |
| Speed (tok/s) | 69 tok/s | 0 tok/s |
| Latency (TTFT) | 72.74s | 0.00s |
| Input Price / 1M tokens | $1.75 | $1.00 |
| Output Price / 1M tokens | $14 | $3.00 |
| Context Window | 128K |
OpenAI: GPT-5.2 Chat outperforms Xiaomi: MiMo-V2-Pro on the Artificial Analysis intelligence index with a score of 51.3 compared to 49.2. For coding tasks, OpenAI: GPT-5.2 Chat has the edge with a coding score of 48.7 vs 41.4.
OpenAI: GPT-5.2 Chat generates output significantly faster at 69 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 72.74s for OpenAI: GPT-5.2 Chat, 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 Chat costs $1.75/1M input ($14/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-5.2 Chat would cost approximately $10.50/month vs $6.00/month for Xiaomi: MiMo-V2-Pro in input costs alone.
Xiaomi: MiMo-V2-Pro offers a larger context window at 1.0M tokens compared to OpenAI: GPT-5.2 Chat's 128K. This means Xiaomi: MiMo-V2-Pro can process roughly 524 pages of text in a single request vs 64 pages for OpenAI: GPT-5.2 Chat. For output length, Xiaomi: MiMo-V2-Pro can generate up to 131K tokens per response vs 16K for OpenAI: GPT-5.2 Chat.
Choose OpenAI: GPT-5.2 Chat when you need higher intelligence (51.3), stronger coding performance (48.7), faster output (69 tok/s). Choose Xiaomi: MiMo-V2-Pro when you need lower cost, larger context window (1.0M).
OpenAI: GPT-5.2 Chat scores higher on coding benchmarks (48.7 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 Chat.
OpenAI: GPT-5.2 Chat is faster, producing output at 69 tok/s compared to Xiaomi: MiMo-V2-Pro's 0 tok/s.
Yes, OpenAI: GPT-5.2 Chat supports image input. Xiaomi: MiMo-V2-Pro does not support image input.
Benchmark data by Artificial Analysis
Data last synced: March 25, 2026
| 1.0M |
| Max Output Tokens | 16K | 131K |
| Input Modalities | File + Image + Text | Text |
| 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 Chat's 128K.
It depends on your priorities. OpenAI: GPT-5.2 Chat scores higher on intelligence (51.3), but Xiaomi: MiMo-V2-Pro may be better for specific use cases like budget-conscious projects or speed-critical applications.