Model Comparison
GPT-4.1 nano
vs. MiMo-V2.5-Pro
Comparing 2 AI models · 12 benchmarks · OpenAI, Xiaomi
Recommended Pick
Xi MiMo-V2.5-Pro 10 metric wins Strongest on: Reasoning, Intelligence, Coding
Best Value
GPT-4.1 nano
100.0 value score
32.1 reasoning / $0.18/1M
Lowest Price
GPT-4.1 nano
$0.10/1M input price
Best Reasoning
MiMo-V2.5-Pro
58.1 reasoning score
Blends available reasoning benchmarks
Best for Coding
MiMo-V2.5-Pro
45.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
GPT-4.1 nano has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
GPT-4.1 nano is 4.4x cheaper on input tokens than MiMo-V2.5-Pro.
Speed gap
GPT-4.1 nano generates about 3.9x as many tokens per second as MiMo-V2.5-Pro.
Reasoning gap
MiMo-V2.5-Pro leads GPT-4.1 nano by 26.0 points on reasoning.
Coding gap
MiMo-V2.5-Pro leads GPT-4.1 nano by 34.3 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-4.1 nano
OpenAI
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
MiMo-V2.5-Pro
Xiaomi
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Op GPT-4.1 nano | Top Pick Xi MiMo-V2.5-Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.43/1M |
| Output Cost | $0.40/1M | $0.87/1M |
| Blended (3:1) | $0.18/1M | $0.54/1M |
| Specifications | ||
| Organization | OpenAI | Xiaomi |
| Release Date | Apr 14, 2025 | Apr 22, 2026 |
| Performance & Speed | ||
| Throughput | 151.2 tok/s | 38.7 tok/s |
| TTFT | 468ms | 2066ms |
| Latency | 468ms | 53807ms |
| Composite Indices | ||
| Value Score | 100.0 | 58.3 |
| Reasoning Score | 32.1 | 58.1 |
| Intelligence | 13.0 | 53.8 |
| Coding | 11.2 | 45.5 |
| Math | 24.0 | — |
| Standard Benchmarks | ||
| GPQA | 51.2% | 86.6% |
| MMLU Pro | 65.7% | — |
| HLE | 3.9% | 33.8% |
| LiveCodeBench | 32.6% | — |
| MATH 500 | 84.8% | — |
| AIME 2025 | 24.0% | — |
| AIME (Original) | 23.7% | — |
| SciCode | 25.9% | 50.2% |
| LCR | 17.0% | 73.3% |
| IFBench | 32.0% | 79.9% |
| TAU-bench v2 | 17.3% | 94.2% |
| TerminalBench Hard | 3.8% | 43.2% |
Key Takeaways
GPT-4.1 nano offers the best value at $0.10/1M, making it ideal for high-volume applications and cost-conscious projects.
MiMo-V2.5-Pro has the strongest reasoning profile with a 58.1 reasoning score, combining the available reasoning-heavy benchmarks.
MiMo-V2.5-Pro reaches a 45.5 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GPT-4.1 nano
- Cost-sensitive applications
- High-volume processing
MiMo-V2.5-Pro
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
