Key Takeaways
GPT-5 Nano wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Supports vision
MiMo-V2-Flash wins:
- Cheaper output tokens
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
GPT-5 Nano
Benchmark Advantage
MiMo-V2-Flash
Context Window
GPT-5 Nano
Speed
GPT-5 Nano
Pricing Comparison
Price Comparison
| Metric | GPT-5 Nano | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.05 | $0.09 | GPT-5 Nano |
| Output (per 1M tokens) | $0.40 | $0.29 | MiMo-V2-Flash |
| Cache Read (per 1M) | $0.01 | $0.01 | GPT-5 Nano |
Using a 3:1 input/output ratio, GPT-5 Nano is 2% cheaper overall.
GPT-5 Nano Providers
No provider data available
MiMo-V2-Flash Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
1
GPT-5 Nano Wins
5
MiMo-V2-Flash Wins
Benchmark Scores
| Benchmark | GPT-5 Nano | MiMo-V2-Flash | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 13.8 | 30.4 | |
Coding Index Code generation & understanding | 14.2 | 25.8 | |
Math Index Mathematical reasoning | 27.3 | 67.7 | |
MMLU Pro Academic knowledge | 55.6 | 74.4 | |
GPQA Graduate-level science | 42.8 | 65.6 | |
LiveCodeBench Competitive programming | 47.0 | 40.2 |
MiMo-V2-Flash significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
GPT-5 Nano
Other models
Context & Performance
Context Window
GPT-5 Nano
400,000
tokens
MiMo-V2-Flash
262,144
tokens
GPT-5 Nano has a 34% larger context window.
Speed Performance
| Metric | GPT-5 Nano | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Tokens/second | 158.4 tok/s | 134.8 tok/s | |
| Time to First Token | 0.70s | 1.72s |
GPT-5 Nano responds 17% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-5 Nano | MiMo-V2-Flash |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5 Nano | MiMo-V2-Flash |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Xiaomi |
| Released | Aug 2025 | Dec 2025 |
GPT-5 Nano Modalities
Input
textimagefile
Output
text
MiMo-V2-Flash Modalities
Input
text
Output
text