Key Takeaways
x-ai/grok-4.20-beta wins:
- No clear advantages in compared metrics
MiMo v2 Pro wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
Price Advantage
MiMo v2 Pro
Benchmark Advantage
MiMo v2 Pro
Context Window
MiMo v2 Pro
Speed
MiMo v2 Pro
Pricing Comparison
Price Comparison
| Metric | x-ai/grok-4.20-beta | MiMo v2 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $2.00 | $1.00 | MiMo v2 Pro |
| Output (per 1M tokens) | $6.00 | $3.00 | MiMo v2 Pro |
| Cache Read (per 1M) | $0.20 | $0.20 | Tie |
Using a 3:1 input/output ratio, MiMo v2 Pro is 50% cheaper overall.
x-ai/grok-4.20-beta Providers
No provider data available
MiMo v2 Pro Providers
No provider data available
Benchmark Comparison
3
Benchmarks Compared
0
x-ai/grok-4.20-beta Wins
0
MiMo v2 Pro Wins
Benchmark Scores
| Benchmark | x-ai/grok-4.20-beta | MiMo v2 Pro | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 49.2 | - |
Coding Index Code generation & understanding | - | 41.4 | - |
GPQA Graduate-level science | - | 87.0 | - |
MiMo v2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Other models
Context & Performance
Context Window
x-ai/grok-4.20-beta
N/A
tokens
MiMo v2 Pro
N/A
tokens
Speed Performance
| Metric | x-ai/grok-4.20-beta | MiMo v2 Pro | Winner |
|---|---|---|---|
| Tokens/second | N/A | 0.0 tok/s | |
| Time to First Token | N/A | 0.00s |
Capabilities
Feature Comparison
| Feature | x-ai/grok-4.20-beta | MiMo v2 Pro |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | x-ai/grok-4.20-beta | MiMo v2 Pro |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | X Ai | Xiaomi |
x-ai/grok-4.20-beta Modalities
Input
Output
MiMo v2 Pro Modalities
Input
Output