Key Takeaways
ERNIE 4.5 21B A3B Thinking wins:
- Cheaper input tokens
- Cheaper output tokens
- Has reasoning mode
- Supports tool calls
MiMo-V2-Flash wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
ERNIE 4.5 21B A3B Thinking
Benchmark Advantage
MiMo-V2-Flash
Context Window
MiMo-V2-Flash
Speed
MiMo-V2-Flash
Pricing Comparison
Price Comparison
| Metric | ERNIE 4.5 21B A3B Thinking | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.07 | $0.09 | ERNIE 4.5 21B A3B Thinking |
| Output (per 1M tokens) | $0.28 | $0.29 | ERNIE 4.5 21B A3B Thinking |
| Cache Read (per 1M) | N/A | $45000.00 | MiMo-V2-Flash |
Using a 3:1 input/output ratio, ERNIE 4.5 21B A3B Thinking is 13% cheaper overall.
ERNIE 4.5 21B A3B Thinking Providers
Novita $0.07 (Cheapest)
MiMo-V2-Flash Providers
Chutes $0.09 (Cheapest)
AtlasCloud $0.10
Xiaomi $0.10
Novita $0.10
Benchmark Comparison
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Benchmarks Compared
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ERNIE 4.5 21B A3B Thinking Wins
0
MiMo-V2-Flash Wins
Benchmark Scores
| Benchmark | ERNIE 4.5 21B A3B Thinking | MiMo-V2-Flash | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 30.6 | - |
Coding Index Code generation & understanding | - | 25.8 | - |
Math Index Mathematical reasoning | - | 67.7 | - |
MMLU Pro Academic knowledge | - | 74.4 | - |
GPQA Graduate-level science | - | 65.6 | - |
LiveCodeBench Competitive programming | - | 40.2 | - |
MiMo-V2-Flash significantly outperforms in coding benchmarks.
Cost vs Quality
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Other models
Context & Performance
Context Window
ERNIE 4.5 21B A3B Thinking
131,072
tokens
Max output: 65,536 tokens
MiMo-V2-Flash
262,144
tokens
Max output: 65,536 tokens
MiMo-V2-Flash has a 50% larger context window.
Speed Performance
| Metric | ERNIE 4.5 21B A3B Thinking | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Tokens/second | N/A | 141.8 tok/s | |
| Time to First Token | N/A | 1.19s |
Capabilities
Feature Comparison
| Feature | ERNIE 4.5 21B A3B Thinking | MiMo-V2-Flash |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | ERNIE 4.5 21B A3B Thinking | MiMo-V2-Flash |
|---|---|---|
| License | Open Source | Open Source |
| Author | Baidu | Xiaomi |
| Released | Oct 2025 | Dec 2025 |
ERNIE 4.5 21B A3B Thinking Modalities
Input
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Output
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MiMo-V2-Flash Modalities
Input
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Output
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