Key Takeaways
Step 3.5 Flash wins:
- No clear advantages in compared metrics
MiMo-V2-Flash wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
MiMo-V2-Flash
Benchmark Advantage
MiMo-V2-Flash
Context Window
MiMo-V2-Flash
Speed
MiMo-V2-Flash
Pricing Comparison
Price Comparison
| Metric | Step 3.5 Flash | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.10 | $0.09 | MiMo-V2-Flash |
| Output (per 1M tokens) | $0.30 | $0.29 | MiMo-V2-Flash |
| Cache Read (per 1M) | $20000.00 | $45000.00 | Step 3.5 Flash |
Using a 3:1 input/output ratio, MiMo-V2-Flash is 7% cheaper overall.
Step 3.5 Flash Providers
No provider data available
MiMo-V2-Flash Providers
Chutes $0.09 (Cheapest)
AtlasCloud $0.10
Xiaomi $0.10
Novita $0.10
Benchmark Comparison
6
Benchmarks Compared
0
Step 3.5 Flash Wins
0
MiMo-V2-Flash Wins
Benchmark Scores
| Benchmark | Step 3.5 Flash | 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
X-axis:
Y-axis:
Loading chart...
Other models
Context & Performance
Context Window
Step 3.5 Flash
256,000
tokens
Max output: 256,000 tokens
MiMo-V2-Flash
262,144
tokens
MiMo-V2-Flash has a 2% larger context window.
Speed Performance
| Metric | Step 3.5 Flash | MiMo-V2-Flash | Winner |
|---|---|---|---|
| Tokens/second | N/A | 132.9 tok/s | |
| Time to First Token | N/A | 1.31s |
Capabilities
Feature Comparison
| Feature | Step 3.5 Flash | MiMo-V2-Flash |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Step 3.5 Flash | MiMo-V2-Flash |
|---|---|---|
| License | Proprietary | Open Source |
| Author | Stepfun-ai | Xiaomi |
| Released | Jan 2026 | Dec 2025 |
Step 3.5 Flash Modalities
Input
text
Output
text
MiMo-V2-Flash Modalities
Input
text
Output
text