Key Takeaways
LongCat Flash Chat wins:
- Cheaper input tokens
- Cheaper output tokens
MiniMax M2.1 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
- Supports tool calls
Price Advantage
LongCat Flash Chat
Benchmark Advantage
MiniMax M2.1
Context Window
MiniMax M2.1
Speed
MiniMax M2.1
Pricing Comparison
Price Comparison
| Metric | LongCat Flash Chat | MiniMax M2.1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.20 | $0.27 | LongCat Flash Chat |
| Output (per 1M tokens) | $0.80 | $1.10 | LongCat Flash Chat |
| Cache Read (per 1M) | $200000.00 | N/A | LongCat Flash Chat |
Using a 3:1 input/output ratio, LongCat Flash Chat is 27% cheaper overall.
LongCat Flash Chat Providers
AtlasCloud $0.20 (Cheapest)
MiniMax M2.1 Providers
Chutes $0.27 (Cheapest)
DeepInfra $0.28
AtlasCloud $0.29
SiliconFlow $0.29
Minimax $0.30
Benchmark Comparison
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Benchmarks Compared
0
LongCat Flash Chat Wins
0
MiniMax M2.1 Wins
Benchmark Scores
| Benchmark | LongCat Flash Chat | MiniMax M2.1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 39.5 | - |
Coding Index Code generation & understanding | - | 32.8 | - |
Math Index Mathematical reasoning | - | 82.7 | - |
MMLU Pro Academic knowledge | - | 87.5 | - |
GPQA Graduate-level science | - | 83.0 | - |
LiveCodeBench Competitive programming | - | 81.0 | - |
MiniMax M2.1 significantly outperforms in coding benchmarks.
Cost vs Quality
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Other models
Context & Performance
Context Window
LongCat Flash Chat
131,072
tokens
Max output: 32,768 tokens
MiniMax M2.1
196,608
tokens
Max output: 196,608 tokens
MiniMax M2.1 has a 33% larger context window.
Speed Performance
| Metric | LongCat Flash Chat | MiniMax M2.1 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 68.1 tok/s | |
| Time to First Token | N/A | 1.45s |
Capabilities
Feature Comparison
| Feature | LongCat Flash Chat | MiniMax M2.1 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | LongCat Flash Chat | MiniMax M2.1 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Meituan | Minimax |
| Released | Sep 2025 | Dec 2025 |
LongCat Flash Chat Modalities
Input
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Output
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MiniMax M2.1 Modalities
Input
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Output
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