Key Takeaways
DeepSeek V3.1 Terminus wins:
- Cheaper input tokens
- Larger context window
- Better at coding
Grok 3 Mini wins:
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at math
Price Advantage
DeepSeek V3.1 Terminus
Benchmark Advantage
Grok 3 Mini
Context Window
DeepSeek V3.1 Terminus
Speed
Grok 3 Mini
Pricing Comparison
Price Comparison
| Metric | DeepSeek V3.1 Terminus | Grok 3 Mini | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.21 | $0.25 | DeepSeek V3.1 Terminus |
| Output (per 1M tokens) | $0.79 | $0.50 | Grok 3 Mini |
| Cache Read (per 1M) | $0.12 | $0.07 | Grok 3 Mini |
Using a 3:1 input/output ratio, Grok 3 Mini is 12% cheaper overall.
DeepSeek V3.1 Terminus Providers
No provider data available
Grok 3 Mini Providers
No provider data available
Benchmark Comparison
7
Benchmarks Compared
2
DeepSeek V3.1 Terminus Wins
4
Grok 3 Mini Wins
Benchmark Scores
| Benchmark | DeepSeek V3.1 Terminus | Grok 3 Mini | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 28.5 | 32.1 | |
Coding Index Code generation & understanding | 31.9 | 25.2 | |
Math Index Mathematical reasoning | 53.7 | 84.7 | |
MMLU Pro Academic knowledge | 83.6 | 82.8 | |
GPQA Graduate-level science | 75.1 | 79.1 | |
LiveCodeBench Competitive programming | 52.9 | 69.6 | |
AIME Competition math | - | 93.3 | - |
DeepSeek V3.1 Terminus significantly outperforms in coding benchmarks.
Cost vs Quality
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DeepSeek V3.1 Terminus
Other models
Context & Performance
Context Window
DeepSeek V3.1 Terminus
163,840
tokens
Grok 3 Mini
131,072
tokens
DeepSeek V3.1 Terminus has a 20% larger context window.
Speed Performance
| Metric | DeepSeek V3.1 Terminus | Grok 3 Mini | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 196.6 tok/s | |
| Time to First Token | 0.00s | 0.47s |
Grok 3 Mini responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | DeepSeek V3.1 Terminus | Grok 3 Mini |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | DeepSeek V3.1 Terminus | Grok 3 Mini |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Deepseek | Xai |
| Released | Sep 2025 | Jun 2025 |
DeepSeek V3.1 Terminus Modalities
Input
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Output
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Grok 3 Mini Modalities
Input
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Output
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