Key Takeaways
DeepSeek V3.1 wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
GLM 4.5 wins:
- Larger context window
Price Advantage
DeepSeek V3.1
Benchmark Advantage
DeepSeek V3.1
Context Window
GLM 4.5
Speed
DeepSeek V3.1
Pricing Comparison
Price Comparison
| Metric | DeepSeek V3.1 | GLM 4.5 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.15 | $0.55 | DeepSeek V3.1 |
| Output (per 1M tokens) | $0.75 | $2.00 | DeepSeek V3.1 |
Using a 3:1 input/output ratio, DeepSeek V3.1 is 67% cheaper overall.
DeepSeek V3.1 Providers
Chutes $0.20 (Cheapest)
DeepInfra $0.21
SiliconFlow $0.27
Novita $0.27
AtlasCloud $0.30
GLM 4.5 Providers
WandB $0.55 (Cheapest)
Z.AI $0.60
Nebius $0.60
Novita $0.60
Benchmark Comparison
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Benchmarks Compared
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DeepSeek V3.1 Wins
0
GLM 4.5 Wins
Benchmark Scores
| Benchmark | DeepSeek V3.1 | GLM 4.5 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 28.1 | - | - |
Coding Index Code generation & understanding | 28.4 | - | - |
Math Index Mathematical reasoning | 49.7 | - | - |
MMLU Pro Academic knowledge | 83.3 | - | - |
GPQA Graduate-level science | 73.5 | - | - |
LiveCodeBench Competitive programming | 57.7 | - | - |
DeepSeek V3.1 significantly outperforms in coding benchmarks.
Cost vs Quality
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Y-axis:
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DeepSeek V3.1
Other models
Context & Performance
Context Window
DeepSeek V3.1
32,768
tokens
Max output: 7,168 tokens
GLM 4.5
131,000
tokens
Max output: 131,000 tokens
GLM 4.5 has a 75% larger context window.
Speed Performance
| Metric | DeepSeek V3.1 | GLM 4.5 | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | N/A | |
| Time to First Token | 0.00s | N/A |
Capabilities
Feature Comparison
| Feature | DeepSeek V3.1 | GLM 4.5 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | DeepSeek V3.1 | GLM 4.5 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Deepseek | Z-ai |
| Released | Aug 2025 | Jul 2025 |
DeepSeek V3.1 Modalities
Input
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Output
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GLM 4.5 Modalities
Input
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Output
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