Key Takeaways
Grok 4 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
GLM 4.6V wins:
- Cheaper input tokens
- Cheaper output tokens
Price Advantage
GLM 4.6V
Benchmark Advantage
Grok 4
Context Window
Grok 4
Speed
Grok 4
Pricing Comparison
Price Comparison
| Metric | Grok 4 | GLM 4.6V | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $3.00 | $0.30 | GLM 4.6V |
| Output (per 1M tokens) | $15.00 | $0.90 | GLM 4.6V |
| Cache Read (per 1M) | $0.75 | $0.05 | GLM 4.6V |
Using a 3:1 input/output ratio, GLM 4.6V is 93% cheaper overall.
Grok 4 Providers
No provider data available
GLM 4.6V Providers
No provider data available
Benchmark Comparison
8
Benchmarks Compared
6
Grok 4 Wins
0
GLM 4.6V Wins
Benchmark Scores
| Benchmark | Grok 4 | GLM 4.6V | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 41.5 | 17.1 | |
Coding Index Code generation & understanding | 40.5 | 11.1 | |
Math Index Mathematical reasoning | 92.7 | 26.3 | |
MMLU Pro Academic knowledge | 86.6 | 75.2 | |
GPQA Graduate-level science | 87.7 | 56.6 | |
LiveCodeBench Competitive programming | 81.9 | 41.1 | |
Aider Real-world code editing | 79.6 | - | - |
AIME Competition math | 94.3 | - | - |
Grok 4 significantly outperforms in coding benchmarks.
Cost vs Quality
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Grok 4
Other models
Context & Performance
Context Window
Grok 4
256,000
tokens
GLM 4.6V
131,072
tokens
Grok 4 has a 49% larger context window.
Speed Performance
| Metric | Grok 4 | GLM 4.6V | Winner |
|---|---|---|---|
| Tokens/second | 48.5 tok/s | 22.9 tok/s | |
| Time to First Token | 9.26s | 4.51s |
Grok 4 responds 112% faster on average.
Capabilities
Feature Comparison
| Feature | Grok 4 | GLM 4.6V |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Grok 4 | GLM 4.6V |
|---|---|---|
| License | Proprietary | Open Source |
| Author | Xai | Z-ai |
| Released | Jul 2025 | Dec 2025 |
Grok 4 Modalities
Input
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Output
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GLM 4.6V Modalities
Input
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Output
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