Model Comparison
Grok 4.5 (high)
vs. GLM-5.2 (max)
Comparing 2 AI models · 7 benchmarks · SpaceXAI, Z AI
Recommended Pick
Z GLM-5.2 (max)8 metric winsStrongest on: Value, Input price, Output price
Best Value
GLM-5.2 (max)
100.0 value score
60.2 reasoning / $2.15/1M
Lowest Price
GLM-5.2 (max)
$1.40/1M input price
Best Reasoning
Grok 4.5 (high)
62.4 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok 4.5 (high)
72.4 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
GLM-5.2 (max) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
GLM-5.2 (max) is 1.4x cheaper on input tokens than Grok 4.5 (high).
Speed gap
GLM-5.2 (max) generates about 1.8x as many tokens per second as Grok 4.5 (high).
Reasoning gap
Grok 4.5 (high) leads GLM-5.2 (max) by 2.2 points on reasoning.
Coding gap
Grok 4.5 (high) leads GLM-5.2 (max) by 3.6 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Grok 4.5 (high)
SpaceXAI
TTFT
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Time
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tok/s
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Tokens
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Cost
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GLM-5.2 (max)
Z AI
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Sp Grok 4.5 (high) | Top Pick Z GLM-5.2 (max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $1.40/1M |
| Output Cost | $6.00/1M | $4.40/1M |
| Blended (3:1) | $3.00/1M | $2.15/1M |
| Specifications | ||
| Organization | SpaceXAI | Z AI |
| Release Date | Jul 8, 2026 | Jun 16, 2026 |
| Performance & Speed | ||
| Throughput | 116.8 tok/s | 210.6 tok/s |
| TTFT | 14144ms | 808ms |
| Latency | 14144ms | 10304ms |
| Composite Indices | ||
| Value Score | 74.2 | 100.0 |
| Reasoning Score | 62.4 | 60.2 |
| Intelligence | 53.8 | 51.1 |
| Coding | 72.4 | 68.8 |
| Standard Benchmarks | ||
| GPQA | 93.1% | 89.5% |
| HLE | 40.3% | 40.1% |
| SciCode | 54.1% | 50.5% |
| LCR | 67.7% | 71.3% |
| IFBench | — | 73.3% |
| TAU-bench v2 | — | 99.1% |
| TerminalBench Hard | — | 50.8% |
Key Takeaways
GLM-5.2 (max) offers the best value at $1.40/1M,making it ideal for high-volume applications and cost-conscious projects.
Grok 4.5 (high) has the strongest reasoning profile with a 62.4 reasoning score,combining the available reasoning-heavy benchmarks.
Grok 4.5 (high) reaches a 72.4 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Grok 4.5 (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
GLM-5.2 (max)
- Cost-sensitive applications
- High-volume processing
