Model Comparison
GLM-5.3 (Max)
vs. Claude Fable 5.2 (Max, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Z AI, Anthropic
Recommended Pick
Z GLM-5.3 (Max)6 metric winsStrongest on: Value, Input price, Output price
Best Value
GLM-5.3 (Max)
100.0 value score
31.7 reasoning / $2.15/1M
Lowest Price
GLM-5.3 (Max)
$1.40/1M input price
Best Reasoning
Claude Fable 5.2 (Max, Default Fallback)
64.6 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
GLM-5.3 (Max) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
GLM-5.3 (Max) is 5.7x cheaper on input tokens than Claude Fable 5.2 (Max, Default Fallback).
Speed gap
Claude Fable 5.2 (Max, Default Fallback) generates about 1.2x as many tokens per second as GLM-5.3 (Max).
Reasoning gap
Claude Fable 5.2 (Max, Default Fallback) leads GLM-5.3 (Max) by 32.9 points on reasoning.
Top-pick rationale
GLM-5.3 (Max) wins 6 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GLM-5.3 (Max)
Z AI
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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Claude Fable 5.2 (Max, Default Fallback)
Anthropic
TTFT
—
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 | Top Pick Z GLM-5.3 (Max) | An Claude Fable 5.2 (Max, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.40/1M | $8.00/1M |
| Output Cost | $4.40/1M | $40.00/1M |
| Blended (3:1) | $2.15/1M | $16.00/1M |
| Specifications | ||
| Organization | Z AI | Anthropic |
| Release Date | Aug 18, 2026 | Nov 9, 2026 |
| Performance & Speed | ||
| Throughput | 80.2 tok/s | 94.0 tok/s |
| TTFT | 1570ms | 249300ms |
| Latency | 26500ms | 249300ms |
| Composite Indices | ||
| Value Score | 100.0 | 27.4 |
| Reasoning Score | 31.7 | 64.6 |
| Intelligence | 31.7 | 64.6 |
Key Takeaways
GLM-5.3 (Max) offers the best value at $1.40/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Fable 5.2 (Max, Default Fallback) has the strongest reasoning profile with a 64.6 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GLM-5.3 (Max)
- Cost-sensitive applications
- High-volume processing
Claude Fable 5.2 (Max, Default Fallback)
- Complex reasoning tasks
- Research & analysis
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