Model Comparison
GLM-5.3 (max)
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Z AI, StepFun
Recommended Pick
StStep 5 Preview7 metric winsStrongest on: Value, Input price, Output price
Best Value
Step 5 Preview
100.0 value score
43.7 reasoning / $1.43/1M
Lowest Price
Step 5 Preview
$1.00/1M input price
Best Reasoning
GLM-5.3 (max)
44.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
GLM-5.3 (max)
74.8 coding index
Differences That Matter
Best value
Step 5 Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Step 5 Preview is 1.4x cheaper on input tokens than GLM-5.3 (max).
Speed gap
Step 5 Preview generates about 1.4x as many tokens per second as GLM-5.3 (max).
Reasoning gap
GLM-5.3 (max) leads Step 5 Preview by 1.1 points on reasoning.
Top-pick rationale
Step 5 Preview wins 7 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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Step 5 Preview
StepFun
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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Which answer was more useful?
Secure AI Chat made in Europe
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Z GLM-5.3 (max) | Top Pick St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.40/1M | $1.00/1M |
| Output Cost | $4.40/1M | $2.70/1M |
| Blended (3:1) | $2.15/1M | $1.43/1M |
| Specifications | ||
| Organization | Z AI | StepFun |
| Release Date | Aug 18, 2026 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | 72.1 tok/s | 99.8 tok/s |
| TTFT | 2990ms | 2960ms |
| Latency | 30720ms | 23010ms |
| Composite Indices | ||
| Value Score | 67.9 | 100.0 |
| Reasoning Score | 44.8 | 43.7 |
| Intelligence | 44.8 | 43.7 |
| Coding | 74.8 | — |
Key Takeaways
Step 5 Preview offers the best value at $1.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GLM-5.3 (max) has the strongest reasoning profile with a 44.8 reasoning score,combining the available reasoning-heavy benchmarks.
GLM-5.3 (max) reaches a 74.8 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
GLM-5.3 (max)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Step 5 Preview
- Cost-sensitive applications
- High-volume processing
