Model Comparison
GLM-5.3 (max)
vs. Gemini 3.8 Flash (high)
Comparing 2 AI models · 0 benchmarks · Z AI, Google
Recommended Pick
Strongest on: Value, Input price, Output price
Best Value
Gemini 3.8 Flash (high)
100.0 value score
58.7 reasoning / $1.50/1M
Lowest Price
Gemini 3.8 Flash (high)
$0.75/1M input price
Best Reasoning
GLM-5.3 (max)
59.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.8 Flash (high)
76.3 coding index
Differences That Matter
Best value
Gemini 3.8 Flash (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.8 Flash (high) is 1.9x cheaper on input tokens than GLM-5.3 (max).
Speed gap
Gemini 3.8 Flash (high) generates about 4.8x as many tokens per second as GLM-5.3 (max).
Reasoning gap
GLM-5.3 (max) leads Gemini 3.8 Flash (high) by 0.8 points on reasoning.
Coding gap
Gemini 3.8 Flash (high) leads GLM-5.3 (max) by 1.5 points on coding.
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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Gemini 3.8 Flash (high)
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?
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Full Comparison
| Metric | Z GLM-5.3 (max) | Top Pick Go Gemini 3.8 Flash (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.40/1M | $0.75/1M |
| Output Cost | $4.40/1M | $3.75/1M |
| Blended (3:1) | $2.15/1M | $1.50/1M |
| Specifications | ||
| Organization | Z AI | |
| Release Date | Aug 18, 2026 | Sep 2, 2026 |
| Performance & Speed | ||
| Throughput | 62.8 tok/s | 304.6 tok/s |
| TTFT | 1990ms | 13390ms |
| Latency | 33830ms | 13390ms |
| Composite Indices | ||
| Value Score | 70.7 | 100.0 |
| Reasoning Score | 59.5 | 58.7 |
| Intelligence | 59.5 | 58.7 |
| Coding | 74.8 | 76.3 |
Key Takeaways
Gemini 3.8 Flash (high) offers the best value at $0.75/1M,making it ideal for high-volume applications and cost-conscious projects.
GLM-5.3 (max) has the strongest reasoning profile with a 59.5 reasoning score,combining the available reasoning-heavy benchmarks.
Gemini 3.8 Flash (high) reaches a 76.3 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
Gemini 3.8 Flash (high)
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development