Model Comparison

GLM-5.3 (max)
vs. Gemini 3.8 Flash (high)

Comparing 2 AI models · 0 benchmarks · Z AI, Google

Recommended Pick

Google logoGemini 3.8 Flash (high)7 metric wins

Strongest on: Value, Input price, Output price

Best Value

Google logo

Gemini 3.8 Flash (high)

100.0 value score

58.7 reasoning / $1.50/1M

Lowest Price

Google logo

Gemini 3.8 Flash (high)

$0.75/1M input price

Best Reasoning

Z AI logo

GLM-5.3 (max)

59.5 reasoning score

Blends available reasoning benchmarks

Best for Coding

Google logo

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.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

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Z AI logo

GLM-5.3 (max)

Z AI

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TTFT

Time

tok/s

Tokens

Cost

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Google logo

Gemini 3.8 Flash (high)

Google

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TTFT

Time

tok/s

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Cost

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Full Comparison

Metric
Z AI logoGLM-5.3 (max)
Z AI
Top Pick
Google logoGemini 3.8 Flash (high)
Google
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
OrganizationZ AIGoogle
Release DateAug 18, 2026Sep 2, 2026
Performance & Speed
Throughput62.8 tok/s304.6 tok/s
TTFT1990ms13390ms
Latency33830ms13390ms
Composite Indices
Value Score70.7100.0
Reasoning Score59.558.7
Intelligence59.558.7
Coding74.876.3

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

Z AI logo

GLM-5.3 (max)

  • Complex reasoning tasks
  • Research & analysis
Google logo

Gemini 3.8 Flash (high)

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development