Model Comparison

GPT-6 Astra (max)
vs. GLM-5.3 (max)

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

Recommended Pick

Z AI logoGLM-5.3 (max)7 metric wins

Strongest on: Value, Input price, Output price

Best Value

Z AI logo

GLM-5.3 (max)

100.0 value score

44.9 reasoning / $2.15/1M

Lowest Price

Z AI logo

GLM-5.3 (max)

$1.40/1M input price

Best Reasoning

OpenAI logo

GPT-6 Astra (max)

52.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

OpenAI logo

GPT-6 Astra (max)

76.9 coding index

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 7.1x cheaper on input tokens than GPT-6 Astra (max).

Speed gap

GLM-5.3 (max) generates about 1.1x as many tokens per second as GPT-6 Astra (max).

Reasoning gap

GPT-6 Astra (max) leads GLM-5.3 (max) by 7.9 points on reasoning.

Coding gap

GPT-6 Astra (max) leads GLM-5.3 (max) by 2.1 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.

10 comparisons left in 24h
OpenAI logo

GPT-6 Astra (max)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Z AI logo

GLM-5.3 (max)

Z AI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
OpenAI logoGPT-6 Astra (max)
OpenAI
Top Pick
Z AI logoGLM-5.3 (max)
Z AI
Pricing per 1M tokens
Input Cost$10.00/1M$1.40/1M
Output Cost$50.00/1M$4.40/1M
Blended (3:1)$20.00/1M$2.15/1M
Specifications
OrganizationOpenAIZ AI
Release DateSep 3, 2026Aug 18, 2026
Performance & Speed
Throughput54.4 tok/s62.4 tok/s
TTFT323310ms3160ms
Latency323310ms35240ms
Composite Indices
Value Score12.6100.0
Reasoning Score52.844.9
Intelligence52.844.9
Coding76.974.8

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.

GPT-6 Astra (max) has the strongest reasoning profile with a 52.8 reasoning score,combining the available reasoning-heavy benchmarks.

GPT-6 Astra (max) reaches a 76.9 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

OpenAI logo

GPT-6 Astra (max)

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
Z AI logo

GLM-5.3 (max)

  • Cost-sensitive applications
  • High-volume processing