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Comparison · AI Models & LLMs

GLM-5.3 vs GLM-5

The same method as our rankings: scores from the engine, sourced data, verified prices.

Z.ai GLM-5 — drawn card, not a photograph of the product

GLM-5

Z.ai

Full sheet →

71.3/100

SWE-bench accuracy
72.8%
Context window
200k tokens
Maximum output
128k tokens
Input cost per 1M tokens
$1.00
Z.ai GLM-5.3 — drawn card, not a photograph of the product

GLM-5.3

Z.ai

Full sheet →
Context window
1M tokens
Maximum output
128k tokens
Input cost per 1M tokens
$1.40
Output cost per 1M tokens
$4.40

The numbers side by side

Each bar is the product's verified figure; on every row the longer bar is the higher of the two values.

  • Context windowhigher is better
    GLM-5200k tokens
    GLM-5.31M tokens
  • Maximum outputhigher is better
    GLM-5128k tokens
    GLM-5.3128k tokens
  • Input cost per 1M tokenslower is better
    GLM-5$1.00
    GLM-5.3$1.40
  • Cached input cost per 1M tokenslower is better
    GLM-5$0.20
    GLM-5.3$0.26
  • Output cost per 1M tokenslower is better
    GLM-5$3.20
    GLM-5.3$4.40

Who wins where

  • For long documentsGLM-5.3Context window
  • Cheaper to readGLM-5Input cost per 1M tokens
  • Cheaper to writeGLM-5Output cost per 1M tokens

Data sheet side by side

Performance

SWE-bench accuracy72.8%Not stated

Memory and answer length

Context window200k tokens✓1M tokens400% more
Maximum output128k tokens128k tokens

API prices

Input cost per 1M tokens✓$1.0029% less$1.40
Cached input cost per 1M tokens✓$0.2023% less$0.26
Output cost per 1M tokens✓$3.2027% less$4.40

Size and openness

Parameters744 billion753 billion
Active parameters per token40 billionNot stated
Open weights (downloadable)YesYes

What a month costs

Change the volumes: the cost is worked out from the verified list prices above.

GLM-5$3.60per month · $43.20 per yearThe cheaper one — you save $1.40 per month
GLM-5.3$5.00per month · $60.00 per year

The scenarios are only starting points to edit, not data about your use. List prices without discounts, time-of-day rates or taxes.

Questions and answers

For long documents: GLM-5 or GLM-5.3?

GLM-5.3: 1M tokens against 200k tokens (Context window).

Cheaper to read: GLM-5 or GLM-5.3?

GLM-5: $1.00 against $1.40 (Input cost per 1M tokens).

Cheaper to write: GLM-5 or GLM-5.3?

GLM-5: $3.20 against $4.40 (Output cost per 1M tokens).

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