Model comparison

GLM-5.2 vs GLM-5.3

Compare GLM-5.2 vs GLM-5.3 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

GLM-5.2

cloudflare · glm-5.2

Input
$1.4
Output
$4.4
Context
262.1K

GLM-5.3

cloudflare · glm-5.3

Input
$1.4
Output
$4.4
Context
1M

Quick take

GLM-5.2 has the lower input price at $1.4 per 1M input tokens. GLM-5.2 is cheaper for the example blended workload below. GLM-5.3 has the larger context window at 1M tokens.

Choose GLM-5.2 if...

  • GLM-5.2 is the better default for cost-sensitive traffic and repeated high-volume calls.

Choose GLM-5.3 if...

  • GLM-5.3 is the better default for cost-sensitive traffic and repeated high-volume calls.
  • GLM-5.3 is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.

Example workload cost

Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.

Workload GLM-5.2 GLM-5.3 Cheaper
1M input + 200K output $2.28 $2.28 GLM-5.2
10M input + 2M output $22.80 $22.80 GLM-5.2
100M input + 20M output $228.00 $228.00 GLM-5.2

Context, output, and capability fit

GLM-5.3 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

GLM-5.2 max output
n/a
GLM-5.3 max output
n/a
GLM-5.2 features
prompt caching, function calling
GLM-5.3 features
prompt caching, function calling

Risk notes for GLM-5.2

  • No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.

Risk notes for GLM-5.3

  • No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.

Routing tags

frontierreasoningcodingagentslong-contextopen-weightcache-friendlyraglocal-open

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