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LANGUAGE & CODING / Z.ai

GLM-5.3

Text-only reasoning, complex coding, and long-running agents.

Checked 2026-10-05CodingAgents & toolsReasoning

PRICE / USD

$1.4

Per 1 million output tokens · input billed separately

Input / 1M tokens
$1.4
Output / 1M tokens
$4.4
Cached input / 1M tokens
$0.26
Cache write / 1M tokens
Not verified
Z.ai API · listed USD rates

Cached storage is listed as temporarily free. Future storage charges are not estimated here.

Z.ai API pricing ↗

SPEED & CAPABILITIES

Not benchmarked

No speed classification verified for this version and serving tier. This does not mean it is slow.

Model score
45
Our own output-speed measurement
Not measured
Context window
1,000,000
API model ID
glm-5.3

Artificial Analysis tested GLM-5.3 · max. This mostly English, text-based index is not a guarantee of performance on your workload. Artificial Analysis · GLM-5.3 · max ↗

Reasoning is always enabled. Supports low, high, and max effort; image input is not supported.

Suggested starting role: complex planning. Always-on reasoning, complex coding, and long-running agent support make GLM a lower-cost planning candidate. It is text-only, so choose another model if the task needs image input. This is editorial guidance, not a benchmark score.

Prices are USD per million native tokens, with input and output billed separately. Extra reasoning tokens, retries, tool calls, cache writes, storage, and taxes can change the bill. Use-case tags reflect our reading of official capabilities, not measured rankings.

Sources & methodology

GLM-5.3 model ↗ Checked 2026-10-05

Z.ai API pricing ↗ Checked 2026-10-05

Artificial Analysis · GLM-5.3 · max ↗ Checked 2026-10-05

Artificial Analysis · Intelligence Index methodology v4.3.2 ↗ Checked 2026-10-05

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