Z.ai: GLM 5.3

Pricing, context window and lifecycle for z-ai/glm-5.3, tracked from what the vendor publishes.

Price per million tokens

Input	$1.40
Output	$4.40
Cache price (read)	$0.260
Max price	$4.40

Facts

Model ID	z-ai/glm-5.3
Vendor	Z.ai
Token limit (context window)	1,310,720 tokens
Knowledge cutoff	-
End of life	none published

Supported parameters

frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, parallel_tool_calls, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p

Other Z.ai models

z-ai/glm-4.5 $0.600 in / $2.20 out
z-ai/glm-4.5-air $0.130 in / $0.850 out
z-ai/glm-4.5v $0.600 in / $1.80 out
z-ai/glm-4.6 $0.430 in / $1.75 out
z-ai/glm-4.6v $0.300 in / $0.900 out
z-ai/glm-4.7 $0.400 in / $1.75 out
z-ai/glm-4.7-flash $0.060 in / $0.400 out
z-ai/glm-5 $0.600 in / $1.92 out
z-ai/glm-5-turbo $1.20 in / $4.00 out
z-ai/glm-5.1 $0.966 in / $3.04 out

Change history

Every change we have observed since tracking began.

Detected	Change	Detail
2026-09-07 19:14	Pricing Change	Cache price (read) $0.140 -> $0.260 (+85.7%)
2026-09-03 19:14	Pricing Change	Cache price (read) $0.260 -> $0.140 (-46.1%)
2026-09-03 19:14	Deprecation Changed	shutdown date 2098-12-31 withdrawn
2026-09-01 19:14	Param Change	added parallel_tool_calls
2026-08-28 19:14	Context Change	1048576 -> 1310720
2026-08-19 19:14	Model Added	Z.ai: GLM 5.3

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