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Z.ai: GLM 5.3

z-ai/glm-5.3

Z.ai: GLM 5.3 is a 1,048,576-token model served on Composite at $0.249 per million tokens in and $0.781 per million tokens out. Ranked #1 of 196 models by traffic on Composite over the last 30 days, taking 9.33% of tokens and 7.85% of requests (this model and its routing variants). 1 up and 0 down from 1 vote. A positive score is published once a model reaches 5 votes. Measured on Composite, 33.0% of its last 100 requests on Composite succeeded, the typical first token arrives in 1026 ms, output runs at about 144.2 tokens per second.

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Community rating

— 1 up and 0 down from 1 vote. A positive score is published once a model reaches 5 votes.

Sign in to rate this model. Ratings come from accounts that have run requests through Composite.

Specifications

Specifications and pricing as served by Composite
Model IDz-ai/glm-5.3
Providercv11
Context window1,048,576 tokens
Acceptstext
Returnstext
Input price$0.249 per million tokens
Output price$0.781 per million tokens
Prompt cachingSupported — cached input is billed at the provider's cache rate, on credits and plans alike
ThinkingAlways on for this model
ModeratedNo
Cost on a monthly planAbout 2.2 plan credits per typical call (8k in, 1k out)
Routing endpoints10 (base plus 9 routing variants)

Traffic rank on Composite

#1 of 196

9.33% of tokens and 7.85% of requests over 30 days, including routing variants.

Success rate

33.0%

Across the last 100 requests Composite served for this model.

Time to first token

1026 ms

Median across the same sample.

Output speed

144.2 tok/s

Median generation rate after the first token.

Prompt cache hits

9.1%

Share of prompt tokens served from the provider's cache over 7 days.

Routing variants

The same model behind 9 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.

RouteModel IDProviderPrice
Normal z-ai/glm-5.3-normal cv11 $0.0988 per million tokens input · $6.00 per million tokens output
Normal + cheapThink z-ai/glm-5.3-normal:cheapThink cv11 $0.0988 per million tokens input · $6.00 per million tokens output
Cheapest provider z-ai/glm-5.3:cheapest-provider Baidu $0.249 per million tokens input · $0.781 per million tokens output
Cheapest provider + cheapThink z-ai/glm-5.3:cheapest-provider:cheapThink Baidu $0.249 per million tokens input · $0.781 per million tokens output
cheapThink z-ai/glm-5.3:cheapThink cv11 $0.249 per million tokens input · $0.781 per million tokens output
Fast z-ai/glm-5.3:fast Baidu $0.249 per million tokens input · $0.781 per million tokens output
Fast + cheapThink z-ai/glm-5.3:fast:cheapThink Baidu $0.249 per million tokens input · $0.781 per million tokens output
Quality z-ai/glm-5.3:quality Sail Research $0.250 per million tokens input · $4.25 per million tokens output
Quality + cheapThink z-ai/glm-5.3:quality:cheapThink Sail Research $0.250 per million tokens input · $4.25 per million tokens output

Pricing

$0.249 per million tokens input · $0.781 per million tokens output

Credits pay the provider’s price plus 25%; cache hits cost less.

On a monthly plan, a typical call (8k tokens in, 1k out) uses about 2.2 plan credits, at the provider's own price.

Provider

cv11

Roleplay fit

GLM models balance strong instruction-following with competitive pricing, a reasonable middle ground for most roleplay setups.

Context behavior

With a 1,048,576-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.

Cost for regular use

It is priced low enough for high-volume daily roleplay without the per-message cost adding up quickly.

From the provider

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

Supplied by cv11, not written by Composite.