Skip to content

GLM 5.3 Prime

Z.ai · Reasoning · 1M context · released Sep 23, 2026 · checked 9h ago

Ways to buy 2

Way to buyIn / out per 1M
Z.ai API
The lab's own API · cached $0.56
$2.8 / $8.8List price
Qwen (Alibaba)
Default region · cached $0.56
$2.8 / $8.8Same as list

USD per 1M tokens. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $456.00 direct.

No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

Related models

In / out per 1M
GLM 5.3 FlashX
Z.ai · 1M
$0.37 / $1.25
GLM 5.3 Flash
Z.ai · 1.31M
$0.045 / $0.14
GLM 5.3
Z.ai · 1.31M
$0.563 / $2.5
GLM 5.2
Z.ai · 1M
$0.563 / $1.8
GPT-5.6 Sol
OpenAI · 1.05MCheapest: $2 on OpenAI (flex)
$2 / $10
Muse Spark 1.3
Meta · 1M
$1.25 / $4.25
Claude Opus 5.5
Anthropic · 1M
$4 / $20
Gemini 3.1 Pro Preview
Google · 1MCheapest: $2.25 on Google Vertex AI (global-flex)
$2 / $12

About GLM 5.3 Prime

GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration.

Takes text in and returns text. First listed Sep 24, 2026. Up to 131K output tokens. Blended price $4.3 per 1M tokens at 3 input to 1 output. Model id glm-5-3-prime.

Price history

$3$10Sep 24, 2026Output $8.8Input $2.8

List price since Sep 24, 2026, from daily reads of the OpenRouter catalog.

Across fru.devCompany profile

Questions

How much does GLM 5.3 Prime cost?

$2.8 per million input tokens and $8.8 per million output tokens, with cached input at $0.56.

What is the context window of GLM 5.3 Prime?

1M tokens, with up to 131K tokens of output.

Where is GLM 5.3 Prime cheapest?

Of 2 routes tracked, Z.ai is cheapest at $2.8 input and $8.8 output per million tokens.

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.