GLM-5.3 (50% off) is Zhipu AI's language model with a 1.0M context window, starting at $0.7 / 1M input and $2.20 / 1M output. A reasoning-focused LLM built on the same base as GLM-5.2 with post-training improvements targeting complex software engineering and agentic tasks.
Specifications
Canonical IDzhipu-glm-5-3-promo-50
TypeLanguage
StatusActive
CreatorZhipu AIZhipu AI
Providers
Context Window1.0M tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 21 days ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
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Vercel AI Gateway
zai/glm-5.3-promo-50
$0.7$2.20$0.13

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GLM-5.3 Flash1.3M$0.075$0.250Available
GLM-5.3 (50% off)1.0M$0.700$2.20Current
GLM-5.31.3M$0.700$2.20Available
GLM-5.2 Fast1.0M$2.10$6.60Available
GLM-5.21.0M$0.610$1.98Available
GLM-5V Turbo205K$1.20$4.00Available
GLM-5 Turbo203K$1.20$4.00Available
GLM-5.1 Non-ReasoningAvailable
GLM-5 Non-ReasoningAvailable
GLM-5 Code200K$1.20$5.00Available
GLM-5.1 Fast203K$2.80$8.80Available

Model IDs

zai/glm-5.3-promo-50
zhipu-glm-5-3-promo-50