GLM-5.3 (50% off) is Zhipu AI's language model with a 1.0M context window. 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 · 1 month 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 Prime1.0M$2.80$8.80Available
GLM-5.3 FlashX1.0M$0.370$1.25Available
GLM-5.3 Flash1.3M$0.110$0.350Available
GLM-5.3 (50% off)1.0M——Current
GLM-5.31.3M$0.980$3.08Available
GLM-5.2 Fast1.0M$2.10$6.60Deprecated
GLM-5.21.0M$0.360$1.98Deprecated
GLM-5V Turbo205K$0.704$3.10Available
GLM-5 Turbo203K$1.20$4.00Available
GLM-5.1 Non-Reasoning————Available
GLM-5 Non-Reasoning————Available

Model IDs

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