Aion 3 is Aion Labs's language model with a 1.0M context window and up to 33K output tokens, starting at $3.00 / 1M input and $6.00 / 1M output. A multi-model collaborative LLM system from AionLabs built on the GLM architecture, designed for immersive roleplaying and long-form storytelling through specialized model cooperation.
Specifications
Canonical IDaion-labs-3
TypeLanguage
StatusActive
CreatorAion LabsAion Labs
Providers
Context Window1.0M tokens
Max Output33K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 3 months ago

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
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
OpenRouter logo
OpenRouter
aion-labs/aion-3.0
$3.00$6.00$0.75

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-5.31.3M$0.050$3.08Available
GLM-5.3 (50% off)1.0M——Available
GLM-5.2 Fast1.0M$2.10$6.60Deprecated
GLM-5.21.0M$0.031$1.98Deprecated
GLM-5V Turbo205K$0.704$3.10Available
GLM-5 Turbo203K$1.20$4.00Available
GLM-5.1 Non-Reasoning————Available
Aion 31.0M$3.00$6.00Current

Model IDs

aion-labs-3
aion-labs/aion-3.0
openrouter/aion-labs/aion-3.0