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 FlashX1.0M$0.370$1.25Available
GLM-5.3 Flash1.3M$0.113$0.394Available
GLM-5.31.3M$0.840$2.64Available
GLM-5.3 (50% off)1.0MAvailable
GLM-5.2 Fast1.0M$2.10$6.60Available
GLM-5.21.0M$0.610$1.98Available
GLM-5V Turbo205K$0.704$3.10Available
GLM-5 Turbo203K$1.20$4.00Available
GLM-5.1 Non-ReasoningAvailable
GLM-5 Non-ReasoningAvailable
Aion 31.0M$3.00$6.00Current

Model IDs

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