Aion 3 is Aion Labs's language model with a 131K 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 Window131K tokens
Max Output33K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 11 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
OpenRouter logo
OpenRouter
aion-labs/aion-3.0
$3.00$6.00$0.75

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GLM-5.2 Fast1.0M$2.10$6.60Available
GLM-5.21.0M$0.965$3.03Available
GLM-5V Turbo203K$1.20$4.00Deprecating
GLM-5 Turbo203K$1.20$4.00Deprecating
GLM-5.1 Non-ReasoningAvailable
GLM-5 Non-ReasoningAvailable
GLM-5 Code200K$1.20$5.00Available
GLM-5.1 Fast203K$2.80$8.80Available
GLM-5.1 NVFP4 MTP203K$1.40$4.40Available
GLM-5.2 Fast Preview$2.80$8.80Available
Aion 3131K$3.00$6.00Current

Model IDs

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