Aion Labs
info Notes
Permanent free tier, no credit card required. 15 RPM, 20K tokens/day. Specialized for roleplay and storytelling.
key How to get API key
General steps — follow the official Aion Labs page for exact details.
- Open the Aion Labs API key page ↗
- Create a new account, or sign in if you already have one.
- Generate an API key from the dashboard or settings.
layers Available models 3
| Model | Capabilities | Context | Output | Rate limit |
|---|---|---|---|---|
Aion 2.5
aion-2.5
|
Text (roleplay)
|
128K | — | 15 RPM, 20K TPD |
Aion 2.0
aion-2.0
|
Text (roleplay)
|
128K | — | 15 RPM, 20K TPD |
Aion-RP 1.0 (8B)
aion-rp-1.0-(8b)
|
Text (roleplay)
|
32K | — | 15 RPM, 20K TPD |
help Frequently Asked Questions
Yes! Aion Labs provides free API access or free developer credits. Refer to the model list table above for context window and rate limit details.
Most free tier providers in our directory (including Aion Labs) do not require a credit card for developer key activation. Check their official developer portal for exact signup requirements.
If your application exceeds the RPM (Requests Per Minute) or RPD (Requests Per Day) quota, the API will respond with an HTTP 429 status code until your quota window resets.