Aion-3.0
Summary
Aion-3.0 is a language model from Aion Labs, released on 7 Jul 2026. It accepts text and generates text, with a 131K-token context window and up to 33K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $3 per million input tokens and $6 per million output tokens (OpenRouter), across 1 provider we track.
Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Aion Labs |
|---|---|
| Release date | 7 Jul 2026 [OpenRouter] |
| Status | Generally available |
| Context window | 131K (131,072 tokens) [OpenRouter] |
| Max output | 33K tokens [OpenRouter] |
| Input | Text [OpenRouter] |
| Output | Text [OpenRouter] |
| Reasoning mode | Yes [OpenRouter] |
| Tool calling | Yes [OpenRouter] |
| Structured output | No [OpenRouter] |
Aion-3.0 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter aion-labs/aion-3.0 | $3 | $6 | $0.75 | 131K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Aion-3.0?
Aion-3.0 has a context window of 131,072 tokens (131K) and can generate up to 32,768 tokens in a single response, according to OpenRouter.
How much does the Aion-3.0 API cost?
Aion-3.0 is listed from $3 per million input tokens and $6 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
When was Aion-3.0 released?
Aion Labs released Aion-3.0 on 7 Jul 2026, according to OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.