Aion-2.0 is a large language model from AionLabs with a 131k-token context window, released between the company's initial Aion-1.0 models and its shift to multi-model systems starting with Aion-3.0.
- Strengths
- The model handles long-form text and extended context, operating across a substantial token window without the architectural overhead of multi-model systems.
- Best for
- Tasks requiring sustained context over longer documents or conversations where a single unified model is preferred over collaborative multi-model generation.
- Limitations
- Aion-2.0 has been superseded by Aion-3.0 and later multi-model releases that combine specialized components for stronger reasoning and coding performance.
Input / 1M
$0.8
Output / 1M
$1.60
Cached input / 1M
$0.2
Context window
131K
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.8 | $1.60 | $0.2 | Imported from OpenRouter | openrouter.ai |