Overview
Aion-3.0-Mini vs Claude Opus 5.5: side-by-side summary
Aion-3.0-Mini and Claude Opus 5.5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Aion-3.0-Mini, from Aion Labs, has a 1,048,576-token context window and is priced at $0.70/M tokens input, $1.40/M tokens output on OpenRouter.
Claude Opus 5.5, from Anthropic, has a 1,000,000-token context window and is priced at $4/M tokens input, $20/M tokens output on OpenRouter.
- Context window
- Aion-3.0-Mini: 1,048,576 tokens
- Claude Opus 5.5: 1,000,000 tokens
- Price
- Aion-3.0-Mini: $0.70/M tokens input, $1.40/M tokens output
- Claude Opus 5.5: $4/M tokens input, $20/M tokens output
- Provided by
- Aion-3.0-Mini: Aion Labs
- Claude Opus 5.5: Anthropic