Aion-1.0 is a multi-model system designed for high performance across various tasks, including reasoning and coding. It is built on DeepSeek-R1, augmented with additional models and techniques such as Tree of Thoughts (ToT) and Mixture of E…
Model details →AionLabs: Aion-1.0 vs OpenRouter: Fusion
OpenRouter: Fusion wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Fusion turns your prompt into a small multi-model deliberation. A panel of expert models (see below) analyzes your prompt in parallel with web search and web fetch enabled, then a...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-1.0 | OpenRouter: Fusion | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 1M | 🏆 OpenRouter: Fusion |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $4.00 | $-1000000.00 | 🏆 OpenRouter: Fusion |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $-1000000.00 | 🏆 OpenRouter: Fusion |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 AionLabs: Aion-1.0 |
Frequently asked questions
Is AionLabs: Aion-1.0 better than OpenRouter: Fusion?
OpenRouter: Fusion wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-1.0 and OpenRouter: Fusion?
Input: $4.00 vs $-1000000.00 per 1M tokens. Output: $8.00 vs $-1000000.00 per 1M tokens.
What context windows do AionLabs: Aion-1.0 and OpenRouter: Fusion support?
AionLabs: Aion-1.0 supports up to 131K tokens. OpenRouter: Fusion supports up to 1M tokens.
Do both AionLabs: Aion-1.0 and OpenRouter: Fusion support tool calling?
AionLabs: Aion-1.0: not advertised. OpenRouter: Fusion: not advertised.