Aion-2.0 is a variant of DeepSeek V3.2 optimized for immersive roleplaying and storytelling. It is particularly strong at introducing tension, crises, and conflict into stories, making narratives feel more engaging....
Model details →AionLabs: Aion-2.0 vs Union Alpha
Union Alpha wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Union Alpha is a multimodal model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. Union Alpha is a stealth model....
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Union Alpha | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 262K | 🏆 Union Alpha |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.00 | 🏆 Union Alpha |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.00 | 🏆 Union Alpha |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Union Alpha |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 AionLabs: Aion-2.0 |
Frequently asked questions
Is AionLabs: Aion-2.0 better than Union Alpha?
Union Alpha wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-2.0 and Union Alpha?
Input: $0.80 vs $0.00 per 1M tokens. Output: $1.60 vs $0.00 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Union Alpha support?
AionLabs: Aion-2.0 supports up to 131K tokens. Union Alpha supports up to 262K tokens.
Do both AionLabs: Aion-2.0 and Union Alpha support tool calling?
AionLabs: Aion-2.0: yes. Union Alpha: yes.