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 Inception: Mercury 2.5 Preview
Inception: Mercury 2.5 Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, achieving...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Inception: Mercury 2.5 Preview | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 260K | 🏆 Inception: Mercury 2.5 Preview |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.04 | 🏆 Inception: Mercury 2.5 Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.15 | 🏆 Inception: Mercury 2.5 Preview |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion-2.0 better than Inception: Mercury 2.5 Preview?
Inception: Mercury 2.5 Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-2.0 and Inception: Mercury 2.5 Preview?
Input: $0.80 vs $0.04 per 1M tokens. Output: $1.60 vs $0.15 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Inception: Mercury 2.5 Preview support?
AionLabs: Aion-2.0 supports up to 131K tokens. Inception: Mercury 2.5 Preview supports up to 260K tokens.
Do both AionLabs: Aion-2.0 and Inception: Mercury 2.5 Preview support tool calling?
AionLabs: Aion-2.0: yes. Inception: Mercury 2.5 Preview: yes.