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. It also handles mature a…
Model details →AionLabs: Aion-2.0 vs Upstage: Solar Pro 3
Upstage: Solar Pro 3 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized for …
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Upstage: Solar Pro 3 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 128K | 🏆 AionLabs: Aion-2.0 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.15 | 🏆 Upstage: Solar Pro 3 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.60 | 🏆 Upstage: Solar Pro 3 |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Upstage: Solar Pro 3 |
| 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 Upstage: Solar Pro 3?
Upstage: Solar Pro 3 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 Upstage: Solar Pro 3?
Input: $0.80 vs $0.15 per 1M tokens. Output: $1.60 vs $0.60 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Upstage: Solar Pro 3 support?
AionLabs: Aion-2.0 supports up to 131K tokens. Upstage: Solar Pro 3 supports up to 128K tokens.
Do both AionLabs: Aion-2.0 and Upstage: Solar Pro 3 support tool calling?
AionLabs: Aion-2.0: not advertised. Upstage: Solar Pro 3: yes.
Compare AionLabs: Aion-2.0 with other models
vs AI21: Jamba Large 1.7vs AionLabs: Aion-1.0vs AionLabs: Aion-1.0-Minivs AionLabs: Aion-RP 1.0 (8B)