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 Meituan: LongCat Flash Chat
Meituan: LongCat Flash Chat wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
LongCat-Flash-Chat is a large-scale Mixture-of-Experts (MoE) model with 560B total parameters, of which 18.6B–31.3B (≈27B on average) are dynamically activated per input. It introduces a shortcut-connected MoE design to reduce communication…
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Meituan: LongCat Flash Chat | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 131K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.20 | 🏆 Meituan: LongCat Flash Chat |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.80 | 🏆 Meituan: LongCat Flash Chat |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Meituan: LongCat Flash Chat |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 AionLabs: Aion-2.0 |
Frequently asked questions
Is AionLabs: Aion-2.0 better than Meituan: LongCat Flash Chat?
Meituan: LongCat Flash Chat 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 Meituan: LongCat Flash Chat?
Input: $0.80 vs $0.20 per 1M tokens. Output: $1.60 vs $0.80 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Meituan: LongCat Flash Chat support?
AionLabs: Aion-2.0 supports up to 131K tokens. Meituan: LongCat Flash Chat supports up to 131K tokens.
Do both AionLabs: Aion-2.0 and Meituan: LongCat Flash Chat support tool calling?
AionLabs: Aion-2.0: not advertised. Meituan: LongCat Flash Chat: 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)