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 DeepSeek Reasoner (legacy id)
AionLabs: Aion-2.0 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Legacy compatibility id mapping to DeepSeek V4 Flash thinking mode (per DeepSeek pricing notes).
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | DeepSeek Reasoner (legacy id) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 1M | 🏆 DeepSeek Reasoner (legacy id) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | Custom | 🏆 AionLabs: Aion-2.0 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | Custom | 🏆 AionLabs: Aion-2.0 |
| 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-2.0 |
Frequently asked questions
Is AionLabs: Aion-2.0 better than DeepSeek Reasoner (legacy id)?
AionLabs: Aion-2.0 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 DeepSeek Reasoner (legacy id)?
Input: $0.80 vs Custom per 1M tokens. Output: $1.60 vs Custom per 1M tokens.
What context windows do AionLabs: Aion-2.0 and DeepSeek Reasoner (legacy id) support?
AionLabs: Aion-2.0 supports up to 131K tokens. DeepSeek Reasoner (legacy id) supports up to 1M tokens.
Do both AionLabs: Aion-2.0 and DeepSeek Reasoner (legacy id) support tool calling?
AionLabs: Aion-2.0: not advertised. DeepSeek Reasoner (legacy id): not advertised.
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)