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: DeepSeek V3.1 Terminus
DeepSeek: DeepSeek V3.1 Terminus wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further …
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | DeepSeek: DeepSeek V3.1 Terminus | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 164K | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.21 | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.79 | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| 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 DeepSeek: DeepSeek V3.1 Terminus?
DeepSeek: DeepSeek V3.1 Terminus 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 DeepSeek: DeepSeek V3.1 Terminus?
Input: $0.80 vs $0.21 per 1M tokens. Output: $1.60 vs $0.79 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and DeepSeek: DeepSeek V3.1 Terminus support?
AionLabs: Aion-2.0 supports up to 131K tokens. DeepSeek: DeepSeek V3.1 Terminus supports up to 164K tokens.
Do both AionLabs: Aion-2.0 and DeepSeek: DeepSeek V3.1 Terminus support tool calling?
AionLabs: Aion-2.0: not advertised. DeepSeek: DeepSeek V3.1 Terminus: 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)