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 Body Builder (beta)
AionLabs: Aion-2.0 and Body Builder (beta) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls. Example: "count to 10 using gemini and …
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Body Builder (beta) | 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 | $-1000000.00 | 🏆 Body Builder (beta) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $-1000000.00 | 🏆 Body Builder (beta) |
| 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 Body Builder (beta)?
AionLabs: Aion-2.0 and Body Builder (beta) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between AionLabs: Aion-2.0 and Body Builder (beta)?
Input: $0.80 vs $-1000000.00 per 1M tokens. Output: $1.60 vs $-1000000.00 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Body Builder (beta) support?
AionLabs: Aion-2.0 supports up to 131K tokens. Body Builder (beta) supports up to 128K tokens.
Do both AionLabs: Aion-2.0 and Body Builder (beta) support tool calling?
AionLabs: Aion-2.0: not advertised. Body Builder (beta): 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)