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....
Model details →AionLabs: Aion-2.0 vs Baidu: ERNIE 4.5 21B A3B
AionLabs: Aion-2.0 and Baidu: ERNIE 4.5 21B A3B are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
A sophisticated text-based Mixture-of-Experts (MoE) model featuring 21B total parameters with 3B activated per token, delivering exceptional multimodal understanding and generation through heterogeneous MoE structures and modality-isolated …
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | Baidu: ERNIE 4.5 21B A3B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 120K | 🏆 AionLabs: Aion-2.0 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $0.07 | 🏆 Baidu: ERNIE 4.5 21B A3B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $0.28 | 🏆 Baidu: ERNIE 4.5 21B A3B |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | 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 Baidu: ERNIE 4.5 21B A3B?
AionLabs: Aion-2.0 and Baidu: ERNIE 4.5 21B A3B 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 Baidu: ERNIE 4.5 21B A3B?
Input: $0.80 vs $0.07 per 1M tokens. Output: $1.60 vs $0.28 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and Baidu: ERNIE 4.5 21B A3B support?
AionLabs: Aion-2.0 supports up to 131K tokens. Baidu: ERNIE 4.5 21B A3B supports up to 120K tokens.
Do both AionLabs: Aion-2.0 and Baidu: ERNIE 4.5 21B A3B support tool calling?
AionLabs: Aion-2.0: yes. Baidu: ERNIE 4.5 21B A3B: yes.