Aion-1.0 is a multi-model system designed for high performance across various tasks, including reasoning and coding. It is built on DeepSeek-R1, augmented with additional models and techniques such as Tree of Thoughts (ToT) and Mixture of E…
Model details →AionLabs: Aion-1.0 vs Baidu: ERNIE 4.5 21B A3B Thinking
Baidu: ERNIE 4.5 21B A3B Thinking wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
ERNIE-4.5-21B-A3B-Thinking is Baidu's upgraded lightweight MoE model, refined to boost reasoning depth and quality for top-tier performance in logical puzzles, math, science, coding, text generation, and expert-level academic benchmarks.
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-1.0 | Baidu: ERNIE 4.5 21B A3B Thinking | 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. | $4.00 | $0.07 | 🏆 Baidu: ERNIE 4.5 21B A3B Thinking |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $0.28 | 🏆 Baidu: ERNIE 4.5 21B A3B Thinking |
| 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 | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion-1.0 better than Baidu: ERNIE 4.5 21B A3B Thinking?
Baidu: ERNIE 4.5 21B A3B Thinking wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-1.0 and Baidu: ERNIE 4.5 21B A3B Thinking?
Input: $4.00 vs $0.07 per 1M tokens. Output: $8.00 vs $0.28 per 1M tokens.
What context windows do AionLabs: Aion-1.0 and Baidu: ERNIE 4.5 21B A3B Thinking support?
AionLabs: Aion-1.0 supports up to 131K tokens. Baidu: ERNIE 4.5 21B A3B Thinking supports up to 131K tokens.
Do both AionLabs: Aion-1.0 and Baidu: ERNIE 4.5 21B A3B Thinking support tool calling?
AionLabs: Aion-1.0: not advertised. Baidu: ERNIE 4.5 21B A3B Thinking: not advertised.
Compare AionLabs: Aion-1.0 with other models
vs AI21: Jamba Large 1.7vs AionLabs: Aion-1.0-Minivs AionLabs: Aion-2.0vs AionLabs: Aion-RP 1.0 (8B)