Aion 3.5 Mini is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It is the smaller, lower-cost sibling of Aion 3.5 and uses...
Model details →AionLabs: Aion 3.5 Mini vs Z.ai: GLM 5.3 Prime
AionLabs: Aion 3.5 Mini wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 Mini | Z.ai: GLM 5.3 Prime | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1M | 🏆 Z.ai: GLM 5.3 Prime |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $2.80 | 🏆 AionLabs: Aion 3.5 Mini |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.40 | $8.80 | 🏆 AionLabs: Aion 3.5 Mini |
| 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 | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion 3.5 Mini better than Z.ai: GLM 5.3 Prime?
AionLabs: Aion 3.5 Mini wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion 3.5 Mini and Z.ai: GLM 5.3 Prime?
Input: $0.70 vs $2.80 per 1M tokens. Output: $1.40 vs $8.80 per 1M tokens.
What context windows do AionLabs: Aion 3.5 Mini and Z.ai: GLM 5.3 Prime support?
AionLabs: Aion 3.5 Mini supports up to 262K tokens. Z.ai: GLM 5.3 Prime supports up to 1M tokens.
Do both AionLabs: Aion 3.5 Mini and Z.ai: GLM 5.3 Prime support tool calling?
AionLabs: Aion 3.5 Mini: yes. Z.ai: GLM 5.3 Prime: yes.