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 xAI: Grok 4
AionLabs: Aion 3.5 Mini wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning ef…
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 Mini | xAI: Grok 4 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 256K | 🏆 AionLabs: Aion 3.5 Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $3.00 | 🏆 AionLabs: Aion 3.5 Mini |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.40 | $15.00 | 🏆 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. | — | Yes | 🏆 xAI: Grok 4 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion 3.5 Mini better than xAI: Grok 4?
AionLabs: Aion 3.5 Mini wins on 3 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 xAI: Grok 4?
Input: $0.70 vs $3.00 per 1M tokens. Output: $1.40 vs $15.00 per 1M tokens.
What context windows do AionLabs: Aion 3.5 Mini and xAI: Grok 4 support?
AionLabs: Aion 3.5 Mini supports up to 262K tokens. xAI: Grok 4 supports up to 256K tokens.
Do both AionLabs: Aion 3.5 Mini and xAI: Grok 4 support tool calling?
AionLabs: Aion 3.5 Mini: yes. xAI: Grok 4: yes.