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 Google: Gemini 3.8 Flash
AionLabs: Aion 3.5 Mini and Google: Gemini 3.8 Flash are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 Mini | Google: Gemini 3.8 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1.0M | 🏆 Google: Gemini 3.8 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $0.75 | 🏆 AionLabs: Aion 3.5 Mini |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.40 | $3.75 | 🏆 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 | 🏆 Google: Gemini 3.8 Flash |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion 3.5 Mini better than Google: Gemini 3.8 Flash?
AionLabs: Aion 3.5 Mini and Google: Gemini 3.8 Flash 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 3.5 Mini and Google: Gemini 3.8 Flash?
Input: $0.70 vs $0.75 per 1M tokens. Output: $1.40 vs $3.75 per 1M tokens.
What context windows do AionLabs: Aion 3.5 Mini and Google: Gemini 3.8 Flash support?
AionLabs: Aion 3.5 Mini supports up to 262K tokens. Google: Gemini 3.8 Flash supports up to 1.0M tokens.
Do both AionLabs: Aion 3.5 Mini and Google: Gemini 3.8 Flash support tool calling?
AionLabs: Aion 3.5 Mini: yes. Google: Gemini 3.8 Flash: yes.