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 OpenAI: gpt-oss-120b (exacto)
OpenAI: gpt-oss-120b (exacto) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimize…
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 Mini | OpenAI: gpt-oss-120b (exacto) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 131K | 🏆 AionLabs: Aion 3.5 Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $0.04 | 🏆 OpenAI: gpt-oss-120b (exacto) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.40 | $0.19 | 🏆 OpenAI: gpt-oss-120b (exacto) |
| 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 OpenAI: gpt-oss-120b (exacto)?
OpenAI: gpt-oss-120b (exacto) 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 OpenAI: gpt-oss-120b (exacto)?
Input: $0.70 vs $0.04 per 1M tokens. Output: $1.40 vs $0.19 per 1M tokens.
What context windows do AionLabs: Aion 3.5 Mini and OpenAI: gpt-oss-120b (exacto) support?
AionLabs: Aion 3.5 Mini supports up to 262K tokens. OpenAI: gpt-oss-120b (exacto) supports up to 131K tokens.
Do both AionLabs: Aion 3.5 Mini and OpenAI: gpt-oss-120b (exacto) support tool calling?
AionLabs: Aion 3.5 Mini: yes. OpenAI: gpt-oss-120b (exacto): yes.