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 Anthropic: Claude Fable 5.1 (batch)
AionLabs: Aion 3.5 Mini and Anthropic: Claude Fable 5.1 (batch) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 Mini | Anthropic: Claude Fable 5.1 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 1M | 🏆 Anthropic: Claude Fable 5.1 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $5.00 | 🏆 AionLabs: Aion 3.5 Mini |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.40 | $25.00 | 🏆 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 | 🏆 Anthropic: Claude Fable 5.1 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion 3.5 Mini better than Anthropic: Claude Fable 5.1 (batch)?
AionLabs: Aion 3.5 Mini and Anthropic: Claude Fable 5.1 (batch) 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 Anthropic: Claude Fable 5.1 (batch)?
Input: $0.70 vs $5.00 per 1M tokens. Output: $1.40 vs $25.00 per 1M tokens.
What context windows do AionLabs: Aion 3.5 Mini and Anthropic: Claude Fable 5.1 (batch) support?
AionLabs: Aion 3.5 Mini supports up to 262K tokens. Anthropic: Claude Fable 5.1 (batch) supports up to 1M tokens.
Do both AionLabs: Aion 3.5 Mini and Anthropic: Claude Fable 5.1 (batch) support tool calling?
AionLabs: Aion 3.5 Mini: yes. Anthropic: Claude Fable 5.1 (batch): yes.