Aion 3.5 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each...
Model details →AionLabs: Aion 3.5 vs Reka Flash 3
AionLabs: Aion 3.5 and Reka Flash 3 are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 | Reka Flash 3 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 66K | 🏆 AionLabs: Aion 3.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $0.10 | 🏆 Reka Flash 3 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $6.00 | $0.20 | 🏆 Reka Flash 3 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 AionLabs: Aion 3.5 |
| 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 better than Reka Flash 3?
AionLabs: Aion 3.5 and Reka Flash 3 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 and Reka Flash 3?
Input: $3.00 vs $0.10 per 1M tokens. Output: $6.00 vs $0.20 per 1M tokens.
What context windows do AionLabs: Aion 3.5 and Reka Flash 3 support?
AionLabs: Aion 3.5 supports up to 262K tokens. Reka Flash 3 supports up to 66K tokens.
Do both AionLabs: Aion 3.5 and Reka Flash 3 support tool calling?
AionLabs: Aion 3.5: yes. Reka Flash 3: not advertised.