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 ByteDance Seed: Seed 2.1 Turbo
ByteDance Seed: Seed 2.1 Turbo wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...
Model details →Side-by-side comparison
| Capability | AionLabs: Aion 3.5 | ByteDance Seed: Seed 2.1 Turbo | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 262K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $0.50 | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $6.00 | $2.50 | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion 3.5 better than ByteDance Seed: Seed 2.1 Turbo?
ByteDance Seed: Seed 2.1 Turbo 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 and ByteDance Seed: Seed 2.1 Turbo?
Input: $3.00 vs $0.50 per 1M tokens. Output: $6.00 vs $2.50 per 1M tokens.
What context windows do AionLabs: Aion 3.5 and ByteDance Seed: Seed 2.1 Turbo support?
AionLabs: Aion 3.5 supports up to 262K tokens. ByteDance Seed: Seed 2.1 Turbo supports up to 262K tokens.
Do both AionLabs: Aion 3.5 and ByteDance Seed: Seed 2.1 Turbo support tool calling?
AionLabs: Aion 3.5: yes. ByteDance Seed: Seed 2.1 Turbo: yes.