o1-pro vs Aion-3.0
Aion-3.0 is 70× cheaper than o1-pro on a blended basis. o1-pro has the larger context window at 200K tokens.
Side by side
Green marks the better value in each row where a comparison is meaningful.
| Attribute | o1-pro | Aion-3.0 |
|---|---|---|
| Provider | OpenAI | AionLabs |
| Input / 1M tokens | $150 | $3.00 |
| Output / 1M tokens | $600 | $6.00 |
| Blended / 1M tokens | $263 | $3.75 |
| Cached input / 1M | - | $0.750 |
| Context window | 200K | 131K |
| Max output | 100K | 33K |
| Input modalities | text, image, file | text |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Structured output | Yes | Yes |
| Prompt caching | No | Yes |
| Open weights | No | No |
| Knowledge cutoff | 2023-10-31 | - |
| Released | March 19, 2025 | July 7, 2026 |
Frequently asked
Is o1-pro or Aion-3.0 cheaper?
Aion-3.0 is 70× cheaper than o1-pro on a blended basis.
What is the price difference between o1-pro and Aion-3.0?
o1-pro costs $150 per million input tokens and $600 per million output tokens. Aion-3.0 costs $3.00 and $6.00 respectively.
Which has the larger context window, o1-pro or Aion-3.0?
o1-pro, at 200K tokens versus 131K.