Aion-3.0 pricing and routing profile
Aion-3.0 from Aion Labs lists at $3.00 per million input tokens and $6.00 per million output tokens, with a 131,072-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingReasoning control
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $1.86 |
| Chat reply (2,000 in, 400 out) | $8.40 |
| Retrieval-augmented answer (8,000 in, 500 out) | $27.00 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Not as a first-answer model through OpenRouter: no host returns token log probabilities for Aion-3.0. It can still be the model Gimbix falls back to when a cheaper model is unsure.
Cheaper models that can answer first
Models priced below Aion-3.0 that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Qwen3.8 Max (0902) | $2.00 / $6.00 | 24% |
| Qwen3.8 2.4T A95B | $2.00 / $6.00 | 24% |
| Grok 4.6 | $2.00 / $6.00 | 24% |
| Grok 4.5 | $2.00 / $6.00 | 24% |
| GPT-5 Image Mini | $2.50 / $2.00 | 31% |
| Grok 4.7 | $1.60 / $4.80 | 39% |
Questions
How much does Aion-3.0 cost?
Aion-3.0 lists at $3.00 per million input tokens and $6.00 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $8.40 per 1,000 requests.
What is the context window of Aion-3.0?
131,072 tokens.
Can a cheaper model replace Aion-3.0?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Aion-3.0 on one half of your requests and make at most three answers worse on the other.