aion-labs API Pricing
aion-labs offers 6 API models in the catalog. Combined input+output prices range from $2.1 (AionLabs: Aion 3.5 Mini) to $9 (AionLabs: Aion 3.5) per 1M tokens. Its most recent model is AionLabs: Aion 3.5 Mini at $0.7 input / $1.4 output.
| Model | Input /1M | Output /1M | Cached in /1M | Context |
|---|---|---|---|---|
| AionLabs: Aion 3.5 Mini | $0.7 | $1.4 | $0.18 | 262,144 |
| AionLabs: Aion-3.0-Mini | $0.7 | $1.4 | $0.18 | 131,072 |
| AionLabs: Aion-2.0 | $0.8 | $1.6 | $0.2 | 131,072 |
| AionLabs: Aion-RP 1.0 (8B) | $0.8 | $1.6 | — | 32,768 |
| AionLabs: Aion 3.5 | $3 | $6 | $0.75 | 262,144 |
| AionLabs: Aion-3.0 | $3 | $6 | $0.75 | 131,072 |
Frequently asked questions
What is the cheapest aion-labs model?
The cheapest aion-labs model by combined price is AionLabs: Aion 3.5 Mini at $0.7 input and $1.4 output per 1M tokens.
How many models does aion-labs offer via API?
aion-labs lists 6 models in the OpenRouter catalog as of October 21, 2026.
Price snapshot October 21, 2026, refreshed daily.