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Aion Labs API pricing
As of October 22, 2026, the Aion Labs API prices run from $1.40 to $6.00 per million output tokens across 6 models, as listed on OpenRouter. Aion 3.5 Mini is the cheapest paid model at $0.70 input and $1.40 output per million tokens, and Aion-3.0 the most expensive at $3.00 input and $6.00 output.
None of the 6 models from Aion Labs has a benchmark score yet, so none is ranked. No Aion Labs model has a published run cost in the sources we read, so cost per solved task shows No run cost rather than an estimate.
| Model | Input $/Mtok | Output $/Mtok | Context | Evidence | Index | Cost per solved task |
|---|---|---|---|---|---|---|
| Aion 3.5 | $3.00 | $6.00 | 262K | Not benchmarked | No run cost | |
| Aion 3.5 Mini | $0.70 | $1.40 | 262K | Not benchmarked | No run cost | |
| Aion-3.0 | $3.00 | $6.00 | 131K | Not benchmarked | No run cost | |
| Aion-3.0-Mini | $0.70 | $1.40 | 131K | Not benchmarked | No run cost | |
| Aion-2.0 | $0.80 | $1.60 | 131K | Not benchmarked | No run cost | |
| Aion-RP 1.0 (8B) | $0.80 | $1.60 | 33K | Not benchmarked | No run cost |
Price changes
No change in a maker's own API price recorded yet. We read prices daily from OpenRouter (since October 15, 2026) and list a change only when the maker's own price moves between two of our snapshots.