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Aion 3.5 pricing
API list price by aion-labs · same on AionLabs · checked Oct 23, 2026
$3 / $6per 1M tokens in / out
$0.75cache read · −75%
#271on OpenRouter by tokens · 2.3B / week
Price sheetper 1M tokens
| Input | $3 | list |
| Output | $6 | |
| Cache read | $0.75 | −75% vs input |
| Context · max output | 262K · 33K | tokens |
Where to buy2 providers · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| aion-labslab | $3 | $6 | — |
| AionLabs | $3 | $6 | 262K |
In aion-labs's line-upper 1M in / out
| Aion 3.0 Mini | $0.70 / $1.40 | −77% |
| Aion 3.5 Mini | $0.70 / $1.40 | −77% |
| Aion 2.0 | $0.80 / $1.60 | −73% |
| Aion-RP 1.0 (8B) | $0.80 / $1.60 | −73% |
| Aion 3.5 | $3 / $6 | this model |
| Aion 3.0 | $3 / $6 | 0% |
Cheaper for the same workvs Aion 3.5
| Grok 4.7 unstated | -20% | same score | $2 / $6 |
| Muse Spark 1.3 unstated | -47% | same score | $1.25 / $4.25 |
| GLM 5.3 unstatedOpen | -43% | same score | $1.40 / $4.40 |
| Muse Spark 1.2 unstated | -47% | same score | $1.25 / $4.25 |
| Kimi K2.6 unstatedOpen | -54% | score -4% | $0.95 / $4 |
Pricing questions
How much does Aion 3.5 cost?›
$3 per 1M input tokens and $6 per 1M output tokens on aion-labs's API and AionLabs. Cached input is $0.75.
Is Aion 3.5 free to use?›
There is no free API tier.
How much does prompt caching save?›
Cache reads cost $0.75 per 1M, 75% below the input price.
What is a cheaper alternative to Aion 3.5?›
Grok 4.7 at unstated effort costs -20% per task with a score within a point on EQ-Bench Longform Creative Writing 1.11.