AionLabs: Aion 3.0 Mini
Aion 3.0 Mini is a reasoning model from AionLabs released on Jul 7, 2026. It reads text and writes text, with a 131K token context window and up to 33K tokens per reply.
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It costs $0.70 per million input tokens and $1.40 per million output tokens. Cached input bills at $0.18, 74% less than fresh input.
It supports tool calling, structured JSON output and prompt caching.
3 providers serve it, including Kilo Gateway, NanoGPT and Venice AI.
- Modalities
- In / out price
- $0.70 / $1.40 per 1M
- Context
- 131K
- Max output
- 33K
- Released
- Jul 7, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Aion 3.0 Mini pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.70 / 1M tokens | |
|---|---|---|
| Output | $1.40 / 1M tokens | |
| Cached input (read) | $0.18 / 1M tokens | 74% off input |
Aion 3.0 Mini providers
3 providers serve it, including Kilo Gateway, NanoGPT and Venice AI. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Kilo Gateway | $0.70 | $1.40 | $0.18 | 131K | 33K |
| NanoGPT | $0.70 | $1.40 | $0.18 | 131K | 33K |
| Venice AI | $0.875 | $1.75 | $0.225 | 128K | 33K |
What Aion 3.0 Mini costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Aion 3.0 Mini through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
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Aion 3.0 Mini questions
How much does the Aion 3.0 Mini API cost?
$0.70 per million input tokens and $1.40 per million output tokens, with cached input at $0.18. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Aion 3.0 Mini?
131,072 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Aion 3.0 Mini?
3 providers serve it, including Kilo Gateway, NanoGPT and Venice AI. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Aion 3.0 Mini support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Aion 3.0 Mini open source?
No. AionLabs serves it through an API only, so you cannot download the weights or host it yourself.
When was Aion 3.0 Mini released?
Jul 7, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.