Aion 2.0 vs Aion 3.0 Mini
aion-labs/aion-2.0 · aion-labs/aion-3-0-mini
As of October 24, 2026, Aion 3.0 Mini is the cheaper API on UberLLM: $0.5879 per million input tokens and $1.18 per million output, versus $0.6800 / $1.36 for Aion 2.0 — about 14% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with UberLLM's 10% fee already included, so the price you see is the price you pay. Choose Aion 3.0 Mini to cut cost; choose Aion 2.0 when its capabilities fit your task better.
Aion 2.0 vs Aion 3.0 Mini, side by side
| Spec | Aion 2.0 | Aion 3.0 Mini |
|---|---|---|
| Price · input / 1M | $0.6800 | $0.5879 |
| Price · output / 1M | $1.36 | $1.18 |
| Context length | 128,000 | 128,000 |
| Max output tokens | 32,768 | 32,768 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | — | Yes |
| Cheapest seller | UberLLM | UberLLM |
| % off list | — | 16% off |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown includes UberLLM’s 10% fee. Updated October 24, 2026.
Aion 2.0 vs Aion 3.0 Mini — FAQ
Is Aion 2.0 or Aion 3.0 Mini cheaper?
Aion 3.0 Mini is cheaper on a blended token mix, by about 14%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with its 10% fee included.
What's the price difference between Aion 2.0 and Aion 3.0 Mini?
Aion 2.0: $0.6800 in / $1.36 out per 1M tokens. Aion 3.0 Mini: $0.5879 in / $1.18 out per 1M tokens. That's roughly a 14% blended difference. Prices are live and include UberLLM's 10% fee.
Can I use both Aion 2.0 and Aion 3.0 Mini with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.