Aion 3.5 Mini vs Kimi K3
aion-labs/aion-3-5-mini · moonshotai/kimi-k3
As of November 2, 2026, Kimi K3 is the cheaper API on UberLLM: $0.0010 per million input tokens and $0.0788 per million output, versus $0.3063 / $0.6125 for Aion 3.5 Mini, about 89% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose Kimi K3 to cut cost; choose Aion 3.5 Mini when its capabilities fit your task better.
Aion 3.5 Mini vs Kimi K3, side by side
| Spec | Aion 3.5 Mini | Kimi K3 |
|---|---|---|
| Price · input / 1M | $0.3063 | $0.0010 |
| Price · output / 1M | $0.6125 | $0.0788 |
| Context length | 262,144 | 1,000,000 |
| Max output tokens | 32,768 | 131,072 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 65% off | 99.5% off |
| First token, median (7 days) | — | 3.3 s (1,158 requests) |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 2, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Aion 3.5 Mini vs Kimi K3 — FAQ
Is Aion 3.5 Mini or Kimi K3 cheaper?
Kimi K3 is cheaper on a blended token mix, by about 89%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Aion 3.5 Mini and Kimi K3?
Aion 3.5 Mini: $0.3063 in / $0.6125 out per 1M tokens. Kimi K3: $0.0010 in / $0.0788 out per 1M tokens. That's roughly a 89% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Aion 3.5 Mini and Kimi K3 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.