Aion 3.5 Mini vs Gemini 2.5 Pro
aion-labs/aion-3-5-mini · google/gemini-2.5-pro
As of November 2, 2026, Aion 3.5 Mini is the cheaper API on UberLLM: $0.3063 per million input tokens and $0.6125 per million output, versus $0.3000 / $2.40 for Gemini 2.5 Pro, about 71% 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 Aion 3.5 Mini to cut cost; choose Gemini 2.5 Pro when context size wins. Gemini 2.5 Pro carries the larger context window (1,048,576 vs 262,144 tokens), which can matter for long-document work.
Aion 3.5 Mini vs Gemini 2.5 Pro, side by side
| Spec | Aion 3.5 Mini | Gemini 2.5 Pro |
|---|---|---|
| Price · input / 1M | $0.3063 | $0.3000 |
| Price · output / 1M | $0.6125 | $2.40 |
| Context length | 262,144 | 1,048,576 |
| Max output tokens | 32,768 | 65,536 |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | — | Yes |
| Reasoning | Yes | Yes |
| % off list | 65% off | 76% off |
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 Gemini 2.5 Pro — FAQ
Is Aion 3.5 Mini or Gemini 2.5 Pro cheaper?
Aion 3.5 Mini is cheaper on a blended token mix, by about 71%. 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 Gemini 2.5 Pro?
Aion 3.5 Mini: $0.3063 in / $0.6125 out per 1M tokens. Gemini 2.5 Pro: $0.3000 in / $2.40 out per 1M tokens. That's roughly a 71% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Aion 3.5 Mini and Gemini 2.5 Pro 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.