Aion 2.0 API

aion-labs/aion-2.0

Call Aion 2.0 through UberLLM’s OpenAI-compatible API — from $0.2500/M input and $0.5000/M output, routed automatically to the cheapest healthy provider. Aion Labs · 128,000 token context. No inference markup.

Try it live — no signup
Free demo · a few prompts/day

Aion 2.0 pricing & providers

ProviderInput / 1MOutput / 1M
Surplus Intelligencebest$0.2500$0.5000
OpenRouter$0.8000$1.60

How to use Aion 2.0 with the OpenAI SDK

Already using OpenAI or OpenRouter? Change one line — the base URL — and call Aion 2.0 with your existing code. Anthropic SDKs work against https://api.uberllm.dev/v1/messages.

python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.uberllm.dev/v1",
    api_key="ull_your_key_here",
)

resp = client.chat.completions.create(
    model="aion-labs/aion-2.0",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)

Aion 2.0 API — FAQ

How much does the Aion 2.0 API cost?

Aion 2.0 costs from $0.2500 per million input tokens and $0.5000 per million output tokens through UberLLM, which routes to the cheapest healthy provider. There is no inference markup.

How do I call Aion 2.0 via API?

Use any OpenAI-compatible SDK: set the base URL to https://api.uberllm.dev/v1, your UberLLM API key, and model "aion-labs/aion-2.0". Anthropic SDKs work via https://api.uberllm.dev/v1/messages.

Is Aion 2.0 OpenAI-compatible on UberLLM?

Yes. Every model on UberLLM — including Aion 2.0 — is served through one OpenAI-compatible endpoint, so you change only the base URL and key.