Aion-2.0

Other chatreasoningtool_use

API ID: aion-labs/aion-2.0-20260223

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About Aion-2.0

Aion is Aion Labs' model series, designed for general AI applications. The models deliver good performance on conversation and task completion. Aion variants include mini versions for efficient deployment and roleplay-optimized versions. For developers seeking capable AI from Aion Labs, the series offers versatile performance.

🏆
Price Ranking
#1 lowest price among 950 Chat models — Top 20% cheapest!

Model Specifications

Context Length
131k
Max Output
33k
Release Date
2026-02-23
Capabilities
chat reasoning tool_use
Input Modalities
text
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Image understanding (needs vision capability)
  • Simple Q&A (cheaper models available)

Other Model Lineup

Compare all models from Other to find the best fit

Model Input Output Context Capabilities
Aion-2.0 Current Free Free 131k chat reasoning tool_use
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🚀 Quick Start

Get started with Aion-2.0 API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="aion-labs/aion-2.0-20260223",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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