AionLabs: Aion-2.0
AionLabs’ Aion-2.0 is designed for text-based tasks with a substantial context length of 131,072 tokens and supports both reasoning and tools integration. This model can process extensive inputs while enabling detailed responses through its capacity to generate up to 32,768 completion tokens. Given its moderate pricing at $0.8 per million input tokens and $1.6 per million output tokens, Aion-2.0 is a viable option for projects requiring robust text processing capabilities. However, due to the absence of independent benchmark coverage, users should consider this model as part of a broader evaluation process; without benchmark scores, its performance relative to competitors remains unproven.
- Model ID
- aion-labs/aion-2.0
- Vendor
- aion-labs
- Released
- February 2026
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 32,768 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.80/M input and $1.60/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.03 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.48 |
| A month of a busy support chatbot | 5M in / 2M out | $7.20 |
Similar models
Quick answers
- How much does AionLabs: Aion-2.0 cost?
- $0.80 per million input tokens and $1.60 per million output tokens.
- What is AionLabs: Aion-2.0's context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does AionLabs: Aion-2.0 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can AionLabs: Aion-2.0 process images?
- No, it is text-only on the input side.