Aion 2
Aion 2 is Aion Labs's language model with a 131K context window and up to 33K output tokens, starting at $0.800 / 1M input and $1.60 / 1M output. A DeepSeek V3.2-based model from AionLabs fine-tuned for immersive roleplaying and storytelling with a focus on narrative tension and conflict.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities1/13
Reasoning✓
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 OpenRouter | $0.800 | $1.60 | $0.200 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Aion 2 | 131K | $0.800 | $1.60 | Current | |
| Aion 1 | 131K | $4.00 | $8.00 | Available | |
| Aion 1 Mini | 131K | $0.700 | $1.40 | Available |