DEEP REASONING · AionLabs
Aion 3.5
Aion 3.5 is a reasoning, tool-using model from AionLabs in the AionLabs family, living in The High Peaks (deep reasoning). It reads text and writes text, with a 262K-token context window and up to 33K tokens of output. On OpenRouter it costs $3.00 per million input tokens and $6.00 per million output tokens.
See Aion 3.5 in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- AionLabs
- Family
- AionLabs
- Province
- The High Peaks
- Context window
- 262K tokens
- Maximum output
- 33K tokens
- Input / 1M tokens
- $3.00
- Output / 1M tokens
- $6.00
- Accepts
- text
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2026-09-23
- Model ID
aion-labs/aion-3.5- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.