OpenRouterAion-2.0 model ID, context window & pricing
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Quick facts
Model ID aion-labs/aion-2.0
Source OpenRouter
Context Window 131072
Pricing $0.80 input / $1.60 output per 1M tokens
Capabilities reasoning, temperature control
Model overview
Aion-2.0 is an AI model from OpenRouter with 131072 token context window and text input support.
Published pricing is $0.80 input and $1.60 output per 1M tokens.
- Workloads that use text inputs with text outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID aion-labs/aion-2.0
Provider OpenRouter
Family -
Status -
Knowledge Cutoff -
Release Date 2026-02-23
Input Modalities text
Output Modalities text
Context Window 131072
Input Limit -
Output Limit 32768
Tool Calling No
Reasoning Yes
Structured Output No
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.80
Output Cost / 1M tokens $1.60
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.20
Cache Write Cost / 1M tokens -