Last refreshed 2026-06-15. Next refresh: weekly.
Why use Aion 2.0 on OpenRouter?
OpenRouter offers Aion 2.0 with pay-as-you-go pricing at $0.80/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: aion-labs/aion-2.0aion-labs/aion-2.0Request example
aion-labs/aion-2.0.Gotchas
- Use provider model ID "aion-labs/aion-2.0", not the LLMReference slug "aion-2.0".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.80 |
| Output tokens | $1.60 |
Capabilities
About Aion 2.0
Aion-2.0 is a variant of DeepSeek V3.2 optimized by AionLabs for immersive roleplaying and storytelling, excelling in character-driven interactive fiction.
FAQ
What does Aion 2.0 cost on OpenRouter?
On OpenRouter, Aion 2.0 costs $0.8 per 1M input tokens and $1.6 per 1M output tokens.
What is the context window for Aion 2.0 on OpenRouter?
Aion 2.0 supports a 131k token context window on OpenRouter.
What API model ID do I use for Aion 2.0 on OpenRouter?
Use the model ID aion-labs/aion-2.0 when calling OpenRouter's API.
Who created Aion 2.0?
Aion 2.0 was created by AionLabs as part of the Aion model family.
Is Aion 2.0 open source?
Aion 2.0 is not open source; the seed data lists it as proprietary.