Models
Available models in the Aion Labs API, with per-token pricing. Click a row to see model details.
Available Models
| Model | Context | Input / 1M | Cached / 1M | Output / 1M | |
|---|---|---|---|---|---|
| AionLabs: Aion 2.0 aion-labs/aion-2.0 | 128K | $0.80 | $0.20 | $1.60 | |
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A variant of DeepSeek V3.2 optimized for immersive roleplaying and storytelling. It is particularly strong at introducing tension, crises, and conflict into stories, making narratives feel more engaging. It also handles mature and darker themes with more nuance and depth. |
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| AionLabs: Aion 2.5 aion-labs/aion-2.5 | 128K | $1.00 | $0.35 | $3.00 | |
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A step up from Aion 2.0 with more natural, human-like writing and faster response times. Optimized for immersive roleplaying and storytelling, with strong handling of tension, conflict, and mature themes. |
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| AionLabs: Aion-RP 1.0 (8B) aion-labs/aion-rp-llama-3.1-8b | 32K | $0.80 | — | $1.60 | |
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A variant of LLama 3.1 8B optimized for immersive roleplaying and storytelling. |
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| AionLabs: Aion 1.0 (Mini) aion-labs/aion-1.0-mini Sunset June 20, 2026 | 128K | $0.70 | — | $1.40 | |
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A distilled version of the DeepSeek-R1 model that excels in reasoning domains like mathematics, coding, and logic. Replacement: |
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| AionLabs: Aion 1.0 aion-labs/aion-1.0 Sunset June 20, 2026 | 128K | $4.00 | — | $8.00 | |
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A variant of DeepSeek R1 optimized for immersive roleplaying and storytelling. Replacement: |
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Discovering Models
Query the models endpoint to list currently available models. No API key required:
curl https://api.aionlabs.ai/v1/modelsBilling Modes
Aion Labs supports prepaid and monthly-manual billing. Browser workspace activity and direct API requests both contribute to the same account-level usage and billing.