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AionLabs: Aion-RP 1.0 (8B) API Pricing

AionLabs: Aion-RP 1.0 (8B) costs $0.800 per 1M input tokens and $1.60 per 1M output tokens. Context window: 33K. Prices verified 2026-10-21 · source

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Alternatives to consider

🏠 Same provider
AionLabs: Aion 3.5 Mini
$0.700 in / $1.40 out

Cheapest aion-labs model — 12% less per month

Price history
2026-08-23 → 2026-10-21 · 59 daily snapshots
inputoutput

Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.

Pricing behavior
Stable — no price moves across our 59 daily snapshots (2026-08-23 → 2026-10-21).

From our own daily snapshot archive — independent of provider announcements.

Input / 1M tokens
$0.800
Output / 1M tokens
$1.60
Context window
33K
Max output
29K
Knowledge cutoff
2023-12-31

Training data ends here — newer events require retrieval or web search.

What would AionLabs: Aion-RP 1.0 (8B) cost you per month?

WorkloadRequests/moAvg tokens (in/out)Est. monthly cost
Light chatbot10,000800 / 400$12.80
Coding agent5,0008,000 / 2,000$48.00
RAG pipeline30,0004,000 / 500$120.00
Doc summarizer2,00020,000 / 1,000$35.20

Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.

About AionLabs: Aion-RP 1.0 (8B)

Aion-RP-Llama-3.1-8B ranks the highest in the character evaluation portion of the RPBench-Auto benchmark, a roleplaying-specific variant of Arena-Hard-Auto, where LLMs evaluate each other’s responses. It is a fine-tuned base model...

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Frequently asked questions

How much does AionLabs: Aion-RP 1.0 (8B) cost?

AionLabs: Aion-RP 1.0 (8B) costs $0.800 per 1M input tokens and $1.60 per 1M output tokens. Verified 2026-10-21 — provider source.

What is the context window?

33K tokens, with up to 29K output tokens per response. That's roughly 41 pages of text in a single request.

Does it support prompt caching?

Prompt-caching pricing is not published for this model via OpenRouter.

What's a cheaper alternative?

ScaleDown: Summarize saves about 97% on a typical workload with comparable quality.

Official resources