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Head-to-head comparison

Aion-3.0 vs Aion-RP 1.0 (8B)

Aion-3.0 (Aion Labs) and Aion-RP 1.0 (8B) (Aion Labs) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, Aion-3.0 holds the stronger ModelCap Index position (#112 vs #113); Aion-RP 1.0 (8B) is 3.8× cheaper per output token ($1.60/1M vs $6.00/1M); and Aion-3.0 offers the longer context window (131K vs 33K tokens).

Which should you choose?

Choose Aion-3.0 if…

  • you want the stronger overall ModelCap Index position — #112 against #113 (22.5 vs 22.5 points).
  • you need the longer context window — 131K tokens against 33K.
  • you want the more recently listed model — Aion-3.0 was listed 7 July 2026, Aion-RP 1.0 (8B) 4 February 2025.

Choose Aion-RP 1.0 (8B) if…

  • API cost matters — $1.60/1M output tokens against $6.00/1M, about 3.8× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.80/1M against $3.00/1M.

Aion-3.0 vs Aion-RP 1.0 (8B): specs, pricing and context

Specification comparison of Aion-3.0 and Aion-RP 1.0 (8B)
FieldAion-3.0Aion LabsAion-RP 1.0 (8B)Aion Labs
ModelCap Index position#112#113
Index score22.522.5
EvidenceEstimatedEstimated
Input price / 1M tokens$3.00$0.80
Output price / 1M tokens$6.00$1.60
Context window131K tokens33K tokens
Max output tokens33K33K
API providers listed11
Weight accessAPI onlyAPI only
Input modalitiesTextText
First listed7 July 20264 February 2025
PublisherAion LabsAion Labs

Evidence: global corpus prior · leave-one-anchor-out calibrated · global corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Aion-3.0 vs Aion-RP 1.0 (8B)

Neither model has a published result on a public benchmark board ModelCap tracks yet.

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Aion-3.0 vs Aion-RP 1.0 (8B): common questions

Is Aion-3.0 better than Aion-RP 1.0 (8B)?

Aion-3.0 ranks higher on the ModelCap Index as of 17 August 2026: #112 against #113. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Aion-3.0 cheaper than Aion-RP 1.0 (8B)?

Aion-RP 1.0 (8B) is cheaper on output tokens: $1.60/1M against $6.00/1M. Input tokens are $3.00/1M for Aion-3.0 and $0.80/1M for Aion-RP 1.0 (8B). Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Aion-3.0 or Aion-RP 1.0 (8B)?

Aion-3.0 has the larger context window: 131K tokens against 33K.

Which is better for coding, Aion-3.0 or Aion-RP 1.0 (8B)?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Aion-3.0 and Aion-RP 1.0 (8B) open-weight models?

Aion-3.0: API only. Aion-RP 1.0 (8B): API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Aion-3.0 and Aion-RP 1.0 (8B)?

ModelCap currently lists 1 API provider for Aion-3.0 and 1 for Aion-RP 1.0 (8B), from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Aion-3.0 vs Aion-RP 1.0 (8B) comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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