Aion Labs

Aion-RP 1.0 (8B)

Generally availableProprietary33K context

Summary

Aion-RP 1.0 (8B) is a proprietary language model from Aion Labs, released on 4 Feb 2025. It accepts text and generates text, with a 33K-token context window and up to 29K output tokens per response. As of 17 Oct 2026, the lowest listed API price is $0.80 per million input tokens and $1.60 per million output tokens (OpenRouter), across 1 provider we track.

Open Llama instruction model for multilingual chat, reasoning, and coding

Last verified 17 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperAion Labs
Release date4 Feb 2025 [models.dev]
StatusGenerally available [models.dev]
WeightsProprietary (API only) [models.dev]
Context window33K (32,768 tokens) [models.dev]
Max output29K tokens [models.dev]
Knowledge cutoff31 Dec 2023 [models.dev]
InputText [models.dev]
OutputText [models.dev]
Reasoning modeNo [models.dev]
Tool callingNo [models.dev]
Structured outputNo [models.dev]

Aion-RP 1.0 (8B) API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
OpenRouter
aion-labs/aion-rp-llama-3.1-8b
$0.80$1.60–33KOpenRouter, 17 Oct 2026

Frequently asked questions

What is the context window of Aion-RP 1.0 (8B)?

Aion-RP 1.0 (8B) has a context window of 32,768 tokens (33K) and can generate up to 29,491 tokens in a single response, according to models.dev.

How much does the Aion-RP 1.0 (8B) API cost?

Aion-RP 1.0 (8B) is listed from $0.80 per million input tokens and $1.60 per million output tokens (OpenRouter). Prices last verified 17 Oct 2026.

Is Aion-RP 1.0 (8B) open source?

No. Aion-RP 1.0 (8B) is a proprietary model; Aion Labs has not released its weights. It is available through APIs including OpenRouter.

When was Aion-RP 1.0 (8B) released?

Aion Labs released Aion-RP 1.0 (8B) on 4 Feb 2025, according to models.dev.

Change history

  • Now listed on OpenRouter
  • Added to the directory

Sources