---
id: "aion-labs/aion-rp-llama-3.1-8b"
also: ["aion-labs/aion-rp-llama-3.1-8b", "aion-labs/Aion-RP-Llama-3.1-8B"]
card_usd_per_m: "0.8 in, 1.6 out, at aion-labs"
cheapest_list_usd_per_m: "0.8 in, 1.6 out, at aion-labs on openrouter"
cheapest_effective_usd_per_m: "0.7997 in, 1.5963 out, at aion-labs on openrouter"
context: 32768
max_output: 29491
input: ["text"]
output: ["text"]
released: "2025-02-04"
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["max_tokens", "temperature", "top_p"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 1
---
# 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...