AionLabs: Aion-RP 1.0 (8B)

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.

Context
33K
Max output
29K
Input price
$0.8/1M tokens
Output price
$1.6/1M tokens

Capabilities

Infrastructure
Streaming

Details

Model IDaion-labs/aion-rp-llama-3.1-8b
Provider OpenRouter
Creator aion-labs
Family—
License—
Status—
Type—
Input modalitiestext
Output modalitiestext
Open weight—
Parameters8B
Architecture—
Context window33K tokens
Max input—
Max output29K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Pricing

Input
$0.8
Output
$1.6
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/aion-labs/aion-rp-llama-3.1-8b

AionLabs: Aion-RP 1.0 (8B)

aion-labs/aion-rp-llama-3.1-8b

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.

Changes · 4 entries
aion-labs/aion-rp-llama-3.1-8bupdateca7a400Nov 2, 2026, 03:02 AM
max_output_tokens32768→29491
aion-labs/aion-rp-llama-3.1-8bupdatee3d7dedAug 31, 2026, 04:13 AM
max_output_tokens32768→29491
aion-labs/aion-rp-llama-3.1-8bupdate2b100acMar 23, 2026, 05:30 AM
parameters8
release_date2025-02-04
taglineAion-RP-Llama-3.1-8B ranks the highest in the character e...
aion-labs/aion-rp-llama-3.1-8bcreate7f5c66fMar 21, 2026, 05:16 AM