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Aion Labs

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...

Model facts

Context window
33K tokens
Maximum output
29K tokens
Cheapest paid input
$0.8 per 1M tokens
Cheapest paid output
$1.6 per 1M tokens
Open weights
no
Providers
1

Capabilities and modalities

temperature control, text.

Observed price history

  • 2026-08-24: $0.8 input / $1.6 output per 1M tokens

API providers

  • OpenRouter — model id aion-labs/aion-rp-llama-3.1-8b; $0.8 input / $1.6 output per 1M tokens; provider documentation