Aion RP 1.0 8B

aion-labs

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 rather than an instruct model, designed to produce more natural and varied writing.

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Example Use Cases

Roleplaying or character writing

Creative fiction with natural prose

Character-driven dialogue

Technical Specifications

Context Window

32,768 tokens

Max Output

32,768 tokens

Cache Miss Cost

$0.80 per 1M tokens

Non-Reasoning Cost

$1.60 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus