Yi-Coder-9B-Chat: benchmark results

01.AI's Yi-Coder-9B-Chat, a code-focused chat model fine-tuned from Yi-Coder-9B, supporting 52 programming languages with up to 128K context. Provider: 01.AI. Released 2024-09-05. Access: Open.

Aggregate Rating 1388 ± 13, rank #1262 of 1656 rated models, from 86 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
MERA Code - YABLoCo13.46pass@1 (%)93.8
MERA - ruHumanEval41.4pass@1 (%)81.8
MERA - ruCodeEval38.35pass@1 (%)79
Open Korean LLM - Ko-IFEval37.64Strict accuracy, prompt/instruction mean (%)78.9
XRepoTest - Ruby - Line Coverage9.37Focal line coverage (%; of all focal functions)76.9
MERA - BPS98.5Accuracy (%)76.2
MERA - RWSD61.54Accuracy (%)73.8
MERA - LCS16.6Accuracy (%)68.3
MERA Code - JavaTestGen22.91pass@1 (%)66.9
RoundTripCodeEval - Huffman Coding1.87Mean of exact match, edit similarity and pass@5 (%) over the64.3
Open Korean LLM - Ko-GSM8K (flexible extract)27.52Exact match, flexible extract (%)61.7
MERA Code - ruCodeEval35pass@1 (%)60

Interactive version: theaggregate.ai/model?slug=yi-coder-9b-chat · How It Works · Data refreshed daily, snapshot 2026-10-20.