pfgen-bench - Completion Mode - Score: leaderboard

pfgen-bench (Preferred Networks) asks 50 Japanese questions expecting formal answers of about 100 characters and scores them without an LLM judge, averaged over trials; each metric is discounted linearly past 100 characters, to zero at 150. Completion mode: the task is shown only through 20 example question-answer pairs. Score is the mean of fluency, truthfulness and helpfulness; reference answers score 1.05, higher is better.

Metric: pfgen Score (mean of three). Source: github.com. Saturation forecast: Estimated already saturated. 314 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek V30.93#329
2Qwen 3 235B A22B (Non-reasoning)0.81#323 (Qwen 3 235B A22B)
3plamo-2-8B0.75#839
4sarashina2.2-3B-instruct-v0.10.75#1115
5sarashina2-70B0.74#586
6c4ai-command-r-plus0.74#760
7sarashina2.2-3B0.73#766
8Nemotron-4 340B Instruct0.72#644
9Mistral Large 2 (Nov) Instruct (2411)0.71#480
10sarashina2-13B0.69#898
11Llama 3.1 405B0.68#476
12llm-jp-3-13B0.67#1176
13Qwen 3 32B (Non-reasoning)0.66#449 (Qwen 3 32B)
14Qwen 2.5 72B0.65#512
15sarashina2-7B0.65#1134

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=pfgen-bench-completion-mode-score · How It Works · Data refreshed daily, snapshot 2026-11-05.