Swallow - Japanese MT-Bench - STEM: leaderboard

From the Swallow LLM Leaderboard: Japanese MT-Bench (Nejumi edition, v4 questions with corrected v2 reference answers), two-turn dialogues graded by GPT-5.2 against references; normalized 0-1 upstream, shown as 0-100, higher is better. This board covers the STEM category: explanations in physics, chemistry, biology, geography, architecture and machine learning.

Metric: Judge Score (normalized, %). Source: swallow-llm.github.io. Saturation forecast: Estimated already saturated. 68 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 Mini (2025-08-07) (Medium)83.8#175 (GPT-5 Mini (2025-08-07))
2GPT-5.4 (2026-03-05) (Medium)83.2#63 (GPT-5.4 (2026-03-05))
3GPT-5 (Medium)83.1#105 (GPT-5)
4O3 (2025-04-16) (Medium)80.5#125 (O3 (2025-04-16))
5Gemma 4 31B (IT) (Thinking)77.9#178 (Gemma 4 31B (IT))
6Qwen 3.5 122B A10B (Thinking)77.1#184 (Qwen 3.5 122B A10B)
7Qwen 3.5 27B (Thinking)76.5#192 (Qwen 3.5 27B)
8Qwen 3.5 35B A3B (Thinking)76#268 (Qwen 3.5 35B A3B)
9gemma-4-26B-A4B-it (Thinking)75.9
10Qwen 3 235B A22B 2507 Instruct75.6#315
11O3 Mini (Medium)73.7#282 (O3 Mini)
12Qwen 3 Next 80B A3B (Thinking)73#312
13GPT-OSS-Swallow-120B-RL-v0.1 (Thinking)72.9#309 (GPT-OSS-Swallow-120B-RL-v0.1)
14Qwen 3 235B A22B 2507 (Thinking)72.8#263
15Qwen 3 Next 80B A3B Instruct72.4#381

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

Interactive version: theaggregate.ai/benchmark?slug=swallow-japanese-mt-bench-stem · How It Works · Data refreshed daily, snapshot 2026-11-05.