Japanese Language - AI Models Benchmark Compare Multilingual LLM Performance

The top 5 AI models for Japanese language tasks are Gemini 3.1 Pro Preview, Gemini 3 Pro Preview (high), Claude Opus 4.6 (max), Claude Opus 4.6 (non-reasoning, high), and Claude Opus 4.5. They achieve the highest Japanese language reasoning scores in the Artificial Analysis Multilingual Index.

To compare performance across all supported languages, see the full Multilingual AI Model Benchmark page.

🇯🇵 Top models for Japanese language

#1
Gemini 3.1 Pro PreviewGemini 3.1 Pro Preview
94#2
Gemini 3 Pro Preview (High)Gemini 3 Pro Preview (high)
93#3
Claude Opus 4.6 (Max)Claude Opus 4.6 (max)
93#4
Claude Opus 4.6 (Non-reasoning, High)Claude Opus 4.6 (non-reasoning, high)
93#5
Claude Opus 4.5 (Reasoning)Claude Opus 4.5
93
Multilingual Index: Japanese · Higher is better
Output tokens divided by total request time, including time to first token · Higher is better
USD per 1M tokens (blended) · Lower is better

Multilingual Index

Multilingual Index: Japanese Language

Artificial Analysis Multilingual Index · Higher is better

Multilingual Index: Japanese Language vs. Price

Artificial Analysis Multilingual Index · USD per 1M tokens (blended)
Most attractive quadrant

Multilingual Index: Japanese Language vs. Output Speed

Artificial Analysis Multilingual Index · Output speed: output tokens divided by total request time, including time to first token
Most attractive quadrant

Multilingual Index: Japanese Language vs. Context Window

Artificial Analysis Multilingual Index · Context window: tokens limit
Most attractive quadrant

Global-MMLU-Lite

Multilingual Global-MMLU-Lite: Japanese Language

Multilingual Global-MMLU-Lite · Higher is better

Pricing

Pricing: Cache Hit, Input, and Output

Price (USD per M Tokens)

Speed & Latency

Output Speed

Output tokens divided by total request time, including time to first token · Higher is better

Time to First Answer Token

Seconds to first answer token received · Accounts for reasoning model 'thinking' time