AI Writing Tool Review: ChatGPT, Claude, DeepSeek, Wenxin Yiyan -- Which Is Best?
Why Use AI Writing Tools?
In 2025, AI writing is no longer new. From content creation to professional document writing, AI-assisted writing is changing how content is produced.
Major AI Writing Tool Comparison
ChatGPT (GPT-4.1)
- Chinese Writing Quality: ★★★★☆
- Price: $20/month (Plus)
- Strengths: Strong comprehension, excellent multi-turn conversations
- Weaknesses: Some Chinese expressions feel translated
Claude 4 Sonnet
- Chinese Writing Quality: ★★★★★
- Price: $20/month (Pro)
- Strengths: Best for long-form writing, rigorous logic, natural style
- Weaknesses: Limited Chinese web search capability
DeepSeek V3/R1
- Chinese Writing Quality: ★★★★★
- Price: ¥1/million tokens (extremely low)
- Strengths: Best value, deep Chinese understanding
- Weaknesses: Unstable access from overseas
Wenxin Yiyan 4.0
- Chinese Writing Quality: ★★★★☆
- Price: ¥50/month
- Strengths: Baidu ecosystem integration, good Chinese cultural understanding
- Weaknesses: Less creative than overseas products
Price Comparison
| Tool | Input Price | Output Price | How many characters per ¥1 |
|---|---|---|---|
| ChatGPT | $2/M token | $8/M token | ~3000 characters |
| Claude | $3/M token | $15/M token | ~1500 characters |
| DeepSeek | ¥1/M token | ¥2/M token | ~200,000 characters |
| Wenxin Yiyan | ¥5/M token | ¥10/M token | ~20,000 characters |
Selection Advice
- Best value: Choose DeepSeek — Chinese quality rivals Claude at 1/10th the price
- Quality first: Choose Claude 4 Sonnet — unmatched for long-form writing
- China-based users: Choose DeepSeek or Wenxin Yiyan for stable access