📝 Comparison of AI writing tools
Model specification comparison
| tool | Model | context | knowledge cutoff | Number of languages | API | free | Starting from monthly fee |
|---|
| ChatGPT | GPT-5 | 256K | 2026.03 | 95+ | OpenAI | limited | $20 |
| Claude | Opus 4 | 500K | 2026.01 | 50+ | Anthropic | limited | $20 |
| DeepSeek | DeepSeek-V4 | 128K | 2025.12 | 20+ | have | completely | free |
| Kimi | Kimi-L2 | 2 million | 2026.02 | 10+ | have | have | About ¥30 |
| bean bag | Doubao-Pro | 32K | 2026.04 | 5+ | have | have | About ¥20 |
Comparison of functional features
| tool | Internet search | File upload | multimodal input | code execution | Plug-in ecology | Chinese writing | creative writing |
|---|
| ChatGPT | ✅ | ✅Multiple formats | ✅ Pictures/audio/videos | ✅ | ⭐ The richest | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Claude | ✅ | ✅ PDF/Documents | ✅ Pictures | ✅ | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| DeepSeek | ✅ | ✅ Documentation | ❌ | ✅ | ⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ |
| Kimi | ✅ | ✅Multiple formats | ✅ Pictures | ❌ | ⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
| bean bag | ✅ | ✅ | ✅ Picture + Voice | ❌ | ⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ |
Scenario recommendation
- academic research: ChatGPT + Consensus(Search papers)
- Chinese long article creation: DeepSeek(Free) + Kimi(extremely long context)
- social media/marketing: bean bag(Chinese is the most colloquial)
- English professional writing: ChatGPT + Claude
- literary creation: Claude(The most delicate writing style)
- zero budget plan: DeepSeek Completely free and enough
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