AI Chatbots Tested: Same 3 Tasks, 8 AIs, Real Results [2026]

Which AI chatbot is actually the best? I tested all 8 major ones with identical tasks to find out.

The Test

Each AI received 3 tasks:
1. Math: A junior high algebra problem (reasoning)
2. Writing: A social media post (language)
3. Coding: A Python function (programming)

Scored out of 5 for each, total out of 15.

Results

🥇 DeepSeek — Overall Champion (14.5/15)

• Math: 5/5 — Solved correctly with 3 alternative methods
• Writing: 4.5/5 — Quality but slightly formal
• Coding: 5/5 — Complete code with comments and error handling
• Free: ✅ Unlimited

🥈 ChatGPT — Best All-Rounder (13.5/15)

• Math: 5/5 — Clear reasoning
• Writing: 5/5 — Creative and natural
• Coding: 4.5/5 — High quality but sometimes over-engineered
• Free: ⚠️ Limited

🥉 Tongyi Qianwen — Best Chinese (13/15)

• Math: 4/5 — Correct but less detailed
• Writing: 5/5 — Most natural Chinese
• Coding: 4/5 — Good for basics
• Free: ✅ Yes

Claude — Best English Writer (11.5/15)

• Exceptionally good at English writing
• Chinese is weaker
• Strong reasoning

Kimi — Best Long Text (10.5/15)

• 2M token context is unbeatable
• Not great at reasoning or coding
• Best for document analysis

The Rest

• Doubao: Best voice interaction (9.5/15)
• Ernie Bot: Best search integration (10.5/15)
• Gemini: Best multimodal (10.5/15)

Quick Pick

If you pick only one: DeepSeek. Free, no VPN, strong at everything.