Two assistants, one scorecard, verdict first. Every number in a comparison is traceable to the same fact base as the main ranking; cells still under verification are marked pending rather than filled.
ChatGPT vs Gemini on Zapier's 2026 notes: ChatGPT Go $8 and Plus $20; Google AI Plus $7 and AI Pro $19.99; each product's reliability record. (Source: https://zapier.com/blog/best-ai-chatbot/)
ChatGPT vs Perplexity on Zapier's 2026 notes: citations by default, a generous free tier, Pro at $17 and ChatGPT's uneven citation record. (Source: https://zapier.com/blog/best-ai-chatbot/)
Free AI chatbot plans on Zapier's 2026 notes: what eight chatbots allow for free, and the next paid step. (Source: https://zapier.com/blog/best-ai-chatbot/)
Zapier's 2026 notes on training-data controls in Meta AI, DeepSeek and Duck.ai, and which settings to check first. (Source: https://zapier.com/blog/best-ai-chatbot/)
Grok on Zapier's 2026 notes: real-time X access, reasoning modes, accuracy issues, the X Premium bundle and SuperGrok at $10 and $30. (Source: https://zapier.com/blog/best-ai-chatbot/)