Best Z.ai alternatives

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ChatGPT

Free

Chat assistants

OpenAI's conversational AI — the world's most widely-used LLM interface.

Free ($0/mo), Go ($8/mo), Plus ($20/mo), Pro (from $100/mo), Business and Enterprise plans also available.

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Gemini

Free

Chat assistants

Google's multimodal AI assistant with deep Search and Workspace integration

Free tier available

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Meta AI

Free

Chat assistants

Meta's free AI assistant built into Instagram, WhatsApp, Messenger, and Facebook.

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Grok

Free

Chat assistants

xAI's witty, real-time AI — has live access to X (Twitter) data and minimal content restrictions.

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Claude

Free

Chat assistants

Anthropic's safety-focused AI assistant — exceptional at long documents and nuanced reasoning.

Free ($0); Pro ($17/mo annual or $20/mo monthly); Max ($100–$200/mo); Team ($20/seat/mo annual or $25/mo monthly for standard, $100/seat/mo annual for premium); Enterprise (custom)

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Character.AI

Free

Chat assistants

Create and chat with AI characters — bring any persona to life

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Poe

Free

Chat assistants

One platform to access, chat, and build with the world's best AI models

Points-based system mentioned ('Get more points')

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DeepSeek

Free

Chat assistants

Frontier AI models with world-class reasoning — free to chat, open to build on

Free to use with API options available

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Pi

Free

Chat assistants

Your personal AI — a kind, supportive conversational companion powered by Inflection AI

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Voiceflow

Free

Chat assistants

The operating system for AI customer experience — build, launch, and scale advanced AI agents

Agencies & Partners plan includes free trial with no credit card required, transparent usage-based billing, multi-client workspace management, white-labeling, and access to all major model providers. Businesses plan requires booking a demo for pricing.