Best ChatGPT alternatives in 2026
ChatGPT is listed under AI Assistants (free plan, paid from $8/month). The closest alternatives on Finder Atlas in 2026 are Microsoft Copilot, DeepSeek and Google Gemini, with 5 more below.
8tools · pricing and features checked against each vendor’s site
Quick picks
- Closest overall
- Microsoft Copilot
Freemium · Free plan, paid from $9.99/month
- With an API
- DeepSeek
Freemium · Free plan, paid from $0.15/1M input tokens
ChatGPT alternatives, compared
Microsoft Copilot
FreemiumAI Assistants
Microsoft's AI assistant for chat, writing and research across web, apps and Microsoft 365
- Free tier with chat, image creation and voice on web, desktop and mobile
- Built into Word, Excel, PowerPoint, Outlook and Teams for Microsoft 365 subscribers
Free plan, paid from $9.99/month · Web, Windows, macOS · Mobile app
DeepSeek
FreemiumAI Assistants
Free AI chat app and low-cost API running DeepSeek's open-weights V4 models
- Web chat and mobile apps are free
- API output costs from $0.60 per 1M tokens (Flash, off-peak), well below most frontier providers
Free plan, paid from $0.15/1M input tokens · Web, iOS, Android · API · Mobile app
Google Gemini
FreemiumAI Assistants
Google's AI assistant for chat, research, image and video creation, and Workspace apps
- A capable free tier that includes Deep Research, Gemini Live, image generation and Canvas
- Integration with Gmail, Docs, Drive, Maps and YouTube for people already in Google's ecosystem
Free plan, paid from $4.99/month · Web, iOS, Android · API · Mobile app
Mistral Vibe (formerly Le Chat)
FreemiumAI Assistants
Mistral AI's chat assistant and coding agent for everyday work and software tasks
- Free plan includes web search, basic image generation and 100+ connectors
- Pro at $14.99 per month includes $15 per month in API credits
Free plan, paid from $14.99/month · Web, iOS, Android · API · Mobile app
Perplexity
FreemiumAI Assistants
AI answer engine that searches the live web and cites its sources
- Every answer links to numbered sources, so claims are easy to check
- Free plan includes search with citations
Free plan, paid from $20/month · Web, iOS, Android · API · Mobile app
Kimi
FreemiumAI Assistants
Chat, research and agent assistant from Moonshot AI, built on its Kimi K3 model
- International USD plans start at $19/month and include Kimi Code and Agent Swarm.
- Broad agent toolset: deep research, slides, documents, spreadsheets, website building and scheduled tasks.
Free plan, paid from $19/month · Web, macOS, iOS · API · Mobile app
AI Assistants
Anthropic's AI assistant for writing, analysis, coding and working with files
- Free plan includes web search, file creation, code execution and memory
- Artifacts show generated code and pages beside the chat
Free plan, paid from $20/month · Web, macOS, Windows · API · Mobile app
AI Assistants
xAI's AI assistant with live X and web search, image and voice tools
- Searches both X posts and the web for current information
- Free tier available without a subscription
Free plan, paid from $8/month · Web, iOS, Android · API · Mobile app
Frequently asked questions
What is the closest alternative to ChatGPT?
Microsoft Copilot. Microsoft's AI assistant for chat, writing and research across web, apps and Microsoft 365. It is freemium (free plan, paid from $9.99/month).
Is there a free alternative to ChatGPT?
Yes. Microsoft Copilot is freemium (free plan, paid from $9.99/month). Microsoft's AI assistant for chat, writing and research across web, apps and Microsoft 365
Which ChatGPT alternatives have an API?
DeepSeek, Google Gemini, Mistral Vibe (formerly Le Chat), Perplexity, Kimi, Claude and Grok offer an API.
How are these alternatives chosen?
They share the tool's category and overlap in audiences, tags, pricing model, platforms and API availability. Some are picked by Finder Atlas editors, who add a one-line reason. Ratings come only from reviews on Finder Atlas.
Looking at ChatGPT itself? See its pricing, features and reviews, or browse all AI Assistants tools.