Best Free FastGPT Alternatives

27 alternatives to FastGPT with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.

Replacing: FastGPT — FastGPT is an open-source platform for building AI agents and knowledge-base applications.Input: text, documents, web pages · Output: apps
1
No-code AI workflows
Input: text, documents · Output: apps
Free planFrom $35/moAPI
AI Agent
2
Drag and drop AI
Input: text · Output: apps
Free planAPI
AI Agent
3
Rasa is an agent platform for product teams building customer-facing AI.
Input: text, code · Output: apps
Free planAPITeams
AI Agent
4
AI apps without code
Input: text, documents · Output: apps
Free planFrom $590/moAPI
AI Agent
5
HARPA AI is a Chrome Extension and NoCode RPA platform that automates web tasks to save time and money. It uses a hybrid AI engine built on ChatGPT and Machine Learning to perform tasks such as provid
Input: text, web pages · Output: text, data
Free planFrom $14.3/mo
AI Agent

Can it really replace FastGPT? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.

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At a glance: top FastGPT alternatives

ToolMatchInputOutputPricingFree planRatingCategory
Flowise 82% text, documents apps From $35/mo Yes — AI Agent
Langflow 81% text apps Free Yes — AI Agent
Rasa 80% text, code apps Freemium Yes — AI Agent
Dify 78% text, documents apps From $590/mo Yes — AI Agent
Harpa 76% text, web pages text, data From $14.3/mo Yes — AI Agent
MiniMax Agent 75% text, images, documents text, images, video, documents, apps Freemium Yes — AI Agent

Frequently asked

What is the best free FastGPT alternative?
Flowise (82% match) is the closest free alternative to FastGPT: No-code AI workflows. Langflow (81% match) and Rasa (80% match) come next.
What is the best FastGPT alternative for automating tasks with agents?
Flowise ranks first for automating tasks with agents at 86% match. See the full list of FastGPT alternatives for AI Agents.
What is the best FastGPT alternative for chatting with a chatbot?
Z.ai ranks first for chatting with a chatbot at 81% match. See the full list of FastGPT alternatives for Chatbots.
What is the best FastGPT alternative for managing knowledge?
Gurubase ranks first for managing knowledge at 83% match. See the full list of FastGPT alternatives for Knowledge Management.
How is the match percentage calculated?
It measures how much of FastGPT's job a tool can take over: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.

How this list is ranked

The match score measures how much of FastGPT's job each tool can take over: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.

Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.