Alternatives · 2026
Best Fleak Alternatives in 2026
24 alternatives · 19 with a free plan · Updated
What are the best Fleak alternatives?
The best Fleak alternatives for AI Agent in 2026 are MCP Playground (AI workflow tool for testing, free), HumanLayer (API and SDK, free) and Dify.AI (open-source LLMOps platform for building, freemium). 19 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than Fleak? Below are 24 alternatives in AI Agent, AI API and AI Developer Tools, all closely matched, ranked by how much they overlap with Fleak. Fleak itself is free. Each entry shows what the tool does, what it shares with Fleak, its key features and pricing.
What is Fleak?
Fleak runs as a serverless API builder, so you turn an AI workflow into a callable endpoint without managing servers. The Fleak platform is a no-code and low-code AI workflow tool meant for data teams, with integrations for connecting the pieces and support for large language models and embeddings.
Fleak alternatives compared
| Tool | Pricing | Shared with Fleak | Match |
|---|---|---|---|
| Fleak | Free | — | Original |
| MCP Playground | Free | AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other | Strong match |
| HumanLayer | Free | AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), Other | Strong match |
| Dify.AI | Freemium | AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other | Strong match |
| Vapi | Enterprise | AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code | Strong match |
| Diaflow | Freemium | AI Agent, AI Developer Tools, AI For Data Analytics, AI Workflow, No-Code&Low-Code | Strong match |
Top 24 alternatives to Fleak
- #1
MCP Playground is an AI workflow tool for testing, debugging, and connecting MCP servers, with secure internal document search.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other
- Offers flexible deployment options (on-computer
- Focuses on data security and compliance (SOC 2
- HIPAA
Pricing: free
- #2
API and SDK that lets AI agents pause and ask a human for approval or help, with replies sent through Slack, email, or Discord.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), Other
- Works with all popular frameworks
- Send to Slack
Pricing: free
- #3
Open-source LLMOps platform for building, running and monitoring generative AI apps, with LLM workflows, knowledge documents and an API.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other
- Open-source LLMOps platform for building and operating generative AI applications
Pricing: free plan, paid plans from $59
- #4
Vapi is a developer platform for building, testing, and deploying voice AI agents, with a configurable API and 40+ app integrations.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code
- Developer-friendly API
- Configurable and scalable
- Integrates with 40+ apps
Pricing: custom quote
- #5
Diaflow is a no-code platform for building AI agents, internal apps, and automated workflows, with a free Basic plan and paid tiers from $49 a month.
In common with Fleak: AI Agent, AI Developer Tools, AI For Data Analytics, AI Workflow, No-Code&Low-Code
Pricing: free plan, paid plans from $49
- #6
Tool suite for AI web scraping and browser automation, connecting AI agents to web data through natural language queries.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
- A tool suite connecting AI agents to web data for precise automation via natural language
Pricing: free
- #7
Higress.AI is an AI-native API gateway for managing LLM API traffic, costs, and security, built on Istio and Envoy.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
- AI-native API gateway capabilities
- Extensible with Wasm plugins
- Supports multiple AI models and versions
Pricing: free
- #8
AI predictive analytics tool that automates business workflows and document extraction using machine learning and computer vision.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI For Data Analytics, AI Workflow, Large Language Models (LLMs), Other
Pricing: free
- #9
No-code platform for building AI workflows and agents that automate business processes and connect to OpenAI, Anthropic, and Google models.
In common with Fleak: AI Agent, AI API, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other
- It integrates with LLM models and APIs from OpenAI
- Anthropic
Pricing: free
- #10
Web scraping API that turns a website into structured JSON data from a plain-language prompt.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI For Data Analytics, Large Language Models (LLMs), Other
- AI-powered web scraping API converting websites to structured JSON with a simple prompt
Pricing: free
- #11
PremAI is a private AI platform for enterprises and consumers, with custom finetuned models, encrypted inference, and open-source RAG models.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
Pricing: custom quote
- #12
Record is an AI customer support platform for B2B SaaS teams that investigates user sessions and logs and runs automated QA end-to-end testing.
In common with Fleak: AI Agent, AI Developer Tools, AI Workflow, Large Language Models (LLMs), Other
Pricing: free
- #13
Composio is an MCP server platform that connects apps to LLMs, IDEs, and Claude through 250+ managed MCP servers.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
- Just one line of code connects apps to your preferred MCP hosts effortlessly
- IDEs
Pricing: free
- #14
No-code GPT action builder that connects custom GPTs to apps through Zapier, Make.com and ActivePieces workflows, without writing OpenAPI specs.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), No-Code&Low-Code, Other
Pricing: free
- #15
No-code AI integration platform for developers that connects multiple data sources and APIs into one unified API.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, No-Code&Low-Code
- It accelerates development and speeds time to market
- It is trusted by companies like
Pricing: custom quote
- #16
Zedblock is a no-code platform for building custom AI agents, search tools, APIs and web scrapers to automate business operations and scheduling.
In common with Fleak: AI Agent, AI API, AI For Data Analytics, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code
- AI-driven platform for business automation and scalability
Pricing: free
- #17
Cloud sandboxes that let AI agents run code securely, with MCP integration, persistent memory, and SOC2 and GDPR compliance.
In common with Fleak: AI Agent, AI Developer Tools, AI For Data Analytics, AI Workflow, Large Language Models (LLMs), Other
- Runs AI Agents Reliably
- At Scale
- Offers first MCP-Integrated Cloud Sandboxes for secure code execution
Pricing: custom quote
- #18
No-code AI agent builder where you add skills and data sources, then publish or trade agents in its marketplace.
In common with Fleak: AI Agent, AI API, AI Developer Tools, AI Workflow, No-Code&Low-Code
- No-code AI agent development platform and trading marketplace
Pricing: free
- #19
Pinecone is a managed vector database that stores embeddings and runs fast similarity search for AI apps, semantic search and retrieval-augmented generation.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
- Includes limited usage of Serverless
- Inference
- Pay-as-you-go for Serverless
Pricing: free plan, paid plans from $25
- #20
AwanLLM is an LLM API that offers unlimited token generation on a monthly subscription, running on its own datacenters and GPUs for AI inference.
In common with Fleak: AI Agent, AI API, Large Language Models (LLMs), Other
- Unlimited token generation
- Owns its own datacenters and GPUs
- Supports a variety of use cases
Pricing: free
- #21T
Cloud infrastructure for LLMs that lets developers build, deploy and debug AI agents with memory, RAG and automated evals.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), No-Code&Low-Code, Other
- Reduces development time for AI agents
- Provides a complete cloud infrastructure for LLMs
- Offers built-in features like RAG
Pricing: free
- #22
UsageGuard is an AI gateway that gives developers one API for many AI models, with security safeguards, cost control, and usage tracking.
In common with Fleak: AI Agent, AI API, AI Developer Tools, Large Language Models (LLMs), Other
- It provides AI security
Pricing: custom quote
- #23
Browseragent is a no-code tool for building custom AI agents that automate browser tasks, with no API costs.
In common with Fleak: AI Agent, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other
- Create custom AI agents to automate browser tasks with no API costs
Pricing: free
- #24
No-code AI workflow platform for building and deploying LLM workflows, with multi-LLM routing, caching and cost controls for developers.
In common with Fleak: AI API, AI Developer Tools, AI Workflow, Large Language Models (LLMs), No-Code&Low-Code, Other
- No-code AI workflow platform with multi-LLM support and cost optimization
Pricing: free
How we picked these Fleak alternatives
We rank tools by how closely they match Fleak: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.
Frequently asked questions
What are the best alternatives to Fleak in 2026?
The closest alternatives to Fleak are MCP Playground, HumanLayer, Dify.AI, Vapi and Diaflow. They are ranked by how many categories and tags they share with Fleak and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to Fleak?
MCP Playground is the closest match because it shares AI Agent, AI API and AI Developer Tools with Fleak. It is free.
Are there free alternatives to Fleak?
Yes. 19 of the 24 alternatives have a free or freemium plan, including MCP Playground (free), HumanLayer (free), Dify.AI (freemium), Diaflow (freemium) and AgentQL (free). Fleak is free.
Which Fleak alternatives are paid or enterprise tools?
Vapi (enterprise), PremAI (enterprise), fastn (enterprise), AgentSphere (enterprise) and UsageGuard (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.
How does Fleak compare to MCP Playground?
MCP Playground overlaps with Fleak in AI Agent, AI API and AI Developer Tools. Its listed features include offers flexible deployment options (on-computer, focuses on data security and compliance (SOC 2 and HIPAA. Pricing: free. Open the side-by-side compare page for a full breakdown.
What category is Fleak in?
Fleak is listed under AI Agent on SoftwareVital. Browse that category to see more tools in the same group.