18.4
Dify is an open-source platform for building AI applications with workflows, knowledge retrieval, model management, observability, and tools.
Free planOpen sourceWebAPIExtension
Best AI Development Tools in 2026
AI development tools let you build software with model connections, APIs, generated code and agent-based workflows. This category includes browser services, APIs and tools that can run on Linux, macOS, Windows or self-hosted systems. Assess model and API availability, deployment choices, coding and agent capabilities, monthly AI credits and pricing. If you work from an Android phone or tablet, check for an Android…
28.4
Replit is a software creation platform where users can build applications with natural-language prompts and an AI agent.
Free planAndroidiOSWeb
38.3
Cursor is a coding agent for building software, with a desktop app for macOS, Windows, and Linux.
Free planiOSWebAPI
- 4
Bolt.new
Bolt.new builds websites and web apps from natural-language prompts, then lets users refine projects by chatting with AI.
Free planAndroidiOSWeb7.6From $25 a month - 5
Flowise
Flowise is an open-source platform for building generative AI agents and workflows based on large language models.
Free planWebAPILinuxmacOS7.2From $35 a month - 6
OpenHands
OpenHands is an open-source platform for building and running AI coding agents.
Free planAndroidiOSWebAPI7.2Free plan - 7
LlamaIndex
LlamaIndex helps developers and enterprises process documents and build AI workflows around them.
Free planWebAPILinuxSelf-hosted7.1From $50 a month - 8
Hugging Face Hub
Hugging Face Hub is a cloud platform for discovering, sharing, building, and collaborating on machine learning models, datasets, and apps.
Free planWebAPILinux6.9From $9 a month - 9
LangChain
LangChain is a free, open-source framework for building agents that connect models with tools.
Free planAPISelf-hosted6.8$39 usage-based - 10
CrewAI AMP
Free planWebAPISelf-hosted6.4Free plan - 11
Haystack
Haystack is an open-source AI orchestration framework for developers building agents, multimodal applications, advanced retrieval-augmented…
Free planAPISelf-hosted6.4Free plan - 12
Replicate
Free planWebAPI6.3Free plan - 13
Langflow
Langflow is a free, open-source Python framework for building customizable AI applications, including agent and MCP applications.
WebAPILinuxmacOS6.2 - 14
NVIDIA NeMo Evaluator
NVIDIA NeMo Evaluator is an open-source service for assessing generative AI applications, including language models, RAG pipelines, and agents.
Free planAPILinuxSelf-hosted6.0Free plan - 155.9
- 16
Fireworks AI
WebAPISelf-hosted5.7 - 175.0
- 185.0
- 195.0
- 20
AutoGen
LinuxmacOSWindows4.9 - 21
Microsoft Azure AI Foundry
WebmacOSWindows4.9 - 22
GroqCloud
Web4.8 - 23
Axolotl
LinuxmacOSWindows4.7 - 24
OpenAI API
Web4.7 - 254.6
Choosing well
Check where it runs
Platform options in this category include web, API, Linux, macOS, Windows and self-hosted setups.
A web service can suit browser work, while an API or self-hosted option may fit an existing application or private environment. Check Android access separately before relying on a phone or tablet.
Compare free access and trials
Free plans are available from tools such as AutoGen, Axolotl, Bolt.new, CrewAI AMP, Cursor, Dify, Flowise, Google AI Studio, GroqCloud and Haystack.
Starting prices differ across tools, and Databricks Mosaic AI lists a 14-day trial. Review what the free plan includes, then compare the stated paid price and monthly AI credits.
Match model and API needs
Look at each tool's model and API availability, code-generation support and agent workflows. Pick the combination that fits whether you are writing code, connecting models to an app or coordinating agents.
Fireworks AI lists API, self-hosted and web deployment, whereas other tools may use a different setup.
Review code and deployment terms
Some tools in this category provide open-source code, including Haystack; if you need to read or change code, check the tool's licence and deployment terms.
Before committing to a workflow, verify where the resulting service can run, particularly when switching among hosted, API and self-hosted use.
Questions people ask
Are Android apps available for these AI development tools?
The platform details list web, API, Linux, self-hosted, macOS and Windows. Check each tool for Android app or mobile web support before choosing it for phone work.
Can I start without paying?
Several listed tools provide a free plan, while others use paid access or a trial. Compare the stated plan terms and any monthly AI credits before starting.
Which platforms are covered?
This category lists web, API, Linux, self-hosted, macOS and Windows as platform options. Support differs by tool, so verify the platform page for your setup.
Are open-source options available?
Yes. Haystack is one example of a tool offering open-source code. Review the licence and deployment requirements before using or modifying code.
What should I compare besides price?
Review model and API access, deployment targets, agent workflows, code generation, monthly AI credits, documentation and the availability of a free plan.