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Best Ai Development Tools in 2026

  1. 1

    Dify

    Free plan Open source APIExtensionLinux+4

    Dify brings workflow building, knowledge retrieval, model connections, and several publishing options into one platform.

    9.1 Free plan · paid from $59/mo Visit site
  2. 2

    Cursor

    Free plan APIiPhoneLinux+3

    Cursor offers coding-agent workflows from a free entry plan through paid individual, team, and enterprise options.

    7.6 Free plan · paid from $20/user/mo Visit site
  3. 3

    Bolt.new

    Free plan AndroidiPhoneWeb

    Bolt.new combines prompt-based project creation with hosting, databases, and integrations. Consider its browser requirements and Free plan token limits when choosing a plan.

    7.5 Free plan · paid from $25/mo Visit site
  4. 4

    CrewAI AMP

    Free plan APISelf-hostedWeb

    Choose CrewAI AMP if your team needs several ways to build multi-agent workflows alongside tracing and governance controls.

    7.5 Free plan Visit site
  5. 5

    Flowise

    Free plan APILinuxMac+3

    Flowise offers visual workflow construction, integrations, and deployment options, but its wind-down is a central consideration.

    7.4 Free plan · paid from $35/mo Visit site
  6. 6

    Hugging Face Hub

    Free plan APILinuxWeb

    Hugging Face Hub combines repositories, app hosting, collaboration, storage, and inference options for machine learning work.

    7.2 Free plan · paid from $9/mo Visit site
  7. 7

    LlamaIndex

    Free plan APILinuxSelf-hosted+1

    LlamaIndex combines document parsing, extraction, classification, and retrieval pipelines for teams building document-centered AI workflows.

    7.2 Free plan · paid from $50/mo Visit site
  8. 8

    OpenHands

    by OpenHands
    Free plan AndroidAPIiPhone+5

    OpenHands combines coding-agent interfaces, workflow triggers, and deployment choices in one platform.

    7.1 Free plan Visit site
  9. 9

    Haystack

    Free plan APISelf-hosted

    Haystack provides a free framework for assembling AI systems from modular pipelines, with integrations and self-hosted deployment options.

    7.0 Open source Visit site
  10. 10

    LangChain

    Free plan APISelf-hosted

    Choose LangChain to build agents around models and tools using its configurable harness, middleware, and wide range of integrations.

    7.0 Free plan Visit site
  11. 11

    NVIDIA NeMo Evaluator

    Free plan APILinuxSelf-hosted

    Choose NeMo Evaluator if you need an open-source way to assess generative AI models, RAG pipelines, or agents across multiple evaluation methods.

    7.0 Open source Visit site
  12. 12

    Replit

    by Replit
    Free plan AndroidiPhoneLinux+3

    Replit combines AI-assisted app creation with a browser-based development environment and built-in services. Starter has defined project and task limits, while Core and Pro are billed annually.

    7.0 Free plan · paid from $18/mo (annual) Visit site
  13. 13

    Langflow

    Free plan APILinuxMac+3

    Langflow offers visual workflow building alongside Python extensibility, API use, and agent and MCP support. Its execution and isolation model requires care, particularly for multi-tenant deployments.

    6.9 Free plan Visit site
  14. 14

    Replicate

    Free plan APIWeb
    6.7 Visit site
  15. 15

    AutoGen

    Free plan LinuxMacWindows
    6.5 Free plan Visit site
  16. 16

    Axolotl

    Free plan LinuxMacWindows
    6.5 Free plan Visit site
  17. 17

    IBM watsonx.ai

    by IBM
    Free plan WebAPI
    6.1 Free plan · paid from $0/mo Visit site
  18. 18

    Google AI Studio

    Free plan Web
    5.9 Free plan Visit site
  19. 19

    Microsoft Azure AI Foundry

    Free plan MacWebWindows
    5.9 Free plan Visit site
  20. 20

    GroqCloud

    Free plan Web
    5.8 Free plan Visit site
  21. 21

    Fireworks AI

    Paid APISelf-hostedWeb
    5.7 Visit site
  22. 22

    Vercel AI SDK

    Free plan
    5.2 Free plan Visit site
  23. 23

    Together AI Dedicated Inference

    Paid APIWeb
    5.0 From $5.49 Visit site
  24. 24

    Databricks Mosaic AI

    Paid Web
    4.6 14-day trial Visit site
  25. 25

    OpenAI API

    Paid Web
    4.0 Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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