AI tools for developers with an API in 2026
83 AI tools for developers on Finder Atlas offer an API. In 2026 the top of the list is Claude Code, Cursor and Claude, ranked by reviews from people who use them.
Coding assistants, agents, terminals and APIs for people who ship software.
Across Coding AI (21), Image & Visual AI (13), Developer Tools (12), AI Assistants (10), Video AI (8), Audio & Speech AI (6), Productivity (4), 3D AI (3), Help Desk Software (2), AI Agents (1), Customer Support (1), Education & Research (1) and Sales & Marketing AI (1).
The list
- 1

Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser
From $20/month · CLI, macOS, Windows · API
- 2

- 3

Anthropic's AI assistant for writing, analysis, coding and working with files
Free plan, paid from $20/month · Web, macOS, Windows · API · Mobile app
- 4

One API and one bill for hundreds of AI models across many providers
Free plan, paid from 5.5%/one-time · Web, API · API
- 5

- 6

AI image generator for posters, logos and graphics with readable in-image text
Free plan, paid from $20/month · Web, iOS, API · API · Mobile app
- 7

Studio-quality AI voiceovers and text-to-speech API for creators, teams and voice agents
Free plan, paid from $29/month · Web, API · API
- 8

- 9

xAI's AI assistant with live X and web search, image and voice tools
Free plan, paid from $8/month · Web, iOS, Android · API · Mobile app
- 10

Create, edit and scale product photos and ads with AI background tools
From $12.99/month · Web, iOS, Android · API · Mobile app
- 11

ElevenLabs
FreemiumText-to-speech, voice cloning, dubbing and voice agents built on in-house audio models
Free plan, paid from $6/month · Web, iOS, Android · API · Mobile app
- 12

DeepSeek
FreemiumFree AI chat app and low-cost API running DeepSeek's open-weights V4 models
Free plan, paid from $0.15/1M input tokens · Web, iOS, Android · API · Mobile app
- 13

Speechify
FreemiumListen to documents and web pages with natural AI voices, and dictate by voice
Free plan, paid from $29/month · Web, iOS, Android · API · Mobile app
- 14
Luma Dream Machine
Free trialGenerate and edit video and images from text or images with Luma's Ray models
From $30/month · Web, iOS, API · API · Mobile app
- 15

Perplexity
FreemiumAI answer engine that searches the live web and cites its sources
Free plan, paid from $20/month · Web, iOS, Android · API · Mobile app
- 16

Qwen
FreemiumAlibaba's free AI assistant and open-weight model family, on web, mobile and API
Free · Web, Android, API · API · Mobile app
- 17

Groq
FreemiumFast, OpenAI-compatible inference API for open models, running on custom LPU chips
Free plan, paid from $0.075-$4.00/1M tokens · Web, API · API
- 18

Fernand
FreemiumShared inbox with AI replies and Stripe context for small SaaS support teams
Free plan, paid from $29/user/month · Web, API · API
- 19

OpenAI Codex
FreemiumOpenAI's coding agent that writes, reviews and runs code from terminal, IDE, desktop or cloud
Free plan, paid from $8/month · Web, macOS, Windows · API
- 20

Leonardo AI
FreemiumAI image and video studio with custom model training and a real-time canvas editor
Free plan, paid from $12/month · Web, iOS, Android · API · Mobile app
- 21

Runway
FreemiumAI video, image and audio creation suite with Gen-4.5, agents and an API
Free plan, paid from $15/month · Web, iOS, Android · API · Mobile app
- 22

Mistral Vibe (formerly Le Chat)
FreemiumMistral AI's chat assistant and coding agent for everyday work and software tasks
Free plan, paid from $14.99/month · Web, iOS, Android · API · Mobile app
- 23

v0 by Vercel
FreemiumDescribe an app in plain language and get a working Next.js project to deploy
Free plan, paid from $30/user/mo · Web, iOS, API · API · Mobile app
- 24

Recraft
FreemiumAI image and vector design studio with brand styles, editing tools and SVG export
Free plan, paid from $12/month · Web, iOS, Android · API · Mobile app
- 25

Image and video generation models with a pay-per-use API and open weights
From $0.008/image · Web, API · API
- 26

Replicate
PaidRun, fine-tune and deploy open-source AI models through a pay-per-use API
Web, API, CLI · API
- 27

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- 29

Poe
FreemiumChat with many AI models, image tools and custom bots through one account
Free plan, paid from $4.99/month · Web, iOS, Android · API · Mobile app
- 30

Trust Me Bro
FreemiumPaste a claim, get cited research for and against it and a shareable receipt
Free plan, paid from $9.99/month · Web, Chrome Extension, API · API
- 31

Langfuse
FreemiumOpen-source platform to trace, evaluate and improve LLM applications and agents
Free plan, paid from $29/month · Web, API, CLI · API
- 32

Cartesia
FreemiumReal-time speech AI for developers: fast text-to-speech, transcription and voice agents
Free plan, paid from $5/month · Web, API · API
- 33

Fireflies.ai
FreemiumAI notetaker that records, transcribes and summarizes your meetings across every major call platform
Free plan, paid from $18/user/mo · Web, Chrome Extension, iOS · API · Mobile app
- 34

fal
PaidRun image, video, audio and 3D generative models through one fast developer API
From $0.003/megapixel · Web, CLI, API · API
- 35

n8n
FreemiumBuild and self-host workflow automations and AI agents with visual nodes and custom code
Free plan, paid from €24/month · Web, API · API
- 36

Google Antigravity
FreemiumGoogle's agent-first platform for building software with parallel AI coding agents
Free plan, paid from $19.99/month · macOS, Windows, Linux · API
- 37

- 38

Zapier
FreemiumConnect AI models and 9,000+ business apps into automated workflows and agents
Free plan, paid from $29.99/month · Web, API, CLI · API
- 39

- 40

E2B
FreemiumSecure cloud sandboxes that give AI agents isolated Linux machines to run code
Free plan, paid from $150/month · Web, API, CLI · API
- 41

You.com
FreemiumReal-time web search, research and answer APIs that ground AI agents in live data
Free plan, paid from $5/1K calls · Web, iOS, Android · API · Mobile app
- 42

Fish Audio
FreemiumExpressive text-to-speech, voice cloning and speech-to-text with fine-grained emotion control
Free plan, paid from $15/month · Web, API · API
- 43

- 44

Browserbase
FreemiumCloud browser infrastructure and APIs that let AI agents browse and act on the web
Free plan, paid from $20/month · Web, API · API
- 45

Browser Use
FreemiumOpen-source library and cloud platform for AI agents that control real web browsers
Free plan, paid from $0.02/hour · Web, API · API
- 46

- 47

Kagi
Free trialAd-free, subscription-funded search engine with built-in AI assistant and summarization tools
Free plan, paid from $5/month · Web, iOS, Android · API · Mobile app
- 48
Macroscope
FreemiumAI code review, agent orchestration and engineering status updates for GitHub teams
From $0.01/credit · Web, CLI, Slack App · API
- 49

CodeRabbit
Free trialAI code review that checks, explains and prioritizes every pull request before merge
From $30/user/mo · Web, CLI, VS Code Extension · API
- 50

Google Stitch
FreeTurn text prompts and images into app UI designs and front-end code
Free · Web, API · API
- 51

- 52
Z.ai Chat
FreemiumFree GLM-powered AI chatbot and agent from Zhipu AI for writing, coding and research
Free plan, paid from $18/month · Web, API · API
- 53

- 54

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- 57

Momentic
FreemiumAI QA platform that writes, runs and maintains end-to-end tests from plain English
Free plan, paid from $125/month · Web, CLI, API · API
- 58

- 59

Hyper3D Rodin
FreemiumGenerate production-ready 3D models from text or images with an AI 3D generator
Free plan, paid from $30/month · Web, API · API
- 60

Kimi
FreemiumChat, research and agent assistant from Moonshot AI, built on its Kimi K3 model
Free plan, paid from $19/month · Web, macOS, iOS · API · Mobile app
- 61

CrewAI
FreemiumOpen-source multi-agent framework and enterprise platform for building and running AI agent workflows
Free · Web, CLI, API · API
- 62
Plus AI
Free trialCreate and edit presentations with AI directly inside PowerPoint and Google Slides
From $15/user/mo · Web, API · API
- 63

Topaz Labs
PaidAI upscaling, sharpening and restoration for photos and video, on desktop, web and iPhone
From $19/month · Web, macOS, Windows · API · Mobile app
- 64

- 65

Plain
Free trialAI-powered support platform for B2B teams, unifying Slack, email and chat in one workspace
From $45/user/mo · Web, API · API
- 66

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- 70

Felo
FreemiumMultilingual AI search engine that also builds slides, mind maps and research reports
Free plan, paid from $14.99/month · Web, iOS, Android · API · Mobile app
- 71

PeekPanda
Free trialResearch any iOS competitor's Meta ads, App Store keywords and viral content in one place
From $59/month · Web, API · API
- 72

Pylon
PaidRun B2B customer support with humans and AI agents across Slack, Teams and email
From $89/user/mo · Web, Slack App, API · API
- 73

SoldFetch
FreemiumeBay sold-listing data for apps and AI agents.
Free plan, paid from $9/month · Web · API
- 74

Castaly
PaidPay-per-generation AI video and image studio with Seedance, Kling, Wan and GPT Image
Web, API · API
- 75

Higgsfield AI
PaidGenerate AI video and images from 30+ models in one creative platform
From $9/month · Web, API · API
- 76

Artgen
FreemiumBrowser art studio for AI images, pixel art, ASCII and print effects
Free plan, paid from $10/month · Web, Chrome Extension, API · API
- 77
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- 81

AIReiter
PaidOne API key and one bill for image, video and text models from many providers
From $10/month · Web, API · API
- 82
System One API
Free trialHosted API returning structured choices, scores and probabilities for AI agent decisions
From $5.99/one-time · API, Web · API
- 83

Frequently asked questions
What is the best AI tool for developers?
Claude Code tops this list. Anthropic's coding agent that edits code and runs commands from terminal, IDE or browser. It is paid (from $20/month).
Which AI tools for developers are free?
Cursor, Claude, OpenRouter, Kling AI and Ideogram have a free plan, among 81 in total.
Which AI tools for developers have an API?
Claude Code, Cursor, Claude, OpenRouter and Kling AI offer an API, among 83 in total.
How is this list ranked?
Tools with reviews on Finder Atlas come first, by rating. Then listings claimed by their makers, then listings checked by our editors, then Finder Atlas's own 0 to 10 editorial score. Nothing on the list is paid placement.
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