Coding & Development
Best AI API Tools in 2026: Free & Paid Picks
AI API helps developers connect models, generation, analysis, and automation into real products. Use AI API to compare tools for pricing, endpoints, latency, model coverage, documentation, and integration experience.
546Total AI API Tools67Most Relevant AI API Tools130Free AI API ToolsAI API Tools updated Jun 18, 2026
Top tools
Top 10 AI API Tools
Explore top AI API Tools ranked by category fit, free access, AI-powered features, traffic, and pricing context.
Paid
Cl
Claude
An AI assistant for natural language tasks, coding, and workflow automation.
Improved performance and longer response generation with Claude 2Natural language processing for versatile personal and professional tasksMulti-platform accessibility via web browser, API, and desktop application
Free plan
De
Deepseek
Advanced open-source AI models and developer API platform.
Flagship large language models (DeepSeek-V3 and reasoning-focused R1)Free AI assistant features for search, writing, reading, and translationOpen-source coding and mathematical reasoning capabilitiesRobust DeepSeek API platform with context caching and off-peak discount pricing
Free plan
Op
OpenAI
Official subscription and pricing guide for ChatGPT plans and features.
Access to diverse reasoning models including GPT-4o, OpenAI o3, and OpenAI o4-miniAdvanced voice mode with support for video and screensharingInteractive tables, charts, and file upload capabilities for data analysisWorkspace customization with custom GPTs, projects, and collaborative tasks+1
Paid
Go
Google AI Studio
A fast prototyping environment to build applications with Gemini AI models.
Access to the latest Gemini multimodal generative AI models from Google DeepMindSupport for processing text, code, images, audio, and video inputsBreakthrough 2M token context window, context caching, and search grounding featuresGoogle AI Studio quickstart with prompt ideas and structured outputs
Free plans
Best Free AI API Tools
Start with free AI api tools that cover practical website workflows, core features, and AI-powered output quality.
| Tool | Plan status | Pricing | Traffic | Feature preview | Website |
|---|---|---|---|---|---|
| Deepseek | Free option | Free web access, API starts from $0.035/1M tokens | 430M/mo | Flagship large language models (DeepSeek-V3 and reasoning-focused R1), Free AI assistant features for search, writing, reading, and translation | Visit |
| OpenAI | Free option | Free, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo | 203M/mo | Access to diverse reasoning models including GPT-4o, OpenAI o3, and OpenAI o4-mini, Advanced voice mode with support for video and screensharing | Visit |
| DeepL | Free option | Free, Starter from $8.74/mo | 116M/mo | Instant text translation for 33 languages, Whole-file document translation (.pdf, .docx, .pptx) preserving original formatting | Visit |
| Claude 3 | Free option | Free, Pro from $17/mo | 22M/mo | Advanced reasoning for complex cognitive tasks, Vision analysis for transcribing and analyzing static images, graphs, and notes | Visit |
| Photoroom | Free option | Free, Pro from SGD 89.98/year | 19M/mo | Precise automatic background removal, Magic Retouch to erase unwanted objects with a swipe | Visit |
| OpenRouter | Free option | Free models available, paid models billed pay-as-you-go | 17M/mo | Unified API endpoint compatible with OpenAI SDKs out of the box, Access to over 300+ models from 50+ diverse providers | Visit |
| Semantic Scholar | Free option | Free | 7.9M/mo | AI-driven semantic search across 226+ million scientific papers, Semantic Reader (Beta) for augmented, highly accessible, and contextual scientific reading | Visit |
| Luma AI | Free option | Free, Lite from $9.99/mo, Plus from $29.99/mo | 4.9M/mo | Photorealistic 3D capture using Neural Radiance Fields (NeRFs) and volumetric photogrammetry, Luma Dream Machine for high-quality text-to-video and image-to-video generation | Visit |
| Groq | Free option | Free, on-demand from $0.05/M tokens | 3.6M/mo | LPU™ (Language Processing Unit) engine designed for fast text and language token generation, OpenAI API specification compatibility requiring only minor code adjustments | Visit |
| Removal.AI | Free option | Free, Monthly Subscription from $5.99/mo | 1.8M/mo | Fully automated background removal in 3 seconds or less, Neat, clear, and smooth cutout edges capable of handling hair and furry textures | Visit |
Traffic
Most visited AI API Tools
Use traffic, free-plan status, and starting price to compare the most visited tools in this category.
| Tool | Traffic | Free plan | Starting price | Website |
|---|---|---|---|---|
| Claude | 953M/mo | No | Free to use | Visit |
| Deepseek | 430M/mo | Yes | Free web access, API starts from $0.035/1M tokens | Visit |
| OpenAI | 203M/mo | Yes | Free, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo | Visit |
| Google AI Studio | 123M/mo | No | Free, Pay-as-you-go from $0.0375/1M tokens | Visit |
| DeepL | 116M/mo | Yes | Free, Starter from $8.74/mo | Visit |
| Magnific (formerly Freepik) | 105M/mo | No | Contact for Pricing | Visit |
| ElevenLabs | 35M/mo | No | Free, Starter from $5/mo | Visit |
| Tripo AI | 28M/mo | No | Free, Professional from $15.90/mo | Visit |
Browse all tools
Top AI API Tools Comparison
Browse all AI API Tools in this category with search, free-plan filtering, sorting, website signals, pricing, and AI-powered feature context.
| Tool | Free | Pricing | Traffic | Features | Website |
|---|---|---|---|---|---|
| Handwriting OCR | No | Pay as you go from $12, Starter plan from $19/mo | 32K/mo | High-accuracy handwriting to text conversion using advanced AI models, Support for more than 300 languages and scripts | Visit |
| leiapix.com | Yes | Free, Image Plan from $4.99/mo | 31K/mo | 2D to 3D Image and Video Conversion, Advanced Depth Map Generation and Editing | Visit |
| CREATUS.AI | Yes | Free tools available, contact for custom enterprise solutions | 49K/mo | AI-Native Workspace featuring autonomous digital co-workers, Text-to-Video generation and customizable AI Avatars | Visit |
| Screenpipe | Yes | Free, Premium Plugins from $4.99 | 49K/mo | 24/7 continuous local recording of computer screen and microphone audio, Real-time OCR text extraction and speech-to-text transcription | Visit |
| Prem | No | Contact for Pricing | 49K/mo | Autonomous Finetuning Agent for codeless custom model optimization, TrustML™ Encrypted Inference for secure, privacy-preserving AI operations | Visit |
| Venture Matching | No | Free credits available, Pro tiers from $27/mo | 48K/mo | AI-based Predictive Investments and Venture Matching based on 26 parameters, Automated email introduction ('hot intro') for startups and VCs | Visit |
| Wellsaidlabs | No | Free trial available, Maker from $44.08/mo | 48K/mo | 120+ authentic AI voices and 30+ voice styles, WellSaid Studio for team collaboration and workspaces | Visit |
| The Swarm | Yes | Free, Premium from $29/mo | 30K/mo | AI Network Mapper to instantly scan former colleague and education overlaps, Chrome Extension to extract business emails and reveal connection paths right from LinkedIn | Visit |
| Chat Data | No | Free, Entry from $9.00/mo | 70K/mo | Train AI chatbots using custom datasets, websites, scraping, and documents, Pre-trained medical chat human and vet models with full HIPAA compliance | Visit |
| fastbots.ai | Yes | Free, Essential from $24/mo | 68K/mo | Secure data ingestion from websites, sitemaps, PDFs, DOCX, CSV, and YouTube URLs, Multi-channel deployment supporting Websites, WhatsApp, Slack, Messenger, and Instagram | Visit |
| SAM 3D- | No | Free, Pro from $9.90/mo | 26K/mo | Single-image 3D reconstruction for objects, scenes, and people, SAM 3D Objects for extracting full shape, texture, and materials from cluttered scenes | Visit |
| ttsopenai.com | No | Pay as you go from $8 | 26K/mo | Natural-sounding speech generation using advanced OpenAI Voice Engine technology, Supports multiple document formats including TXT, PDF, DOCX, and ePub | Visit |
| QuickQR Art | Yes | Free, Pixel ML Essentials from $11/mo (billed annually) | 25K/mo | Customizable AI QR code art generation matching specific prompts and styles, Comprehensive link management tools with URL shortening and dynamic redirects | Visit |
| Grok Imagine | Yes | Free, Standard from $39.9/mo | 66K/mo | Text-to-Image Generation up to 1024×1024 pixel resolution, 6-Second Video Creation with synchronized audio and frame continuity | Visit |
| aasaan | No | Starts at $18/mo | 24K/mo | AI-powered no-code store builder with drag-and-drop technology, One-click migration and integration with Shopify and BigCommerce | Visit |
| AINIRO | No | Starts at $29/mo | 18K/mo | Website crawling and semantic HTML scraping into Markdown RAG databases, Multi-format document support (PDF, XML, CSV, JSON, YAML) with custom CSV import | Visit |
| Swell AI | No | Free, Studio plan from $29/mo | 63K/mo | Automated transcription with customizable speaker labels, AI transcript editor that suggests high-interest sections for quick clipping | Visit |
| Klu.ai Public Beta | No | Free trial available, Pro from $30/mo | 31K/mo | Seamless data integration with databases, files, or websites, Collaborative prompt engineering and version tracking | Visit |
| Neurooo | No | Free, Tone adjustment features reserved for paying users | 24K/mo | Context-aware AI translation powered by GPT-4o mini, Tone adjustment (Formal vs. Informal translation options) | Visit |
| MacGPT | Yes | Free, Licenses from €20 | 24K/mo | Global: Activate a text field that pops up in the middle of your screen from anywhere on your Mac., Inline: Bring ChatGPT directly into your text fields by typing a trigger phrase and prompt. | Visit |
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