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 |
|---|---|---|---|---|---|
| HumanLayer | Yes | Free, Premium from $500/mo | 197K/mo | Function call blocking using the `@hl.require_approval()` decorator, Omnichannel contact collecting responses across Slack, Email, and Discord | Visit |
| gpt-image-2api | No | Pay-as-you-go, no monthly minimums | 328K/mo | Unified API access to 500+ AI models across image, video, and text generation, Day-one integration tracking for upcoming models like OpenAI's GPT Image 2 | Visit |
| Happyhorse-1.0 API | No | Pay-as-you-go, actual costs based on output | 328K/mo | Unified API access to 500+ AI models using a single API Key, Native audio-visual integration via Alibaba's HappyHorse 1.0 | Visit |
| Eden AI | No | Pay-as-you-go with $10 free credit, Premium upon request | 124K/mo | Unified API for quick integration across multiple AI providers, Generative AI capabilities for both text and image creation | Visit |
| ModelsLab | No | Free trial available, plans start at $9/mo | 116K/mo | High-speed API endpoints to run stable diffusion and sdxl models, VideoFusion API for high-quality video generation and deepfakes | Visit |
| Featherless LLM | No | Starts at $10/mo | 137K/mo | Serverless access to over 4,300+ open-weight Hugging Face models, OpenAI-compatible API endpoints for straightforward integration | Visit |
| qdrant.io | Yes | Free, Hybrid Cloud from $0.014/hr | 166K/mo | Rust-powered engine for fast and reliable vector similarity search, Cloud-native scalability with vertical and horizontal scaling options | Visit |
| Video SDK | Yes | Free, Pay-As-You-Go from $0.0006/audio min | 164K/mo | Native SDKs for major frontend, mobile, and server-side frameworks (React, Angular, iOS, Android, Flutter, Node.js, Python), AI Agent's library for live audio/video AI communication and cascading pipeline integration | Visit |
| veryfi.com | No | Free, Pay As You Go from $500/mo | 109K/mo | Real-time OCR extraction for receipts, invoices, and utility bills, Line-item and SKU data extraction (Level 3 data) | Visit |
| ScrapeGraphAI | No | Free, Starter from $20/mo | 156K/mo | AI-Powered Data Extraction that turns unstructured web content into clean JSON, Adaptable Smart Scraper which adjusts automatically to website layout changes | Visit |
| Dubverse | No | Free Trial, Pro from $9/mo | 149K/mo | AI Video Dubbing across multiple global and regional languages, Realistic Text-to-Speech (TTS) with a library of 200+ customizable voices | Visit |
| Qodex | No | Free, Standard from $49/mo | 104K/mo | Automated API discovery using a lightweight repository SDK, Chat-based test generation for unit, functional, and OWASP Top 10 security tests | Visit |
| They See Your Photos | Yes | Free | 151K/mo | AI-powered metadata and content extraction from single images, Integration with Google Vision API to simulate large-scale cloud photo analysis | Visit |
| TwelveLabs | No | Free tier available, pay-as-you-go Developer plans, or custom Enterprise pricing | 150K/mo | Multimodal video search capabilities across visual, speech, audio, and text elements, Video-to-text generation including automated summaries, reports, and analyses using the Pegasus model | Visit |
| speakai.co | No | Free trial available, Starter from $15/mo or Pay-As-You-Go from $0/mo | 144K/mo | Automated transcription and translation for audio and video files, AI Meeting Assistant that automatically joins, records, and transcribes virtual calls | Visit |
| MultipleChat - Compare AI Responses | No | Free Trial available for 14 or 30 days | 142K/mo | One Platform, All Leading AI Models (ChatGPT-o1, Claude 3.7 Sonnet, Gemini 2 Pro, Grok-2), CollabAI Modes (Conversation Loop, Chained Processing, Verification, Ensemble, Expert System, Competitive, Cooperative, Simulation) | Visit |
| PDF.co | No | Plans start at $8.99/mo | 95K/mo | AI-Powered Invoice Parsing: Extract invoice data into structured JSON without templates., PDF Conversion: Convert PDFs to Excel, CSV, XML, JSON, HTML, and images. | Visit |
| LunarCrush | No | Starts at under $1/day | 130K/mo | Real-time social search and sentiment analysis, AI-powered social and market companion insights | Visit |
| SmartProxyOrg | No | Starts at $9.00 for 10GB, Unlimited Plans from $62.85/day | 126K/mo | Vast proxy network with over 100 million residential IPs across 200+ countries and regions, Precision targeting options at the country, state, and city levels | Visit |
| Crustdata | No | Contact for Pricing | 86K/mo | Real-time company and people data enrichment via REST APIs, Bulk datasets delivered in CSV format refreshed monthly, quarterly, or yearly | Visit |
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