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 |
|---|---|---|---|---|---|
| Extruct AI | No | Free, Basic from $39/mo | 42K/mo | Smart Search combining semantic search with live web crawling, Deep research capabilities to build custom, structured company profiles | Visit |
| 博查AI搜索 | No | Contact for Pricing | 41K/mo | Multimodal AI search capability with diverse and rich answer formats, High-performance Search API built specifically for AI agents and applications | Visit |
| AI Engineer Pack | No | Free, Starter from $5/mo | 41K/mo | Realistic Text to Speech (TTS) generation in 32 languages, Speech to Text transcription with diarization support | Visit |
| Devzery | Yes | Free, Pro from $25/mo | 41K/mo | AI-driven targeted API regression testing, Middleware SDK supporting Node, Java, Python, and Golang | Visit |
| formx ai | No | Free Trial, Starter from $299/mo | 40K/mo | Intelligent Document Processing (IDP) to automate data extraction from any document, Pre-trained AI models specialized for invoices, receipts, bank statements, and ID cards | Visit |
| MixPeek | Yes | Free, Usage-Based from $49/mo | 24K/mo | Unified API for extracting insights across text, image, video, and audio content, Direct AWS S3 bucket integration for automated data ingestion | Visit |
| Logic — Effortless Operational Magic | No | Free, Plus from $20/mo | 24K/mo | Natural language to functional API conversion, Automated test case generation and preview capabilities | Visit |
| deAPI | No | Free Trial available, Pay-as-you-go from $0.00136/image | 23K/mo | One unified REST API key for text-to-image, text-to-speech, video-to-text, and image-to-video capabilities, Decentralized GPU infrastructure delivering up to 20x lower inference costs compared to traditional cloud providers | Visit |
| Notamify | No | Free, Pro from $19/mo | 39K/mo | AI-Powered Summaries: Translates highly abbreviated raw NOTAM text into straightforward sentences., Airport & Airspace Dashboards: Allows real-time monitoring of multiple airfields and flight information regions simultaneously. | Visit |
| Ready Player Me | Yes | Free, revenue-sharing model for live games | 38K/mo | Cross-game avatar creator and customization system, Multi-platform support including Unity, Unreal, Web, and Mobile SDKs | Visit |
| imagga.com | No | Free, Indie from $79/mo | 29K/mo | Automated Image Tagging and Categorization, Content Moderation and Adult Content Detection | Visit |
| APIPod | No | Pay-as-you-go rates from $0.002/request or $0.02/1M tokens | 23K/mo | Unified multi-modal API covering 100+ top global AI models, 99.99% uptime guarantee with 50ms global latency and automated circuit breaker protection | Visit |
| trestleiq.com | No | Queries start from $0.015/query on pay-as-you-go, with custom enterprise plans available. | 23K/mo | Phone Validation API to identify disconnected lines and determine carrier metadata, Reverse Phone and Reverse Address APIs to enrich contacts with demographics, names, and emails | Visit |
| ModelHunter.AI | No | Starts at $0.01/second | 22K/mo | Unified REST API and single interface for 50+ AI model providers, Pay-as-you-go pricing model with zero subscription commitments | Visit |
| RealEstateAPI.com | No | Contact for Pricing | 21K/mo | Property Search & Comps APIs to filter properties with strict criteria, Parcel Boundary API delivering detailed property clusters in GeoJSON format | Visit |
| webscraping.ai | No | Free, Personal from $29/mo | 21K/mo | JavaScript rendering using real browser execution, Automatically rotated residential and datacenter proxies with geotargeting options | Visit |
| SendBridge | Yes | Free, Credits from $9 one-time | 36K/mo | AI-powered real-time single email verification, Bulk email list verification and automated cleaning | Visit |
| Symbl.ai | No | Free, PayG rates apply after 1,000 free minutes | 27K/mo | Real-Time AI Agents for Customer Experience (CX), AI Agent for Call Scoring to evaluate participant performance and call quality | Visit |
| Comfy Deploy | No | Contact for Pricing | 19K/mo | One-Click API Deployment: Turn complex generative graphics setups into scalable endpoints instantly., Collaborative Workspace: Share and edit pipelines across your entire team with native version control. | Visit |
| Skillboss | No | Free trial, Pay-As-You-Go from $10/mo | 19K/mo | Access to 700+ AI models including GPT-4o mini, Claude 4.5 Extra Haiku, and Gemini, Built-in web search and advanced scraping capabilities powered by Perplexity, Exa, and Firecrawl | Visit |
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