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 |
|---|---|---|---|---|---|
| GPTunneL | Yes | Free base model, Pay-as-you-go from 0.01 ₽/1k tokens | 834K/mo | Unified access to over 100 AI models including GPT-4o, Claude 3.7, DeepSeek, and Grok, Multimodal generation across text, image, video, and audio in one window | Visit |
| swapfaces.ai | No | Free, Plans from $9.99/mo | 817K/mo | AI Video Face Swapping with HD output, Single and multiple photo face swapping | Visit |
| Winston AI | No | Free, Essential from $12/mo | 766K/mo | AI text detection for advanced models including ChatGPT, Gemini, and Claude, Cutting-edge plagiarism detection technology with highlighted sources | Visit |
| Jan | Yes | Free | 378K/mo | 100% Offline and Local First operations, Open-source and built in public | Visit |
| MiniMax Audio | No | Free to try with points | 5.3M/mo | Advanced Text to Speech generation supporting over 30 languages and diverse accents, Speech-02 models delivering 99% voice similarity for ultra-realistic outputs | Visit |
| sync.so | No | Free to explore, plans from $5/mo | 352K/mo | Lipsync-2 style learning for natural lip movements, Voice cloning via uploaded audio, text-to-speech, or voice recording | Visit |
| Browse AI | Yes | Free, Starter from $19/mo | 342K/mo | No-code point-and-click data extraction, AI-powered site layout change detection and self-healing | Visit |
| Happy Scribe | No | Free Trial, Lite from $9/mo | 3.8M/mo | Automatic AI-generated transcription and subtitles with fast turnaround, Human-made transcription and subtitling services boasting 99% accuracy | Visit |
| Copyleaks | No | Starts at $7.99/mo | 3.8M/mo | Simultaneous AI content and plagiarism detection, Detection of major AI models including ChatGPT, Gemini, and Claude with over 99% accuracy | Visit |
| Vidu | No | Free, Standard from $8/mo | 3.3M/mo | Multi-Reference Consistency to keep characters, objects, and scenes stable across the video., First and Last Frame Control for smooth transition generation between two images. | Visit |
| Topaz Video AI | No | Starts at $99 | 3M/mo | Production-grade neural networks for video upscaling up to 4K/8K, deinterlacing, and motion interpolation, Local workstation processing optimized with Nvidia, AMD, and Intel hardware for secure and fast rendering | Visit |
| Generated Photos | No | Free Trial available, Plans from $199/year | 323K/mo | Faces Database: Access to over 2.6 million pre-generated diverse faces, Face Generator: Create completely unique faces by adjusting custom parameters in real time | Visit |
| Vidnoz AI | No | Free daily tier available, premium plans vary by feature set | 2.1M/mo | 1500+ Realistic AI Avatars and custom digital twin generation, 1380+ AI Voices with support for text to speech in over 140 languages | Visit |
| Chatpdf | No | Free to use basic features | 1.8M/mo | Instant document questioning and conversational text analysis, Automatic PDF summarization and insights extraction | Visit |
| ttsMP3.com | No | Free, Plus from $13.76 SGD/mo | 599K/mo | AI-powered, human-like text-to-speech conversion, Support for 28+ languages and over 50 accents/speakers | Visit |
| netradyne.com | No | Contact for Pricing | 596K/mo | Real-time AI distracted driving detection (drowsiness and texting), In-cab audio alerts for proactive driver behavior correction | Visit |
| ChatHub | No | Free, Pro from $14.99/mo | 555K/mo | Chat with multiple LLMs simultaneously and compare results side-by-side, Support for over 20 models including GPT-4, Claude 3.5 Sonnet, Gemini, and DeepSeek | Visit |
| Claid AI Scene Creation | No | Free trial, Essentials from $9/mo | 316K/mo | AI background generation (text-to-image and template-based), AI Fashion Models for rendering flat-lay apparel on virtual models | Visit |
| Cherry Studio | Yes | Free for individuals, contact for enterprise pricing | 545K/mo | Multi-model switching and unified model scheduling across multiple service providers, Local data storage and support for locally deployed model calls to ensure privacy | Visit |
| trueaccord.com | No | Contact for Pricing | 527K/mo | HeartBeat patented machine learning engine for optimized consumer engagement over time, Omnichannel digital-first outreach via emails, web applications, SMS, and phone calls | Visit |
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