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.
556Total AI API Tools70Most Relevant AI API Tools132Free AI API ToolsAI API Tools updated Sep 21, 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 | 354M/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 | 204M/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 | 99M/mo | Instant text translation for 33 languages, Whole-file document translation (.pdf, .docx, .pptx) preserving original formatting | Visit |
| OpenRouter | Free option | Free models available, paid models billed pay-as-you-go | 22M/mo | Unified API endpoint compatible with OpenAI SDKs out of the box, Access to over 300+ models from 50+ diverse providers | Visit |
| Photoroom | Free option | Free, Pro from SGD 89.98/year | 20M/mo | Precise automatic background removal, Magic Retouch to erase unwanted objects with a swipe | Visit |
| Claude 3 | Free option | Free, Pro from $17/mo | 14M/mo | Advanced reasoning for complex cognitive tasks, Vision analysis for transcribing and analyzing static images, graphs, and notes | Visit |
| Rodin | Free option | Free, Creator from $24/mo | 9.3M/mo | High-speed text-to-3D and image-to-3D generation, Multi-view image fusion to construct detailed 3D models | Visit |
| Semantic Scholar | Free option | Free | 6.6M/mo | AI-driven semantic search across 226+ million scientific papers, Semantic Reader (Beta) for augmented, highly accessible, and contextual scientific reading | Visit |
| Groq | Free option | Free, on-demand from $0.05/M tokens | 4.2M/mo | LPU™ (Language Processing Unit) engine designed for fast text and language token generation, OpenAI API specification compatibility requiring only minor code adjustments | Visit |
| ModelScope | Free option | Free | 3.6M/mo | Model discovery and search across vision, NLP, speech, multimodal, and scientific computing tasks, Dataset browsing and access | 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 | 950M/mo | No | Free to use | Visit |
| Deepseek | 354M/mo | Yes | Free web access, API starts from $0.035/1M tokens | Visit |
| OpenAI | 204M/mo | Yes | Free, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo | Visit |
| Google AI Studio | 113M/mo | No | Free, Pay-as-you-go from $0.0375/1M tokens | Visit |
| DeepL | 99M/mo | Yes | Free, Starter from $8.74/mo | Visit |
| Magnific (formerly Freepik) | 83M/mo | No | Contact for Pricing | Visit |
| ElevenLabs | 36M/mo | No | Free, Starter from $5/mo | Visit |
| OpenRouter | 22M/mo | Yes | Free models available, paid models billed pay-as-you-go | 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 |
|---|---|---|---|---|---|
| Skyvern | Yes | Free, Cloud from $0.10/step | 67K/mo | Computer Vision & AI-driven webpage adaptation, API-driven workflow automation with infinite scaling | Visit |
| Flypix | Yes | Free, Starter from €50/mo, 7-day Free Trial available on paid plans | 91K/mo | No-code custom AI model training for object detection and semantic segmentation, Support for high-resolution satellite, aerial, and drone imagery | Visit |
| SEOmator | No | Starts at $49/mo, Standard at $99/mo | 110K/mo | Comprehensive SEO Dashboard with visitor traffic and rankings monitoring, In-depth Technical SEO Audit tracking up to 1,000 crawled pages | Visit |
| RoxyBrowser | Yes | Free, Basic from $3.84/mo | 54K/mo | Unique Browser Fingerprinting Simulation, All-in-One Multi-Account Management | Visit |
| DocuClipper | No | Starts at $27/mo | 66K/mo | Automated PDF data extraction for bank statements, credit card statements, invoices, and receipts, Line item extraction from invoices and receipts with zero limitations on entries | Visit |
| Aident AI | Yes | Free, Basic from $12/mo | 27K/mo | Aident Playbook Editor for agentic, natural language workflow creation, Zero learning curve with natural language intent to automation conversion | Visit |
| Golpo | Yes | Free, Starter from $39.99/mo | 126K/mo | Convert documents and workflows into whiteboard animation videos, Script validation before final video generation | Visit |
| Rephrasy | No | Free, Growth from $14.99/mo | 101K/mo | Stealth text rewriting designed to bypass major AI detection platforms, Built-in multi-model AI detection score verification | Visit |
| ImgGen AI | Yes | Free | 85K/mo | Free online text-to-image generation with zero watermarks, AI image upscaler to enlarge images up to 4096x4096px resolution | Visit |
| shutu.cn | No | Free, Team/VIP options available | 62K/mo | AI One-Sentence Mind Map Generation, AI Image and Document to Editable Mind Map Conversion | Visit |
| Tapesearch | No | Paid plans start at $12.50/mo | 47K/mo | Instant keyword search across 3 million+ podcast transcripts, Jump directly to precise audio timestamps | Visit |
| Vidfly | No | Free, Basic from $17/mo | 34K/mo | Script to Video generation with realistic AI voices and automated subtitles, Text to Video and Image to Video transformations using advanced models | Visit |
| SAM TTS | Yes | Free | 80K/mo | Authentic Microsoft SAM voice synthesis from the Windows XP era, Highly customizable voice parameters including pitch, speed, mouth, and throat settings | Visit |
| SmythOS | Yes | Free, Builder from $39/seat/mo | 52K/mo | No-Code Visual Agent Builder (Agent Weaver), Real-Time Advanced Debugger | Visit |
| reccloud.cn | Yes | Free, Advanced from ¥49/week | 50K/mo | AI Speech-to-Text: Convert video/audio to text with smart summary features, AI Video Translation: Translate video speech with voice cloning and dubbing options | Visit |
| BestProxy | No | Free Trial available, Paid plans from $0.66/GB or $3/IP | 41K/mo | Massive Global Pool: Over 80 million real residential proxy IPs spanning 200+ countries and regions., Protocol Support: Full support for both HTTP and high-anonymity SOCKS5 proxy protocols. | Visit |
| visagetechnologies.com | No | Contact for Pricing | 33K/mo | FaceTrack: Accurate tracking of 2D and 3D faces, gaze directions, and facial expressions in real time., FaceAnalysis: Advanced algorithms that serve as an AI age estimator and gender-guesser by analyzing visual traits. | Visit |
| Chat01.ai | No | Free, Starter from $4.99/mo | 106K/mo | Access to OpenAI o1, o1-mini, and o1-pro reasoning models, Multimodal capabilities via GPT-4o for file analysis and image generation | Visit |
| Plagiarismsearch.com | No | Free, Plans from $9.95 | 38K/mo | Comprehensive plagiarism checking against billions of digital and print sources, AI-generated content identification with detailed reporting | Visit |
| Free Subtitles AI | No | Free, Paid Use from $0.99/h | 32K/mo | Free AI transcription using Whisper Model Medium (High Accuracy), Automatic media downloader supporting over 1100 websites | Visit |
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