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 |
|---|---|---|---|---|---|
| Spine | No | Free, Pro from $25/mo | 16K/mo | Conversational interface built over existing REST or GraphQL APIs, Multi-step complex workflow execution and bulk actions via single prompts | Visit |
| Expense Sorted | No | Free Trial Available | 15K/mo | Automatic AI-driven expense categorization without complex manual rules, Seamless integration with Google Sheets, Lunch Money, Tiller, and PocketSmith | Visit |
| LightOn | No | Contact for Pricing | 29K/mo | Private Chat with agentic behavior and advanced tools, Enhanced Knowledge (RAG) supporting text, images, tables, and graphs | Visit |
| kwrds.ai | No | Free, UI Full Access from $39/mo | 27K/mo | AI-assisted keyword generator utilizing Google autosuggest data, Real-time 'People Also Ask' question finder directly from search results | Visit |
| Documind | No | Free, Premium from $9.93/mo | 26K/mo | Bulk upload hundreds of PDF documents simultaneously, Interactive Q&A with PDFs providing natural language answers and citations | Visit |
| MIDI Agent | No | Starts at $49 lifetime license, Pro subscription at $20/mo | 26K/mo | AI-powered MIDI generation using ChatGPT, Claude, Gemini, Grok, and DeepSeek, Ability to expand, continue, and create variations on existing MIDI files | Visit |
| verbalate | No | Starts at $9/mo | 19K/mo | AI Voice Cloning supporting 29 languages and over 50 accents, Lip Sync options to align spoken words with on-screen performance | Visit |
| powered by ChatGPT | No | Free, Premium from $39.99/mo | 14K/mo | AI Chatbots for 24/7 customer engagement and automated answers, No-code visual Workflow builder with drag-and-drop conversation design | Visit |
| LM-Kit.NET | No | Free, Professional plans from $1,000/yr | 14K/mo | On-device local inference designed to reduce latency, minimize resource usage, and keep data secure, Comprehensive toolkit for building, customizing, and orchestrating .NET AI agents | Visit |
| Image Upscaler AI | No | Free, PRO from US$4.32/mo | 13K/mo | AI-driven image upscaling up to 400%, Face restoration toggle ('Fix faces') for realistic portrait enhancements | Visit |
| Detecting-AI.com | Yes | Free, Premium from $7/mo | 69K/mo | AI detection highlighting showing probability by sentence, Detailed reports on percentage of AI-generated content | Visit |
| SiteSpeakAI | Yes | Free, Startup from $30/mo | 44K/mo | Custom AI chatbot trained on website content, PDFs, APIs, or databases, Integrations with popular platforms including WordPress, Shopify, Notion, and Slack | Visit |
| Wan 2.2- | No | Basic from $16.9/mo, Plus from $29.9/mo | 27K/mo | Advanced Mixture of Experts (MoE) architecture with 27B total parameters, Unified hybrid TI2V framework supporting both text-to-video and image-to-video | Visit |
| SQLAI.ai | No | Free, Explorer from $6/mo | 26K/mo | AI-powered SQL and NoSQL query generation from natural language, SQL query optimization for enhanced database performance | Visit |
| Scout | No | Free, Pro from $49/mo | 13K/mo | Workflow Builder with multi-LLM chaining and customized logic, Customizable Data Sources supporting automated ingestion from websites, docs, and chats | Visit |
| AI Manga Translator | No | Free, Weekly from $8 | 13K/mo | Layout preservation: Replaces text while retaining the underlying image structure and style, Multiple translation models: Supports translation engines including GPT-4o, Papago, and Google Translate | Visit |
| ArticleForge | No | Free Trial, Standard from $27/mo | 13K/mo | One-click end-to-end long-form article generation (1,500+ words), Deep learning models that write text optimized for Google's evaluation algorithms | Visit |
| Uprise Embedded | No | Contact for Pricing | 12K/mo | Human + AI hybrid model providing optimized first-draft financial plans finalized by a real CFP® advisor., Seamless, flexible integration options using a white-labeled dashboard or custom Uprise APIs. | Visit |
| LovableHTML.com - no-code fix for Lovable SEO | No | Starts at $9/mo, Free Trial available | 42K/mo | No-code deployment via DNS proxy settings, Real-time edge prerendering powered by Cloudflare | Visit |
| PrometheanAI | Yes | Free, Indie from $19.99/mo | 11K/mo | AI World Building (assisting with scene layout and environment generation), AI Asset Braintrust and Asset Management (handling up to 100,000+ assets with local storage options) | Visit |
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