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 |
|---|---|---|---|---|---|
| pareto.io | No | Free Trial, Plans from $9.80/mo | 65K/mo | Consolidated access to 200+ leading AI models (including ChatGPT, Claude, Gemini, Runway, and Ideogram) under a single subscription., AI Studio to develop and train customized AI agents using proprietary company documents and databases. | Visit |
| Deepseek R1 | Yes | Free Web Chat, API starts at $0.14/1M input tokens | 63K/mo | Pure Reinforcement Learning (RL) reasoning model with visible Chain-of-Thought visualization, State-of-the-art benchmarks including 97.3% on MATH-500 and 79.8% on AIME 2024 | Visit |
| Bria | No | Free, Pro & Enterprise plans contact sales | 60K/mo | Source-available foundation and auxiliary models trained on 100% licensed datasets, Robust API and SDK suites for seamless visual generation and editing integration | Visit |
| AudioPod AI | No | Free, Starter from $5/mo | 59K/mo | Speaker Separation: Automatically identify and separate up to 10 distinct speakers from audio recordings with high accuracy., Voice Studio: Create realistic voice clones with a short 10-second sample and generate natural speech in over 21 languages. | Visit |
| Best Bike Split | No | Free, Premium from $10/mo | 58K/mo | AI Workout Builder & BBS AI Assistant, Advanced Weather and Wind Analysis Feature | Visit |
| ChatGPT Online - GPTOnline.ai | Yes | Free | 53K/mo | Free access to ChatGPT and advanced OpenAI GPT-4 technology, No registration, account creation, or software downloads required | Visit |
| StockInsights AI | No | Free, Pro from $200/yr | 50K/mo | AI-powered chat with SEC and Indian market filings, Automated AI earnings call transcript summaries | Visit |
| Third-party API for popular AI services | No | Starts at $10/mo | 33K/mo | Experimental REST API integration for 9 major AI services including Midjourney, Kling, Runway, and MiniMax, Support for automated load balancing across multiple accounts | Visit |
| Nano Banana Pro API | No | Starts at $0.025/image | 84K/mo | Unified access to 500+ AI models including Nano Banana 2, GPT-4o, and Sora 2, Revolutionary 5-step structured workflow (Plan → Generate → Review → Refine → Iterate) | Visit |
| Databar.ai 2.0 | No | Free trial available, plans start from $39/mo | 53K/mo | Access to 80+ data providers without requiring individual API keys, Waterfall enrichments to query multiple providers sequentially for maximum coverage | Visit |
| BuildShip | Yes | Free, Starter from $19/mo | 51K/mo | Visual drag-and-drop backend builder with pre-built workflow nodes, AI-assisted node and code generation using natural language | Visit |
| Dumpling AI | No | Free Trial, Starter from $40/mo | 28K/mo | Intelligent web scraping that automatically adapts to website layout changes, Google Search APIs covering Maps, Places, News, Reviews, and Autocomplete | Visit |
| AutoSend | No | Starts at $1/mo | 47K/mo | RESTful Email API and comprehensive official SDKs for multiple languages, SMTP support for legacy applications and system integrations | Visit |
| Higress | Yes | Free open-source version, contact for enterprise version pricing | 29K/mo | AI Gateway & Multi-Model Proxy with protocol conversion for 100+ LLMs, MCP Server Hosting to transform existing RESTful APIs into Model Context Protocol servers | Visit |
| APIPark | Yes | Free for Community, Enterprise requires contacting sales | 27K/mo | Unified API signature compatible with OpenAI to connect multiple models easily, Multi-LLM connection supporting over 200 large language models | Visit |
| Theneo | No | Free, Business from $120/mo | 46K/mo | Docs on Autopilot: Automatically converts API specs into documentation with minimal writing, Multi-Format Support: Handles REST, SOAP, GraphQL, gRPC, and AsyncAPI specs | Visit |
| Webfuse | No | Free Trial available | 45K/mo | Secure middleware layer to customize web applications without code changes, Virtual Web Sessions for real-time interface modification and feature extension | Visit |
| affinda.com | No | Free trial, Business from $0.20/page | 44K/mo | Document-agnostic extraction supporting resumes, invoices, contracts, and bank statements, Deep learning and natural language processing models for high-accuracy parsing | Visit |
| Seedance 2.0 Video AI API | No | Free tools available, API credits start at $10 | 43K/mo | Multimodal AI Generation: Programmatic access to top-tier AI image, video, and LLM APIs., Seedance 2.0 Integration: High-quality text-to-video synthesis featuring a Dual-Branch Diffusion Transformer architecture, built-in sound generation, and 6 supported aspect ratios. | Visit |
| Cerebrium | No | Hobby is $0/mo + compute, Standard from $100/mo + compute | 42K/mo | Serverless GPU and CPU hosting with scale-to-zero capabilities, Support for over 12 varieties of GPUs including T4, L4, L40s, A100, and H100 | Visit |
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