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 |
|---|---|---|---|---|---|
| Shaped | No | Contact for Pricing | 88K/mo | Unified relevance engine merging semantic search and configurable recommendations, Real-time adaptability that ingests behavioral signals and re-ranks instantly | Visit |
| Landing.ai | No | Free, Enterprise requires contacting sales | 87K/mo | LandingLens end-to-end visual AI platform for training and deploying vision models, Agentic Document Extraction (ADE) for capturing text, tables, and complex form layouts beyond basic OCR | Visit |
| Convai | Yes | Free, Indie Dev from $29/mo ($22/mo yearly) | 85K/mo | No-code interface for crafting character backstories, narrative flows, and objectives, Multilingual support spanning over 65 languages with 500+ voice options | Visit |
| Credit Report Analytics API | No | Contact for Pricing | 57K/mo | Onboarding Suite with Aadhaar-based KYC, OCR, and Video KYC (VKYC), Alternate Data Suite evaluating Bank statements, Device, E-commerce, Social media, and Telecom data | Visit |
| Plainly AI | No | Starts at $48/mo | 83K/mo | Native Adobe After Effects cloud-based rendering infrastructure, Dynamic layer parametrization for text, images, videos, and audio | Visit |
| ComfyOnline | No | Free, Memberships from $25/mo | 53K/mo | Online ComfyUI workspace with no complex local setup or installation required, One-click API generation to quickly deploy and scale AI applications | Visit |
| Synexa AI | No | Starts at $0.0015/image or $0.43/hr for GPU computing | 53K/mo | One-line code deployment via intuitive Python, Node.js, and REST APIs, Seamless auto-scaling that scales infinitely during traffic spikes and scales to zero when idle | Visit |
| Seedance 2 API - Poyo.ai | No | Starts at $0.04/s | 84K/mo | Instant API Key Generation with no waitlists or regional approvals, Unified Model Library featuring ByteDance Seedance 2.0, Sora 2, Veo 3.1, and FLUX.2 | Visit |
| Runner H | No | Free during beta, contact for enterprise pricing | 80K/mo | Autonomous cross-application and multi-step web task orchestration., Self-healing automation pipelines that dynamically adapt to web interface changes. | Visit |
| TextGears | No | Free, Silver from $23.96/mo | 78K/mo | Multi-language grammar and spelling correction (English, Arabic, Japanese, Chinese, etc.), Deep readability analysis based on industry standards | Visit |
| ApyHub AI APIs | No | Free, Pro from €15/mo | 52K/mo | AI-enabled APIs for natural language understanding, text translation, summarization, and sentiment analysis, Comprehensive file conversion suite supporting documents, images, and video formats | Visit |
| Crun AI | No | Pay-as-you-go from $0.01/image and $0.10/video | 52K/mo | One unified API providing access to over 100 top-tier video, image, and audio models, 100% OpenAI-compatible infrastructure requiring just one line of code to migrate apps | Visit |
| Prelude Verify | No | Free trial available; Basic plan at €0.03/verification, Paid plans from €100/mo. | 51K/mo | AI-powered multi-routing across 30+ carriers and 230 countries, Granular anti-fraud protection blocking up to 99% of spam and fake traffic | Visit |
| Crazyrouter | No | Pay-as-you-go, models from $0.0550/M tokens | 42K/mo | Unified access to 300+ AI models through a single API key, OpenAI-compatible endpoints for effortless code migration | Visit |
| Video Assistant by muse.ai | No | Basic from $8/mo, Plus from $20/mo | 72K/mo | AI-powered inside-video search for speech, text, people, objects, and actions, Ad-free HTML5 video player supporting up to 4K adaptive streaming | Visit |
| Talordata SERP API | No | Starts at $27/mo | 43K/mo | Multi-Engine SERP Support (Google, Bing, Yandex, DuckDuckGo), Real-time, structured JSON or HTML output | Visit |
| stablediffusion api | No | Free, Basic from $21/mo | 43K/mo | Text-to-image and image-to-image generation via hosted diffusion models, Model training capabilities using Lora or Dreambooth on custom datasets | Visit |
| Flaq AI API Platform | No | Free, Credits packages from $10 | 43K/mo | One-Click Integration of Top Global AI Models via a unified API, High-precision AI Image Models including Nano Banana Pro, Seedream 4.5, Nano Banana 2 AI, and Qwen Image 2.0 | Visit |
| IDScan.net | No | Starts at $33/mo per device, ParseLink from $540/yr, DIVE API from $0.89/scan | 65K/mo | AI-powered fake ID detection and multi-wavelength ID authentication (UV, IR, and white light), VeriScan Identity Platform for cloud-based visitor log creation and age verification | Visit |
| Beagle Security | No | Free, Essential from $119/mo | 65K/mo | AI-driven DAST penetration testing for web apps, APIs, and GraphQL endpoints, DevSecOps CI/CD pipeline integration (GitHub Actions, GitLab, Jenkins, etc.) | Visit |
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