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.

555Total AI API Tools69Most Relevant AI API Tools132Free AI API ToolsAI API Tools updated Aug 3, 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.
PriceFree to useTraffic947M/mo
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.
PriceFree web access, API starts from $0.035/1M tokensTraffic373M/mo
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.
PriceFree, Plus from $20/mo, Pro from $200/mo, Team from $25/user/moTraffic190M/mo
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.
PriceFree, Pay-as-you-go from $0.0375/1M tokensTraffic117M/mo
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.

ToolPlan statusPricingTrafficFeature previewWebsite
DeepseekFree optionFree web access, API starts from $0.035/1M tokens373M/moFlagship large language models (DeepSeek-V3 and reasoning-focused R1), Free AI assistant features for search, writing, reading, and translationVisit
OpenAIFree optionFree, Plus from $20/mo, Pro from $200/mo, Team from $25/user/mo190M/moAccess to diverse reasoning models including GPT-4o, OpenAI o3, and OpenAI o4-mini, Advanced voice mode with support for video and screensharingVisit
DeepLFree optionFree, Starter from $8.74/mo109M/moInstant text translation for 33 languages, Whole-file document translation (.pdf, .docx, .pptx) preserving original formattingVisit
Claude 3Free optionFree, Pro from $17/mo40M/moAdvanced reasoning for complex cognitive tasks, Vision analysis for transcribing and analyzing static images, graphs, and notesVisit
PhotoroomFree optionFree, Pro from SGD 89.98/year19M/moPrecise automatic background removal, Magic Retouch to erase unwanted objects with a swipeVisit
OpenRouterFree optionFree models available, paid models billed pay-as-you-go17M/moUnified API endpoint compatible with OpenAI SDKs out of the box, Access to over 300+ models from 50+ diverse providersVisit
Semantic ScholarFree optionFree6.6M/moAI-driven semantic search across 226+ million scientific papers, Semantic Reader (Beta) for augmented, highly accessible, and contextual scientific readingVisit
GroqFree optionFree, on-demand from $0.05/M tokens3.4M/moLPU™ (Language Processing Unit) engine designed for fast text and language token generation, OpenAI API specification compatibility requiring only minor code adjustmentsVisit
RodinFree optionFree, Creator from $24/mo3M/moHigh-speed text-to-3D and image-to-3D generation, Multi-view image fusion to construct detailed 3D modelsVisit
Luma AIFree optionFree, Lite from $9.99/mo, Plus from $29.99/mo2.8M/moPhotorealistic 3D capture using Neural Radiance Fields (NeRFs) and volumetric photogrammetry, Luma Dream Machine for high-quality text-to-video and image-to-video generationVisit
Traffic

Most visited AI API Tools

Use traffic, free-plan status, and starting price to compare the most visited tools in this category.

ToolTrafficFree planStarting priceWebsite
Claude947M/moNoFree to useVisit
Deepseek373M/moYesFree web access, API starts from $0.035/1M tokensVisit
OpenAI190M/moYesFree, Plus from $20/mo, Pro from $200/mo, Team from $25/user/moVisit
Google AI Studio117M/moNoFree, Pay-as-you-go from $0.0375/1M tokensVisit
DeepL109M/moYesFree, Starter from $8.74/moVisit
Magnific (formerly Freepik)97M/moNoContact for PricingVisit
Claude 340M/moYesFree, Pro from $17/moVisit
ElevenLabs34M/moNoFree, Starter from $5/moVisit
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.

ToolFreePricingTrafficFeaturesWebsite
ApiX-DriveNoFree, Start from $19/mo204K/moNo-code interface to map and connect over 600 applications and services, Automation of lead and order data transfer to CRM systems and Google SheetsVisit
TavusNoFree, Starter from $59/mo184K/moConversational Video Interface (CVI) for real-time video calls with under 500ms latency, Phoenix-3 full-face rendering model for hyperrealistic digital twins and micro-expressionsVisit
HumanLayerYesFree, Premium from $500/mo139K/moFunction call blocking using the `@hl.require_approval()` decorator, Omnichannel contact collecting responses across Slack, Email, and DiscordVisit
gpt-image-2apiNoPay-as-you-go, no monthly minimums281K/moUnified API access to 500+ AI models across image, video, and text generation, Day-one integration tracking for upcoming models like OpenAI's GPT Image 2Visit
Happyhorse-1.0 APINoPay-as-you-go, actual costs based on output281K/moUnified API access to 500+ AI models using a single API Key, Native audio-visual integration via Alibaba's HappyHorse 1.0Visit
Eden AINoPay-as-you-go with $10 free credit, Premium upon request155K/moUnified API for quick integration across multiple AI providers, Generative AI capabilities for both text and image creationVisit
ModelsLabNoFree trial available, plans start at $9/mo218K/moHigh-speed API endpoints to run stable diffusion and sdxl models, VideoFusion API for high-quality video generation and deepfakesVisit
Featherless LLMNoStarts at $10/mo163K/moServerless access to over 4,300+ open-weight Hugging Face models, OpenAI-compatible API endpoints for straightforward integrationVisit
Video SDKYesFree, Pay-As-You-Go from $0.0006/audio min173K/moNative SDKs for major frontend, mobile, and server-side frameworks (React, Angular, iOS, Android, Flutter, Node.js, Python), AI Agent's library for live audio/video AI communication and cascading pipeline integrationVisit
qdrant.ioYesFree, Hybrid Cloud from $0.014/hr167K/moRust-powered engine for fast and reliable vector similarity search, Cloud-native scalability with vertical and horizontal scaling optionsVisit
veryfi.comNoFree, Pay As You Go from $500/mo99K/moReal-time OCR extraction for receipts, invoices, and utility bills, Line-item and SKU data extraction (Level 3 data)Visit
ScrapeGraphAINoFree, Starter from $20/mo182K/moAI-Powered Data Extraction that turns unstructured web content into clean JSON, Adaptable Smart Scraper which adjusts automatically to website layout changesVisit
DubverseNoFree Trial, Pro from $9/mo159K/moAI Video Dubbing across multiple global and regional languages, Realistic Text-to-Speech (TTS) with a library of 200+ customizable voicesVisit
QodexNoFree, Standard from $49/mo120K/moAutomated API discovery using a lightweight repository SDK, Chat-based test generation for unit, functional, and OWASP Top 10 security testsVisit
Claude Code API (code0.ai)NoStarts at ¥4/million input tokens181K/mo100% compatible with official Anthropic and OpenAI SDK formats by changing only the base_url, Domestic direct connection with multi-node deployment ensuring average latency under 200msVisit
speakai.coNoFree trial available, Starter from $15/mo or Pay-As-You-Go from $0/mo142K/moAutomated transcription and translation for audio and video files, AI Meeting Assistant that automatically joins, records, and transcribes virtual callsVisit
TwelveLabsNoFree tier available, pay-as-you-go Developer plans, or custom Enterprise pricing125K/moMultimodal video search capabilities across visual, speech, audio, and text elements, Video-to-text generation including automated summaries, reports, and analyses using the Pegasus modelVisit
They See Your PhotosYesFree55K/moAI-powered metadata and content extraction from single images, Integration with Google Vision API to simulate large-scale cloud photo analysisVisit
MultipleChat - Compare AI ResponsesNoFree Trial available for 14 or 30 days157K/moOne Platform, All Leading AI Models (ChatGPT-o1, Claude 3.7 Sonnet, Gemini 2 Pro, Grok-2), CollabAI Modes (Conversation Loop, Chained Processing, Verification, Ensemble, Expert System, Competitive, Cooperative, Simulation)Visit
PDF.coNoPlans start at $8.99/mo108K/moAI-Powered Invoice Parsing: Extract invoice data into structured JSON without templates., PDF Conversion: Convert PDFs to Excel, CSV, XML, JSON, HTML, and images.Visit
Showing 81-100 of 555 AI API Tools matchesBrowse more tools in this category.