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
LunarCrushNoStarts at under $1/day102K/moReal-time social search and sentiment analysis, AI-powered social and market companion insightsVisit
SmartProxyOrgNoStarts at $9.00 for 10GB, Unlimited Plans from $62.85/day204K/moVast proxy network with over 100 million residential IPs across 200+ countries and regions, Precision targeting options at the country, state, and city levelsVisit
PoYo.AINoStarts at $0.01/gen103K/moUnified API access to over 500 premium models across video, image, music, chat, and 3D generation, Simple two-endpoint async workflow supporting polling and webhook callbacksVisit
CrustdataNoContact for Pricing70K/moReal-time company and people data enrichment via REST APIs, Bulk datasets delivered in CSV format refreshed monthly, quarterly, or yearlyVisit
FASHN Virtual Try-OnNoFree, Basic from $9/mo265K/moClothing Try-On: Change the clothing on any model photo using a single reference image., Model Swap: Re-use existing shots by trying clothes on different models for greater diversity.Visit
HTTPie AIYesFree70K/moPlain language API request generation, Multi-platform support across Terminal, Desktop, and WebVisit
ScrapingdogNoFree Trial, Plans from $40/mo88K/moHeadless Chrome browser rendering for JavaScript-heavy websites, Rotating proxy pool of over 40 million IPs to bypass rate limitsVisit
LLM GatewayYesFree, Pro from $50/mo115K/moUnified API Interface compatible with the OpenAI API format for seamless migration, Multi-provider Support to connect various LLM backends through a single hubVisit
NopeCHANoFree, Starter Plan from $4.99/mo86K/moAI-driven automated CAPTCHA solving for reCAPTCHA, hCAPTCHA, FunCAPTCHA, GeeTest, and more, Browser extensions available for Google Chrome and Mozilla FirefoxVisit
ComplyCubeNoBasic from $249/mo, Growth and Enterprise plans require contacting sales.81K/moAML screening including PEP, Sanctions, Adverse Media, and continuous monitoring, Identity assurance with document verification and biometric liveness checksVisit
AstriaNoStarts at $1.50/fine-tune and $0.23/prompt batch66K/moCustom AI model fine-tuning (Flux, SDXL, and SD1.5), Developer API with auto-scaling infrastructure and no queuesVisit
Nightfall AI for ZendeskNoContact for Pricing105K/moAI-Native Detection & Response: Uses LLM and behavioral models to deeply understand content sensitivity and lineage., Data Exfiltration Prevention: Automatically tracks and blocks sensitive data from leaving unmanaged and managed endpoints, browsers, and SaaS applications.Visit
Upstage AINoFree Trial, Models from $0.15/1M tokens103K/moSolar LLM Family: High-performance, enterprise-grade language models optimized for speed, groundedness, and reasoning (including Solar Pro 2)., Upstage Document Parser & OCR: Converts complex documents, PDFs, scans, and emails into clean, LLM-readable text with over 95% accuracy.Visit
rev.aiNoStarts at $0.003/min85K/moAsynchronous Speech to Text API for pre-recorded audio and video files in over 58 languages, Streaming Speech to Text API for real-time transcription in 9 languagesVisit
txyz.aiYesFree, Pro from $96/yr69K/moAI-powered knowledge discovery and advanced paper searching, Agentic workflows for reading, problem-solving, and document analysisVisit
Gooey.AINoFree, Business from $399/mo124K/moUnified Billing Layer for multiple frontier AI models (OpenAI, Google, Anthropic, Deepseek, etc.), No-Code Workflow Builder with hot-swappable LLM optionsVisit
TinybirdNoFree, Developer from $25/mo119K/moManaged ClickHouse database storing billions of rows with sub-second latency, Instant, production-ready, hosted REST APIs from standard SQL queriesVisit
Chat2DB LocalNoFree trial available, joint plans from ¥18.25/mo89K/moNatural language to SQL generation and conversational query assistant, Table Copilot for AI-aided database table design and test data generationVisit
AI-FlowYesFree, Cloud Version with Flexible Pricing154K/moDrag-and-drop interface to create custom AI workflows quickly without coding, Multi-model integration combining OpenAI, StabilityAI, Anthropic, and ReplicateVisit
SONOTELLERNoFree Basic plan available82K/moComprehensive lyric analysis and automated song summaries, Music attribute identification including genres, subgenres, moods, and instrumentsVisit
Showing 101-120 of 555 AI API Tools matchesBrowse more tools in this category.