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 |
|---|---|---|---|---|---|
| PoYo.AI | No | Starts at $0.01/gen | 84K/mo | Unified API access to over 500 premium models across video, image, music, chat, and 3D generation, Simple two-endpoint async workflow supporting polling and webhook callbacks | Visit |
| FASHN Virtual Try-On | No | Free, Basic from $9/mo | 120K/mo | Clothing 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 AI | Yes | Free | 82K/mo | Plain language API request generation, Multi-platform support across Terminal, Desktop, and Web | Visit |
| Scrapingdog | No | Free Trial, Plans from $40/mo | 113K/mo | Headless Chrome browser rendering for JavaScript-heavy websites, Rotating proxy pool of over 40 million IPs to bypass rate limits | Visit |
| NopeCHA | No | Free, Starter Plan from $4.99/mo | 115K/mo | AI-driven automated CAPTCHA solving for reCAPTCHA, hCAPTCHA, FunCAPTCHA, GeeTest, and more, Browser extensions available for Google Chrome and Mozilla Firefox | Visit |
| Astria | No | Starts at $1.50/fine-tune and $0.23/prompt batch | 77K/mo | Custom AI model fine-tuning (Flux, SDXL, and SD1.5), Developer API with auto-scaling infrastructure and no queues | Visit |
| LLM Gateway | Yes | Free, Pro from $50/mo | 76K/mo | Unified API Interface compatible with the OpenAI API format for seamless migration, Multi-provider Support to connect various LLM backends through a single hub | Visit |
| ComplyCube | No | Basic from $249/mo, Growth and Enterprise plans require contacting sales. | 74K/mo | AML screening including PEP, Sanctions, Adverse Media, and continuous monitoring, Identity assurance with document verification and biometric liveness checks | Visit |
| txyz.ai | Yes | Free, Pro from $96/yr | 110K/mo | AI-powered knowledge discovery and advanced paper searching, Agentic workflows for reading, problem-solving, and document analysis | Visit |
| Upstage AI | No | Free Trial, Models from $0.15/1M tokens | 109K/mo | Solar 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.ai | No | Starts at $0.003/min | 108K/mo | Asynchronous 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 languages | Visit |
| Nightfall AI for Zendesk | No | Contact for Pricing | 107K/mo | AI-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 |
| Chat2DB Local | No | Free trial available, joint plans from ¥18.25/mo | 106K/mo | Natural language to SQL generation and conversational query assistant, Table Copilot for AI-aided database table design and test data generation | Visit |
| Tinybird | No | Free, Developer from $25/mo | 104K/mo | Managed ClickHouse database storing billions of rows with sub-second latency, Instant, production-ready, hosted REST APIs from standard SQL queries | Visit |
| Gooey.AI | No | Free, Business from $399/mo | 102K/mo | Unified Billing Layer for multiple frontier AI models (OpenAI, Google, Anthropic, Deepseek, etc.), No-Code Workflow Builder with hot-swappable LLM options | Visit |
| AI-Flow | Yes | Free, Cloud Version with Flexible Pricing | 99K/mo | Drag-and-drop interface to create custom AI workflows quickly without coding, Multi-model integration combining OpenAI, StabilityAI, Anthropic, and Replicate | Visit |
| SONOTELLER | No | Free Basic plan available | 99K/mo | Comprehensive lyric analysis and automated song summaries, Music attribute identification including genres, subgenres, moods, and instruments | Visit |
| massedcompute.com | No | Starts at $0.25/hr | 96K/mo | On-Demand compute options featuring NVIDIA H100, A100, L40S, and A6000 architectures, Bare Metal servers providing direct access to physical hardware without virtual hypervisors | Visit |
| Respeecher | No | Free trial available, with pay-as-you-go metered pricing and custom subscriptions. | 92K/mo | Speech-to-Speech (STS) voice conversion that retains the emotional nuances of the original performance, Text-to-Speech (TTS) engine with emotional transfer and support for multiple accents | Visit |
| Docsumo | No | Free Trial, Paid Plans from $299/mo | 91K/mo | Intelligent document pre-processing, auto-orientation, and auto-split, Smart table extraction and hierarchical line-item categorization | Visit |
Showing 101-120 of 546 AI API Tools matchesBrowse more tools in this category.