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 |
|---|---|---|---|---|---|
| ImgGen AI | Yes | Free | 112K/mo | Free online text-to-image generation with zero watermarks, AI image upscaler to enlarge images up to 4096x4096px resolution | Visit |
| Tapesearch | No | Paid plans start at $12.50/mo | 75K/mo | Instant keyword search across 3 million+ podcast transcripts, Jump directly to precise audio timestamps | Visit |
| shutu.cn | No | Free, Team/VIP options available | 75K/mo | AI One-Sentence Mind Map Generation, AI Image and Document to Editable Mind Map Conversion | Visit |
| Vidfly | No | Free, Basic from $17/mo | 74K/mo | Script to Video generation with realistic AI voices and automated subtitles, Text to Video and Image to Video transformations using advanced models | Visit |
| reccloud.cn | Yes | Free, Advanced from ¥49/week | 110K/mo | AI Speech-to-Text: Convert video/audio to text with smart summary features, AI Video Translation: Translate video speech with voice cloning and dubbing options | Visit |
| SAM TTS | Yes | Free | 73K/mo | Authentic Microsoft SAM voice synthesis from the Windows XP era, Highly customizable voice parameters including pitch, speed, mouth, and throat settings | Visit |
| SmythOS | Yes | Free, Builder from $39/seat/mo | 72K/mo | No-Code Visual Agent Builder (Agent Weaver), Real-Time Advanced Debugger | Visit |
| BestProxy | No | Free Trial available, Paid plans from $0.66/GB or $3/IP | 71K/mo | Massive Global Pool: Over 80 million real residential proxy IPs spanning 200+ countries and regions., Protocol Support: Full support for both HTTP and high-anonymity SOCKS5 proxy protocols. | Visit |
| visagetechnologies.com | No | Contact for Pricing | 60K/mo | FaceTrack: Accurate tracking of 2D and 3D faces, gaze directions, and facial expressions in real time., FaceAnalysis: Advanced algorithms that serve as an AI age estimator and gender-guesser by analyzing visual traits. | Visit |
| Chat01.ai | No | Free, Starter from $4.99/mo | 103K/mo | Access to OpenAI o1, o1-mini, and o1-pro reasoning models, Multimodal capabilities via GPT-4o for file analysis and image generation | Visit |
| Free Subtitles AI | No | Free, Paid Use from $0.99/h | 102K/mo | Free AI transcription using Whisper Model Medium (High Accuracy), Automatic media downloader supporting over 1100 websites | Visit |
| Plagiarismsearch.com | No | Free, Plans from $9.95 | 66K/mo | Comprehensive plagiarism checking against billions of digital and print sources, AI-generated content identification with detailed reporting | Visit |
| Botnoi Chatbot | No | Free trial available with 5,000 points | 151K/mo | No-code step-by-step conversation builder with Dialog Flow, Omnichannel connectivity (Websites, Facebook, LINE, and more) | Visit |
| iDox.ai | No | Starts at $290/year | 68K/mo | AI-Powered Automated Redaction of text, signatures, and logos, Sensitive Data Discovery for complete privacy compliance across unstructured data ecosystems | Visit |
| Omnichannel CPaaS Solution | No | Starts at ₹ 0.115/sms, Enterprise from ₹ 0.10/sms | 64K/mo | High-volume message delivery engine supporting over 1 billion messages sent daily., Multi-channel suite combining Bulk SMS, RCS messaging, WhatsApp Business API, and automated email tools. | Visit |
| Sand.ai | Yes | Free | 63K/mo | Autoregressive video model (Magi-1) designed for quality outputs, Unlimited video continuation and extension capabilities | Visit |
| Dynamic Mockups | Yes | Free, Pro from $10/mo | 61K/mo | Bulk Mockup Generator to create thousands of product images simultaneously, Custom Photoshop Mockups integration allowing use of personal or downloaded PSD files | Visit |
| Zapmail | No | Starts at $32.50/mo (billed annually) | 132K/mo | Automated DKIM, DMARC, and SPF configurations, 10-Minute automated onboarding and mailbox setup | Visit |
| clear.ml | Yes | Free, Pro from $15/user/mo | 75K/mo | Silicon and cloud-agnostic dynamic resource allocation and priority-based scheduling., Integrated development environment support with built-in experiment tracking and pipeline automation. | Visit |
| Manifest | Yes | Free, Open Source | 62K/mo | Fast local query routing (under 2ms analytics), Up to 70% cost reduction on AI tokens | Visit |
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