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 |
|---|---|---|---|---|---|
| Loudly | Yes | Free, Personal from $8/mo | 516K/mo | AI text to music generation, Audio clip uploading for remixes and mashups | Visit |
| Surfer | No | Starts at $79/mo | 474K/mo | Content Editor with real-time structural, keyword, and formatting guidelines, Surfer AI for rapid generation of highly optimized articles | Visit |
| ZenMux | No | Free models available, premium models feature pay-as-you-go tiered pricing | 435K/mo | Unified API gateway compatible with OpenAI, Anthropic, and Google Vertex AI protocols, Built-In AI Model Insurance that automatically compensates users for hallucinations or high latency | Visit |
| Robly Email Marketing | No | Free Trial, Paid from $15/mo | 505K/mo | OpenGen: Resends email campaigns to non-openers with a different subject line to lift open rates., Robly A.I.: Sends emails to individual subscribers at their historically optimal engagement times. | Visit |
| Stable Diffusion | No | Free, Enterprise with Custom Pricing | 473K/mo | Text-to-image generation with industry-leading prompt adherence, Multi-view video generation and 3D camera control via Stable Virtual Camera | Visit |
| Chatbase | No | Free, Hobby from $40/mo | 445K/mo | Data-driven training from PDFs, text, and website links, Multi-channel deployment across custom website widgets, Slack, WhatsApp, Messenger, and Instagram | Visit |
| RecCloud | Yes | Free, Basic Yearly from $4/mo | 467K/mo | AI Speech-to-text and subtitle translation with multi-language support, Online screen recording and professional multi-screen recording solutions | Visit |
| Lightning AI | Yes | Free, Pro from $50/mo | 467K/mo | Zero-setup cloud development environments (Studios) with persistent data and environments, Multi-GPU and multi-node scaling from the browser or local IDEs like VSCode and Cursor | Visit |
| Jogg.ai | No | Free, Starter from $24/mo | 447K/mo | URL-to-Video converter for rapid product ad creation, 240+ realistic AI avatars representing diverse demographics | Visit |
| SiliconFlow | No | Free trial with $1 credits, pay-as-you-go from $0.0014/image or $0.01/M tokens | 434K/mo | Lightning-fast, high-speed inference for language, image, and video models, Access to over 200 optimized open-source and commercial models | Visit |
| Cleanvoice AI | No | Free Trial, plans start at $11/mo or $11 for pay-as-you-go credits | 1M/mo | Filler words and stutter removal in over 20 languages, Automated background noise removal and mouth sound elimination | Visit |
| EOS Data Analytics | No | Free trial available, contact sales for custom pricing | 1M/mo | High-resolution satellite imagery search and cloud-based storage, On-the-fly band combinations, mosaics, and time-lapse creation | Visit |
| Cleanup.pictures | No | Free, Pro from $3/mo | 963K/mo | AI-powered background reconstruction (inpainting), Object, text, blemish, and watermark removal | Visit |
| Magisterium AI | Yes | Free, Pro from $8.99/mo | 859K/mo | Access to over 25,000 curated Catholic documents, Multiple search modes: Automatic, Magisterial, and Scholarly Mode | Visit |
| AiSensy | No | Free, Basic from $20/mo | 818K/mo | Official WhatsApp Business API integration with free application procurement, WhatsApp broadcasting for promotional messages, retargeting, and coupon distribution | Visit |
| Soundraw | No | Free, Creator from $16.99/mo | 404K/mo | AI-powered song customization allowing users to shorten intros and rearrange choruses, Genre Mixing to effortlessly blend different musical styles | Visit |
| Listnr AI | No | Free, Individual from $19/mo. | 387K/mo | AI Voice Generator with 1000+ realistic voices in 142 languages, Voice Cloning capabilities in seconds | Visit |
| Magnific (formerly Freepik) | No | Contact for Pricing | 105M/mo | Node-based infinite canvas for collaborative workflows, Access to multiple leading AI models (Flux 2, Runway Gen 4.5, Veo 3, Kling 3, ElevenLabs) | Visit |
| Photoroom | Yes | Free, Pro from SGD 89.98/year | 19M/mo | Precise automatic background removal, Magic Retouch to erase unwanted objects with a swipe | Visit |
| LanguageTool | No | Free, Premium from SGD 4.99/mo | 7.6M/mo | Multilingual grammar, punctuation, and style checking, AI-driven sentence paraphrasing for adjusting tone and length | Visit |
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