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 |
|---|---|---|---|---|---|
| nano banana pro studio | No | Trial package at $10, Plans from $11.99/mo | 43K/mo | State-of-the-Art Multilingual Text Rendering within images, Professional 4K Resolution generation in 10-30 seconds using only 2.1GB GPU memory | Visit |
| Not Diamond | Yes | Free, Plus from $20/mo | 65K/mo | Intelligent multi-model routing based on data-driven algorithms, Automatic prompt adaptation and joint prompt optimization support | Visit |
| Sendwo | Yes | Free, Starter plan from $29/mo (or $23/mo billed annually) | 64K/mo | No-code drag-and-drop WhatsApp chatbot builder with OpenAI and DeepSeek integrations, 0% markup fees on official Meta WhatsApp Business API conversational pricing | Visit |
| MixAudio | No | Free, Personal from $7.99/mo | 38K/mo | Multimodal AI Generation: Create music via Text-to-music, Image-to-music, Audio-to-music, or a combination of all three., AI Remix Studio: Act as a custom audio remixer to regenerate tracks, edit music sections, and layer different stem blocks. | Visit |
| Flux AI | No | Free, Basic from $10.90/mo | 32K/mo | High-resolution image generation up to 2.0 megapixels, Support for FLUX.1 [pro], [dev], and [schnell] model variants | Visit |
| Pixu AI | No | Contact for Pricing | 140K/mo | Personalized stock photo library with 547 customizable photos, Comprehensive Prompts Gallery covering styles from digital illustrations to realistic portraits | Visit |
| vidu.studio | No | Free, Standard from $8/mo | 62K/mo | Text-to-Video generation with strong semantic understanding, Image-to-Video generation with customizable first and last frame controls | Visit |
| Shortimize | No | 7-day free trial, Pro from $99/mo | 60K/mo | Multi-platform short-form video tracking via simple URLs, Aggregated analytical dashboard for TikTok, YouTube Shorts, and Instagram Reels | Visit |
| revocalize.ai | No | Free, Starter from $9/mo | 60K/mo | High-fidelity AI voice cloning and generation, Custom voice fingerprinting and voice model training | Visit |
| neuronsinc.com | No | Contact for Pricing | 59K/mo | Instant attention visualization and predictive heatmaps, Ad response testing with performance scores on KPIs like engagement and ad recall | Visit |
| Teloz | No | Starts at $10.99/mo | 59K/mo | Omnichannel contact center supporting voice, SMS, live chat, video meetings, and online faxing, Conversational AI featuring intelligent Voicebots and Chatbots for automated customer support | Visit |
| Kaedim | No | Contact for pricing details | 38K/mo | Automatic 2D image to 3D model conversion powered by machine learning, High poly and optimized geometry options built with quads and separated meshes | Visit |
| Xpoz | No | Free, Pro from $20/mo | 37K/mo | Zero local installation required via a fully remote MCP server, Multi-platform social search across Twitter/X, Instagram, TikTok, and Reddit | Visit |
| Lucy Edit by Decart | No | Free Trial, Pay-as-you-go from $0.01/sec | 36K/mo | Text-guided video editing preserving identity, motion, and facial structures, Realtime video restyle and character modification capabilities | Visit |
| pangeanic.com | No | Contact for Pricing | 55K/mo | Deep Adaptive AI Translation supporting over 200 languages with LLM and RAG integrations, ECOChat: Multilingual AI Chatbot ecosystem for secure, on-premises or cloud knowledge retrieval | Visit |
| SteosVoice | No | Free, Plans from $2/mo | 42K/mo | Ultra-realistic neural speech synthesis (TTS) at 44.1 kHz studio-quality sound, Over 800+ growing AI voices, including parodies of popular gaming and movie characters | Visit |
| ClipZap AI | No | Free, Starter from $24/mo | 33K/mo | AI Workflow Editor for automated node-based content generation, Multi-model integration supporting tools like RunwayML, PikaLabs, and Pixverse | Visit |
| Semihuman.Ai | No | Free, Basic from $6/mo | 31K/mo | AI detection evasion matching industry-standard checkers like Turnitin, GPTZero, and Copyleaks, Three-tier Balance Control to adjust between readability level and bypass strength | Visit |
| Stable Diffusion 3 Free Online | Yes | Free | 96K/mo | Advanced text-to-image generation using Stable Diffusion 3, Superior text rendering within generated images | Visit |
| Humantic AI | No | Pro from $32/mo (billed annually), Free Trial available | 32K/mo | Proprietary Personality Prediction AI predicting DISC profiles within 10 seconds, Omnichannel Enrichment integrating with LinkedIn, Gmail, Outlook, Salesforce, and HubSpot | Visit |
Showing 421-440 of 546 AI API Tools matchesBrowse more tools in this category.