660 tools
Free planCoding & development
Qoddi is a cloud platform for deploying apps from Git or Docker with managed runtimes, databases, AI inference, custom models, and GPU compute. The homepage groups app hosting, inference, custom model deployment, and GPU tiers under one vendor site with per-second billing caps.
Free tier unknownAI models & APIs
QpiAI builds vertically integrated AI and quantum computing platforms for enterprise and research workloads. The company offers Gen-AI tools, industrial AI, quantum processors, and domain solutions for life sciences, materials, logistics, finance, and manufacturing.
Free planAI models & APIs
QSMM (QSMM State Machine Model) is an adaptive state-model development framework for learning finite automatons that interact with deterministic or stochastic entities. The official site describes probabilistic assembler tooling, grammar-learning parsers, downloadable source releases (currently 1.19.3), manuals in HTML and PDF, and GitLab/Subversion repositories for researchers building intelligent-machine prototypes.
Free tier unknownAI models & APIs
Qualcomm AI Hub helps developers optimize, validate, and deploy on-device AI models across mobile, compute, automotive, and IoT targets. It provides model catalogs, GenieX for generative AI on device, workbench tools, and documentation.
Free tier unknownAI models & APIs
QuotaFlow is a continuous AI cost optimization platform for teams running production LLM workloads. The vendor site describes experiments, procurement agents, and live model routing that validate cheaper paths on quality, latency, and success metrics while keeping BYOK keys, SLAs, and fallback routes, charging a percentage of verified savings rather than flat seat fees.
Free tier unknownChatbots & assistants
Qwen is Alibaba’s official platform for chatting with Qwen open and proprietary models, with image and video understanding, generation, document tools, web search, voice, and artifacts. The consumer chat experience is hosted at chat.qwen.ai.
Free planImage generation & editing
Qwen-Image-2512 AI is a web portal for Alibaba's Qwen-Image-2512 model, offering free online image generation with photorealistic portraits, Chinese text rendering, and layer decomposition. The site also documents a production API and subscription credit packs for heavier use.
Free tier unknownCoding & development
NVIDIA’s Build a RAG Pipeline blueprint is a modular reference architecture for GPU-accelerated retrieval-augmented generation across enterprise search, copilots, and agent workflows. It covers multimodal ingestion, NeMo Retriever, reasoning controls, OpenAI-compatible APIs, and MCP server support.
Free planCoding & development
Ragas is an open-source framework for evaluating and monitoring LLM applications. It provides automatic metrics, synthetic evaluation data generation, and workflows to test quality during development and in production.
Free tier unknownImage generation & editing
RandomSeed provides a Stable Diffusion API that lets developers load models from Civitai and Hugging Face for image generation workflows. The marketing site describes an effortless API-first experience, though plan details load in the client app.
Free tier unknownAI models & APIs
Rawbot is an AI model comparison tool that helps researchers, developers, and businesses evaluate which model fits a task. The public site is a React app whose meta tags describe side-by-side model comparison for research and development decisions.
Free planCoding & development
Ray is an open-source AI compute engine for distributed Python workloads such as training, batch inference, hyperparameter tuning, and serving. Anyscale, the company behind Ray, offers hosted Ray with credits, but Ray itself is the framework orchestrating clusters on any accelerator.
Free tier unknownAI models & APIs
Raycaster builds evaluation programs, benchmark datasets, reproducible environments, and reference agents so teams can inspect agent tasks, traces, artifacts, and rubric scores. The Eval site publishes benchmark tasks such as Biopharma Bench, APEX-Agents, SpreadsheetBench, and OfficeQA.
Free tier unknownAI models & APIs
Reactor by ARC refers to Arc’s decentralized AI network where participants run nodes, co-own models, and earn rewards for contributing compute. The arc.ai site explains distributed inference, open code, and community channels branded ARCreactorAI rather than a separate hosted SaaS console.
Free planAI models & APIs
Jina Reader converts URLs into LLM-friendly Markdown via r.jina.ai, with browser-engine options, JSON responses, CSS targeting, token budgets, and optional OCR modes. The Reader page states the API is free with RPM and TPM rate limits that increase when you attach an API key.
Free tier unknownAI models & APIs
ReasonBlocks helps teams connect agent requests or uploaded traces, review evaluations and cost estimates, train specialized models, and test rollouts before production. The product exposes API authorization headers for programmatic access in its client bundle.
Free planAI models & APIs
Redis is a real-time data platform used for caching, streaming, vector search, session storage, and agent-focused offerings such as Redis Agent Memory and context tooling. Redis Cloud packages range from free dev tiers to Essentials and Pro deployments with enterprise SLAs.
Free planAI models & APIs
RedPill provides confidential AI through verified GPU trusted execution environments and an attested gateway with OpenAI-compatible APIs. Developers route prompts to private models while consumers can use the Private Chat app with encrypted messaging tiers.
Free planChatbots & assistants
Reflection 70B is a hosted online interface for the open-source Reflection Llama 70B model, marketed for self-correcting conversational AI. Visitors can try the chat without signup, while paid tiers raise monthly conversation limits and add analytics and support.
Free tier unknownAI models & APIs
Refresh builds simulation environments for coding, computer use, and 3D animation where AI agents are evaluated and trained with verifiable rewards. It targets frontier labs and enterprises that need realistic software worlds and GDPval-style coding tasks with objective scoring instead of subjective review.
Free tier unknownAI models & APIs
Reka AI builds natively multimodal models and infrastructure for video, image, audio, and text in one architecture. The company targets enterprise physical-AI workloads with Spark, Edge, Flash, and Core models plus Reka Cloud, video infrastructure APIs, and large-scale training data services.
Free planAI models & APIs
Relace provides purpose-built AI models and token-based infrastructure for coding agents, including relace-search, relace-compact, relace-apply, and relace-rank models. Pricing is consumption-based per million input and output tokens with a free tier to test models in the playground.
Free to startAI models & APIs
Replicate runs open-source and proprietary machine learning models through a simple HTTP and SDK API, covering image, video, language, and audio workloads. Developers pay for inference time or token usage rather than traditional seat-based SaaS, and can deploy private models with Cog.
Free planAI models & APIs
Respan is an AI router and observability platform for tracing, evaluating, and improving agent runs.
Showing 528 of 660 tools
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