52 free AI infrastructure tools. Half of the paid plans start at $20 a month or less. 19 are open source. Newest check: 12 Nov 2026.
268 of 721 tools were checked against the vendor's own page in the last 30 days.
| Tool | Price from | Free plan | Runs on | Rating | Checked |
|---|---|---|---|---|---|
| Fireworks AIEnterprise inference platform for open models: serverless tokens from $0.10 per 1M, managed fine-tuning per training token, and dedicated NVIDIA GPUs from $8.00/hr. $1 free credits, self-serve, no cold starts. | -- | Yes | Web | 4.4 | 4 Sep |
| ClaudeClaude is Anthropic's AI assistant, with a free tier, Pro, Max and Ultra personal plans, and Team and Enterprise seats. Opus access starts at Pro. | $20/mo | Yes | Web · iOS · Android · Mac · Windows | 4.3 | 2 Nov |
| Google AI StudioFree web-based IDE for building, testing, and deploying generative AI applications with Google's Gemini models | Free | Yes | Web | 4.3 | 17 Sep |
| DatabricksUnified Lakehouse platform for data engineering, analytics, and AI, founded 2013, valued at $190B (Aug 2026), with consumption pricing from $0.08 per DBU on the published Premium tier. | -- | Yes | Web | 4.2 | 4 Sep |
| OSSInsightOSSInsight is a free AI-powered GitHub analytics platform by PingCAP analyzing 10+ billion open source events to surface trends, rankings, and developer insights across the ecosystem. | Free | Yes | Web | 4.1 | 20 Sep |
| GroqFast open-model inference, now built on NVIDIA-licensed LPU hardware | Free | Yes | Web | 4.0 | 6 Sep |
| Hugging FaceThe AI community building the future. Platform for discovering, sharing and collaborating on machine learning models, datasets and applications. | $9/mo | Yes | Web | 4.0 | 19 Aug |
| OllamaMIT-licensed runtime that runs open-weight LLMs on macOS, Windows and Linux with a local API, plus an optional paid cloud for larger models. | $20/mo | Yes | Web · Mac · Windows | 4.0 | 12 Nov |
| ArchilA durable shared disk for AI agents that sits on top of your object storage, with serverless sandboxes that bill per tool call and a free tier. | $10/mo | Yes | Web | 3.9 | 4 Nov |
| Cast.aiCast.ai cuts Kubernetes cloud costs 50-70% using automated rightsizing and Spot instance management. Trusted by 2,100+ companies, reached $1B unicorn in 2026. | -- | Yes | Web | 3.8 | 19 Aug |
| ComposioAgent tool and MCP gateway with 1,500+ app integrations, managed authentication and a free plan of 100K tool calls a month. | $29/mo | Yes | Web | 3.8 | 8 Nov |
| DreambeansGoogle Labs app turning Gmail, Calendar, Photos and YouTube data into illustrated daily stories, for Google AI Ultra subscribers since June 2026. | Free | Yes | iOS · Android | 3.8 | 6 Nov |
| Tamarind BioHosted platform for AlphaFold, RFdiffusion, Boltz and hundreds of other biology tools via web app, API and MCP, with a Free plan to start on. | -- | Yes | Web | 3.8 | 11 Nov |
| FormulabotFormulabot is an AI spreadsheet assistant that generates Excel and Google Sheets formulas, creates charts, and analyzes data 10x faster using natural language queries. | $20/mo | Yes | Web | 3.7 | 21 Oct |
| RuncellAI agent for Jupyter notebooks that writes, runs, and debugs code from natural-language prompts, with a free tier and a paid Pro plan for daily analytical work. | $20/mo | Yes | Web | 3.6 | 6 Sep |
| Wondershare RecoveritRecoverit is desktop data recovery software from Wondershare for Windows and Mac, with a capped free edition and paid monthly, annual, quarterly or one-time plans covering two devices. | $3.92/mo | Yes | Mac · Windows | 3.6 | 14 Oct |
| OrthogonalUnified API gateway for AI agents giving access to 30+ APIs via one key and MCP server, with $10 free credits and pay-per-call billing. | -- | Yes | Web | 3.5 | 19 Aug |
| ExecutorMIT licensed MCP gateway with 4.3k GitHub stars that connects Claude Code, Codex and Cursor to your accounts and hosts the tools agents write. | $15/mo | Yes | Web | 3.2 | 29 Oct |
| kladSource-available painting and animation app with 23 brushes that a coding agent drives through a command line, with no image model inside. | -- | Yes | Mac | 3.2 | 12 Nov |
| Adgentek Ad ServerAd server for AI chatbots and agents that sorts each conversation into 9 intent buckets and serves labeled native ads; free to start, a few lines of JavaScript. | -- | Yes | Web | 3.1 | 11 Nov |
| JevModelHosted console and API for the Jev decision model: typed Choice, Score and Noul answers, with a free token allowance to start. | $9.90/mo | Yes | Web | 3.1 | 9 Nov |
| CrukxStores related model checkpoints as exact deltas from their parent model, so fine-tunes take less space to keep and move. Free Explorer, CLI in private alpha. | -- | Yes | Web | 3.0 | 9 Nov |
| AkkioAkkio is a no-code AI analytics platform that trains predictive models up to 100x faster than AutoML, with natural language data queries. Plans start at $49/user/month. | $49/mo | Yes | Web | -- | 19 Aug |
| AnythingLLMFree MIT-licensed desktop app that chats with your documents and runs agents on local models, no account needed. About 66,700 GitHub stars. | $50/mo | Yes | Web · Android · Mac · Windows | -- | 6 Oct |
| BetterSelf CheckFree AI-powered personality assessments that take under 2 minutes each, with instant custom insights and no sign-up required. | Free | Yes | Web | -- | 19 Aug |
| CactusOpen-source engine that runs LLM, speech and vision models on phones and wearables, with 6 language bindings and cloud handoff. | Free | Yes | iOS · Android · Mac | -- | 14 Oct |
| CometAPICometAPI is a unified API gateway giving one key and one OpenAI-compatible endpoint to 500+ AI models at roughly 20% below official provider rates. | -- | Yes | Web | -- | 19 Aug |
| fast.aifast.ai is a free nonprofit deep learning course reaching 500,000+ students with practical top-down teaching and open-source fastai library. | Free | Yes | Web | -- | 19 Aug |
| Google DiscoGoogle Labs' experimental Chromium browser where Gemini 3 turns open tabs into no-code GenTabs mini apps, in a closed macOS-only beta. | Free | Yes | Mac | -- | 26 Oct |
| GPT4AllFree MIT-licensed desktop app that runs open-weight LLMs offline, with LocalDocs chat over your own folders. About 77K GitHub stars. | Free | Yes | Mac · Windows | -- | 6 Oct |
| JanOpen-source desktop app that runs open LLMs offline on Windows, macOS and Linux, with optional cloud models through your own API keys. | Free | Yes | Mac · Windows | -- | 6 Oct |
| Kindred MindAI journaling app generating thought-provoking questions with emotional pattern tracking for personal growth. | -- | Yes | iOS · Android | -- | 19 Aug |
| LiteLLMOpen-source AI gateway and Python SDK that puts 100+ LLM providers behind one OpenAI-compatible API, with budgets and fallbacks. Free to self-host. | -- | Yes | Web · Mac · Windows | -- | 23 Oct |
| llama.cppFree MIT-licensed C/C++ engine that runs LLMs locally. 130,000+ GitHub stars, GGUF models, OpenAI-compatible server. A developer tool. | Free | Yes | Mac · Windows | -- | 7 Oct |
| LM StudioFree desktop app that runs open LLMs locally on llama.cpp and MLX, with an OpenAI-compatible local server and an optional $20 cloud plan. | $20/mo | Yes | Mac · Windows | -- | 5 Oct |
| MaleCNS ConnectomeFree connectome of 166,000+ neurons across an entire male Drosophila nervous system, from HHMI Janelia and Google Research. | Free | Yes | Web | -- | 14 Oct |
| MealMatch AIMealMatch AI is an iOS app that builds meal plans for diabetes, PCOS, cancer recovery and heart disease, with an AI guide named Kofi and Instacart checkout. | $4.17/mo | Yes | iOS · Mac | -- | 23 Aug |
| MiroFishOpen-source app that simulates thousands of LLM personas reacting on mock social networks to rehearse public response. Self-hosted, AGPL-3.0 licensed. | Free | Yes | Web | -- | 27 Oct |
| ModalAI infrastructure that developers love: serverless compute for ML inference, training, and batch processing | $250/mo | Yes | Web | -- | 19 Aug |
| MstyDesktop AI workspace that runs local and online models side by side. Free Studio plan and paid Aurum tier. For Windows, macOS and Linux. | $12.42/mo | Yes | Web · Mac · Windows | -- | 7 Oct |
| Open WebUISelf-hosted browser chat for Ollama and OpenAI-compatible models, adding retrieval, plugins and user roles. Free software, about 154K GitHub stars. | -- | Yes | Web | -- | 6 Oct |
| OpenRouterSingle API endpoint for 300+ AI models from OpenAI, Anthropic, Google, and other providers, with one bill and no vendor lock-in. | -- | Yes | Web | -- | 24 Aug |
| OvermindOpen-source platform that turns AI agent traces into scored datasets and LoRA or full fine-tunes of open models from 230M parameters up, with weights you keep. | $120/mo | Yes | Web | -- | 27 Oct |
| QlikData analytics and integration platform used by 40,000+ organizations worldwide. | Free | Yes | Web · iOS · Android · Windows | -- | 19 Aug |
| ReplicateRun open-source AI models via API without managing any GPU infrastructure. | Free | Yes | Web | -- | 21 Aug |
| RiffusionFree AI music generator that creates instrumental tracks from text prompts in 30–45 seconds, no login required. | $8/mo | Yes | Web · Mac · Windows | -- | 19 Aug |
| SayvrSayvr is a free iOS and Android app that scans meals and fridges with AI to surface recipes and nutrition data, founded in London in 2023. | Free | Yes | iOS · Android | -- | 23 Aug |
| SubmitMyStartupFree MCP server, planner and JSON API that rank 748 startup directories and launch sites, using real submission results from 638+ attempts. | Free | Yes | Web | -- | 24 Oct |
| ThoughtSpotAI-Powered Agentic Analytics Platform for Self-Service Business Intelligence | $25/mo | Yes | Web | -- | 19 Aug |
| Rows AIRows was an AI spreadsheet with GPT formula functions and live data integrations. Superhuman acquired it and wound it down in May 2026, so it can no longer be bought. | $6/mo | Yes | Web · iOS · Android | 3.4 | 10 Nov |
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