Cognee
70Turns documents and past sessions into a graph-plus-vector memory that AI agents can query across runs.
As of , EffectHub tracks 128 live AI tools in its AI Infrastructure & Dev Platforms category; 87 (68%) have a free tier, and paid plans start at $1.99 a month.
128 verified tools · 14 subcategories
The layer for people building AI: models, inference, vector stores, observability, and GPUs.
Showing 1–24 of 128
Turns documents and past sessions into a graph-plus-vector memory that AI agents can query across runs.
Runs ComfyUI workflows in a browser on rented GPUs, billing separately for edit time and generation time.
Social data API and hosted MCP server for X, Instagram, TikTok and Reddit without platform API keys
Meta's family of open-weight LLMs, downloadable under a community licence with a 700M-MAU carve-out.
A routing and verification layer that sits between your apps and language models to cut cost and catch ungrounded answers.
EU-hosted LLM gateway with an OpenAI-compatible API and routing by price, quality or latency.
API for fine-tuning open-source LLMs and running large-scale text classification, billed by training run rather than per token.
Checkpoint and LoRA hub with an on-site generator paid in Buzz
Open-source TypeScript framework for building, running, and observing AI agents in production.
Pay-per-token developer API for OpenAI's text, reasoning, image, speech and embedding models, with tools, batch jobs and fine-tuning.
Pay-as-you-go single API for text, image, and video models from multiple AI providers.
Serverless GPU cloud with per-second billing for inference endpoints, training jobs and sandboxes
Open-source search engine with vector storage and hybrid keyword-plus-semantic retrieval, self-hosted or run as a cloud service
OpenAI-compatible gateway routing requests to 100+ language, image, and video models by swapping a base URL.
Flat monthly plans for LLM API access with no per-token metering, built on open models.
Enterprise gateway serving 300+ models over one encrypted, zero-retention endpoint with per-token billing
GPU cloud provider renting Kubernetes-native compute by the hour for AI training and inference.
Enterprise platform for building, deploying and governing predictive models and AI agents, on cloud or on-prem
Google Cloud's platform for building, tuning, deploying and governing AI agents and models, formerly sold as Vertex AI.
Pay-as-you-go gateway to about 500 AI models through one OpenAI-compatible API, with provider routing, fallbacks and a single balance.
German non-profit publishing open image-text datasets like LAION-5B, plus CLIP models, for ML research
Open-source visual builder for LLM agents and RAG flows, deployable as an HTTP API or an MCP server.
Agent-building platform with a playground, visual workflow builder, agent marketplace and bring-your-own-model support, on web and mobile.
Single async API for image, video, music, chat, and 3D generation models from many providers.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 29, 2026, EffectHub tracks 128 live AI tools in its AI Infrastructure & Dev Platforms category; 87 (68%) have a free tier, and paid plans start at $1.99 a month. (EffectHub, “AI Infrastructure & Dev Platforms”, Oct 2026, https://effecthub.net/ai-tools/ai-infrastructure)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.
NVIDIA's open family of AI weather and climate models, covering forecasting, nowcasting, and high-resolution downscaling.
Runs open-weight language models locally from one command, with a hosted tier for larger models
Simulation-driven testing, evaluation, and guardrails platform for AI agents before and after production.
Stores and organizes AI prompts across ChatGPT, Claude, Gemini and other models with tags, versioning and sharing.
Prompt versioning, evals and tracing for LLM engineering teams
Playground and API for comparing and calling image, video, and text generation models from one account.
Find where to submit your startup: MCP server + planner
Agent enablement platform: a scanned skill registry, security loops on every PR and evals for the coding agents your team runs
One OpenAI-compatible endpoint fronting OpenAI, Anthropic, Google and DeepSeek at discounted token rates
Open-source app and library for running, fine-tuning and reinforcement-learning open LLMs locally with far less GPU memory.
Open-source control plane that provisions and schedules GPU jobs across clouds, Kubernetes and on-prem.
Gives each AI coding agent its own persistent cloud computer — disk, shell, and network — reachable via MCP from Claude Code or Cursor.
One OpenAI-compatible endpoint fronting a thousand hosted models
Pay-as-you-go gateway for image and video models like Seedance and Veo, with GPT, Claude and Gemini on the same endpoint.
One API key routes requests to more than 100 models from Claude, GPT, Gemini, and others.
Open-source backend platform (auth, database, storage, functions) increasingly pitched as the data layer under AI agents and RAG apps.
Documentation service and MCP server that feeds version-specific library docs and code examples into AI coding assistants.
Cloud sandboxes that give each AI agent its own isolated Linux microVM to run code, a browser or a desktop, via SDK and API.
Free WordPress plugin that runs an MCP server inside the site, so Claude, ChatGPT or Cursor can research, write and publish posts.
Personal AI workspace that keeps one long-term memory of your work, people and plans and shares it across several AI models.
Cloud data lake plus no-code ML workspace, with time-series forecasting and deployable REST endpoints.
Hosting hub for models, datasets and demo apps
A self-hosted proxy that checks role, redacts fields and logs every request an AI agent makes against databases, files and APIs.