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.
Desktop app for downloading and running open-weight LLMs locally, now with a Bionic agent and optional US-hosted cloud models.
Spreadsheet-style workbench for writing, testing and shipping prompts, with a firewall on the outputs
Runs simulations across thousands of agent configurations to tune prompts, tools, and policies against a custom reward metric.
Ahead-of-time GPU compiler with a pay-as-you-go inference API, plus managed and on-premise deployments
Tracing, analytics and prompt versioning for LLM apps, with a self-hostable community edition.
Email inboxes and delivery infrastructure for autonomous agents
On-device AI inference stack for Apple Silicon, aimed at fast, private, local model execution.
Managed MongoDB cloud database with built-in vector search, hybrid search and Voyage AI embeddings for RAG and agent apps.
Source-available multimodal retrieval engine that embeds whole document pages, so RAG works over diagrams and datasheets.
One API over 500+ image, video and audio models, billed per generation with no charge for failed jobs
Pay-as-you-go APIs for 200-plus open models, rented GPUs, and a sandbox for running agents.
Single OpenAI-compatible API and credit balance for 500+ models from 80+ providers, with fallbacks and routing rules.
Open-source MCP server that lets AI assistants like Claude Desktop send texts, place calls, and read phone notifications.
Managed vector database for similarity search over billions of embeddings, with serverless and BYOC options
Pay-per-job inference API serving 50+ image and video models with sub-200 ms image latency
Free platform for optimizing, quantizing and deploying PyTorch or ONNX models to run on Qualcomm phones, PCs, cars and IoT chips.
Privacy-first LLM gateway that routes chat and API requests through trusted hardware.
Computer-vision platform for labeling images, training detection and segmentation models and deploying them to cloud or edge
Pay-per-use API that reaches OpenAI, Google, ByteDance, Kling, and Hailuo image and video models through one endpoint and one key.
Paid Node boilerplate for AI SaaS: auth, Stripe or Lemon Squeezy billing, RAG endpoints and demo apps
Serverless API for running 100+ image, video, 3D and audio models, billed per output or per second of GPU time
On-demand cloud GPUs for AI and ML work, rented by the minute and managed from a CLI, VS Code or an API.
One OpenAI-compatible API that routes requests across GPT, Claude, Gemini, and other models.