Best AI Agents & Infrastructure Tools of 2026

Vast ai

vast.ai

#25

GPU rental marketplace with per-second billing across thousands of GPUs, aimed at AI training, inference, and fine-tuning workloads.

Consistent Character by fofr

replicate.com

#26

Pay-per-use cloud API to run, fine-tune, and deploy thousands of open-source and proprietary AI models with one line of code.

MiniMax M2.7

minimax.io

#27

MiniMax's general-purpose autonomous AI agent that plans and completes complex multi-step tasks from a single prompt.

Unsloth AI

unsloth.ai

#28

Open-source library and desktop app for fast, memory-efficient local fine-tuning and inference of open LLMs.

Dify.ai

dify.ai

#29

Open-source platform to build, deploy and monitor agentic AI workflows and RAG apps, with cloud, self-host and enterprise options.

Verdent

verdent.ai

#30

Credit-based AI coding agent that builds full applications from plain-language instructions, including backend, billing, and admin features.

Prompthero

prompthero.com

#31

Large searchable library of community-submitted AI image and video prompts for Midjourney, Sora, FLUX, and more.

Modal

modal.com

#32

Serverless AI cloud for running inference, training and sandboxes on GPUs with fast cold starts and pay-per-use billing.

Atlas Cloud

atlascloud.ai

#33

Unified pay-per-use API serving 400+ multimodal AI models (image, video, audio, 3D, LLM) through one OpenAI-compatible key.

Runable

runable.com

#34

General AI agent executing tasks and integrating thousands of apps; very high traffic.

Paperclip - ing

paperclip.ing

#35

Open-source, self-hosted app to manage teams of AI agents like a company - org chart, goals, budgets and per-agent approvals.

AIprm

aiprm.com

#36

Browser extension adding a community prompt library and prompt management to ChatGPT, Claude and other AI tools.

MuleRun

mulerun.com

#37

Always-on cloud AI agent that runs multi-step workflows and monitoring on a dedicated 24/7 VM to automate business tasks.

RentAHuman

rentahuman.ai

#38

Marketplace where AI agents or people post paid real-world task bounties for humans to complete, from errands to store audits.

PromptBase

promptbase.com

#39

Large marketplace for buying, selling, and browsing tested prompts for Midjourney, ChatGPT, Gemini, Claude, and other AI models.

Agent Skills Marketplace

skillsmp.com

#40

Searchable directory of open-source AI agent 'skills' (SKILL.md files) for developers building with Claude, Codex, or ChatGPT agents.

Vanta

vanta.com

#41

Compliance automation platform that continuously monitors controls and evidence to help companies achieve SOC 2, ISO 27001, and HIPAA.

Image to Prompt

imageprompt.org

#42

Free-tier image-to-prompt generator that reverse-engineers reference images into editable prompts for major AI art models.

liteLLM

litellm.ai

#43

Open-source AI gateway giving dev teams unified access, fallbacks and spend tracking across 100+ LLMs.

Dust

dust.tt

#44

AI assistant for teams with secure LLM and company-knowledge access.

Nebius

nebius.com

#45

AI-focused cloud offering NVIDIA GPU compute, storage and MLOps tooling for training and inference at scale, with usage-based pricing.

Flowith

flowith.io

#46

Agentic AI workspace where users direct AI agents on a canvas to carry out multi-step tasks and generate content.

Aikido Security

aikido.dev

#47

Developer-first security platform unifying code, cloud, runtime and AI pentesting with noise reduction and autofix.

Fireworks AI

fireworks.ai

#48

Developer platform for fast serverless inference and training of open generative models, billed per token or GPU-second.