Best AI platforms and APIs in 2026

Where you get access to models: provider APIs, model hosting and local runners. 13 tools, ranked by live GitHub and npm numbers.

All Freemium Pay-as-you-go13 shown

Tool	Pricing	GitHub stars	Stars, 30 days	npm a week	Last release
OllamaRun open source AI models locally, with an optional hosted cloud and Pro plan.	Freemium	185k	+2,996	889k	2 days ago
Hugging FaceHub for open source AI models, datasets and demo apps, plus paid hosting for inference and Spaces.	Freemium	168k	+1,470	440k	6 days ago
OpenAIAI research company behind ChatGPT and the GPT model family, accessed through apps and an API.	Freemium	11.2k	+53	51M	3 days ago
OpenAI APIPay-per-token API access to OpenAI's GPT models for building AI into your own applications.	Pay-as-you-go	11.2k	+53	51M	3 days ago
AnthropicAI research company that makes the Claude models, the Claude apps and the Claude API.	Pay-as-you-go	2.2k	+31	54M	2 days ago
ReplicateRun and deploy machine learning models in the cloud through a simple API, billed by the second.	Pay-as-you-go	598	0	693k	11 months ago
CohereEnterprise-focused AI company offering language, embedding and rerank models through an API.	Pay-as-you-go	None	None	543k	None
GroqAI inference company behind GroqCloud, a fast API for running open models on its own LPU chips.	Pay-as-you-go	None	None	1M	None
LM StudioDesktop app for downloading and running open-weight language models locally, with a chat UI and local API.	Freemium	None	None	65.1k	None
Mistral AIFrench AI company building open-weight and proprietary language models, accessed via API or Le Chat.	Pay-as-you-go	None	None	9.6M	None
OpenRouterOne API for 500+ AI models from 80+ providers, announced on 19 August 2026 that it is joining Stripe.	Pay-as-you-go	None	None	None	None
Perplexity AIAI-powered answer engine that searches the web and cites sources, with a free tier and paid Pro/Max plans.	Freemium	None	None	None	None
Together AICloud platform for running and fine-tuning open source AI models, with serverless inference and GPU clusters.	Pay-as-you-go	None	None	118k	None

AI Platforms & APIs comparisons

OpenAIvsAnthropic

OpenAI, founded in 2015, is structured as a nonprofit-controlled entity, the OpenAI Foundation, over OpenAI Group PBC, with Microsoft holding a large minority stake, and ships the ChatGPT apps and GPT-6 models.

ReplicatevsHugging Face

Replicate runs open source and custom machine learning models through a hosted API, billing by compute time or per output with no subscription.

OllamavsLM Studio

Ollama is an open source, command-line-first tool for downloading and running open-weight AI models on your own machine, with a local API and optional paid cloud models.

OllamavsOpenAI

Ollama is an open source tool that downloads and runs open-weight AI models on your own machine, free of charge, with an optional paid plan for hosted cloud models.

CoherevsMistral AI

Cohere builds proprietary language, embedding and rerank models aimed at enterprise search and retrieval, with its current flagship pricing quoted directly by sales.

CoherevsOpenAI API

Cohere is an enterprise-focused AI company offering its Command language models plus embedding and rerank models for search and retrieval, available through its own API and major clouds.

Alternatives

Ollama alternatives12 options Hugging Face alternatives12 options OpenAI alternatives12 options OpenAI API alternatives12 options Anthropic alternatives12 options Replicate alternatives12 options Cohere alternatives12 options Groq alternatives12 options

How to choose

These are the services and apps that give you access to models. Provider APIs come from the companies that train the models. Hosting platforms run many models, often open-weight ones, behind one API. Local runners download a model and run it on your own machine.

The choice is mostly about control and cost. A provider API is the shortest path to the newest proprietary models. A hosting platform lets you switch between open models and usually charges by token or by compute time. A local runner keeps data on your machine and has no per-request cost, but is limited by your hardware.

What to compare

Which models it serves
Billing: per token, per second of compute, or free to run locally
Hosted, self-hosted or on your own machine
Fine-tuning and custom model support
Data retention and privacy terms
Rate limits and regions

Questions

Should I use a hosted API or run a model locally?

A hosted API is quicker to start with and gives you the largest models, billed per request. Running locally keeps your data on your machine and costs nothing per request, but the models you can run depend on your hardware.

What is the difference between a model provider and a hosting platform?

A provider trains its own models and sells access to them. A hosting platform runs models made by others, mostly open-weight ones, and lets you pick between them through one API.