Model Platforms & APIs
50 tools in the n3os directory.
Hirundo
Hirundo removes the effect of particular training data from an already-trained model — bad labels, copyrighted material, personal data subject to a…
LAION
LAION is a non-profit that publishes open machine learning resources — most significantly LAION-5B, a dataset of billions of image-text pairs scraped…
TensorOpera
TensorOpera, formerly FedML, is a platform for training, fine-tuning and deploying large models, with federated learning as its distinguishing…
Multiverse Computing
Multiverse Computing builds quantum and quantum-inspired software for finance, energy and life sciences — optimisation problems and, notably, model…
Reka AI
Reka AI is a foundation model lab building the Reka family: Core as the largest, Flash tuned for speed and cost, and Edge sized for on-device and…
Vectara
Vectara provides retrieval-augmented generation as a service: ingestion, retrieval, grounded generation and an evaluation layer that scores how well an…
Google AI Studio
by Google
Google AI Studio is a free web environment for prototyping with the Gemini model family: writing and running prompts, adjusting parameters, working…
Eden AI
Eden AI is a single API connected to a wide range of AI engines, covering generative models alongside the workhorse tasks: OCR, translation, speech to…
Portkey
Portkey is a gateway and operations control plane for language model traffic, giving one OpenAI-compatible endpoint across more than sixteen hundred…
Stepfun
Stepfun builds the Step family of multimodal foundation models — Step-1, Step-2, a multi-trillion-parameter mixture-of-experts model, and Step-Audio…
Actualyze AI
Actualyze AI sits between an organisation's employees, applications and agents and the underlying model providers, as a single OpenAI-compatible layer…
Sapiom
Sapiom is an inference router exposed through an OpenAI-compatible API, metering every call and routing it across efficient, mid-tier and frontier…
Hydra Host
Hydra Host rents dedicated, non-virtualised NVIDIA GPU servers for AI, HPC and data workloads, across a network of more than forty data centres.
Bright Data
Bright Data provides the infrastructure for collecting public web data: a large proxy network spanning residential, mobile and data-centre addresses,…
Invisible Technologies
Invisible Technologies supplies training data and AI operations, pairing a large expert workforce with software to produce the human feedback,…
MongoDB Atlas Vector Search
Atlas Vector Search adds semantic vector search to MongoDB Atlas. Embeddings are stored as fields on documents alongside the operational data they…
Palantir AIP
Palantir AIP lets organisations use large language models on their private networks and against their own operational data, within the access controls…
Deccan AI
Deccan AI supplies expert-built training data to organisations training large language models and agents: supervised fine-tuning datasets, RLHF…
Voltage Park
Voltage Park rents NVIDIA H100 and Blackwell clusters for AI training and inference, either on demand by the hour or on longer dedicated-reserve contracts.
Datacurve
Datacurve supplies training data — specifically coding and engineering data — to frontier AI labs. It sources it through Shipd, a bounty platform where…
Nebius
Nebius operates large NVIDIA GPU clusters for training and inference, from H100 through GB200, with managed Slurm and Kubernetes and an inference API…
Auriko
Auriko is an LLM gateway: a single OpenAI-compatible endpoint sitting in front of more than a dozen model providers, routing each request by price,…
Sakana AI
Sakana AI is a research lab founded by David Ha, formerly of Google Brain, and Llion Jones, a co-author of the original Transformer paper.
Imbue
Imbue is an AI research company working on agents that can reason and act safely on goals larger than a single prompt.
Tenstorrent
Tenstorrent builds AI training and inference accelerators — the Wormhole and Blackhole chips — on an open RISC-V architecture, fabricated by Samsung…
Etched
Etched builds Sohu, an application-specific integrated circuit designed to do one thing: transformer inference. Where a GPU is programmable and…
Inception Labs
Inception Labs is a Stanford spinout building Mercury, a family of diffusion-based large language models. Where a conventional transformer produces…
Together AI
Together AI hosts a wide library of open models - chat, code, image, video and vision - behind serverless and dedicated endpoints, with batch…
SambaNova
SambaNova runs open models on reconfigurable dataflow hardware of its own design. It is sold as a hosted cloud service, as a software stack, and as…
Cerebras
Cerebras builds AI accelerators on a single wafer rather than assembling many separate chips, and sells access to them as a hosted inference service…
AI21 Labs
AI21 builds foundation models and systems for business use. Its current products are a gateway that sits in front of model traffic and routes each…
RunPod
RunPod rents GPU compute in two shapes: pods, which are on-demand machines across many regions, and serverless endpoints, which start on a request and…
Cohere
Cohere builds and hosts its own model family - generation, embeddings, reranking, transcription, translation and document parsing - plus an enterprise…
Groq
Groq runs open models on processors it designed specifically for inference rather than training, and sells access as an API with an OpenAI-compatible…
Fireworks AI
Fireworks AI is a training and inference platform for open models, offering serverless and dedicated serving, fine-tuning, and a routing layer that…
Lambda
Lambda rents NVIDIA GPU compute: on-demand instances by the hour, one-click multi-node clusters, and reserved capacity for long runs.
xAI Grok API
The Grok API provides developer access to xAI's models, covering text and reasoning alongside image and voice capabilities, with real-time access to…
Vertex AI
Vertex AI is Google Cloud's machine learning platform. It provides access to Google's models and many others, along with the surrounding apparatus:…
OpenAI
OpenAI is the research company behind ChatGPT and the GPT family of models. It provides a consumer assistant, a developer platform, image and video…
OpenAI API Platform
This is OpenAI's developer platform rather than the consumer assistant. It provides API access to its models for text, images, audio and embeddings,…
Replicate
Replicate runs open-source models through an API. You call a hosted version of a published model without provisioning any hardware, and you can package…
Fal.ai
Fal. ai runs generative media models for image, video and audio behind a fast API. It concentrates on inference speed and on offering one interface to…
Llama
by Meta AI
Llama is Meta's family of open-weight language models. The weights can be downloaded and run on your own hardware or through many providers, and they…
Meta AI
Meta AI is Meta's consumer assistant. It answers questions, generates images and helps with everyday tasks, and it is built into WhatsApp, Instagram,…
Anthropic
Anthropic is an AI research company. It builds the Claude family of models, reachable through a chat interface, a developer API, a command-line coding…
Mistral
Mistral is a European AI company producing both open-weight models and a commercial platform. It offers an API, a chat assistant, and deployment…
Hugging Face
Hugging Face is the main hub for open machine learning. It hosts models, datasets and demonstration applications, provides the libraries most…
LM Studio
LM Studio is a desktop application for running language models on your own computer. It provides a chat interface, downloads models for you, and can…
Ollama
Ollama runs open language models locally through a single command. It handles downloading, setup and serving, exposes a local API other software can…
DeepSeek Platform
DeepSeek provides access to its language and coding models through an API and a chat interface. Its models are notable for competing with far more…