Directory

YAML-configured open-source framework for fine-tuning and post-training LLMs: full, LoRA and QLoRA training, preference and RL methods, multimodal models and multi-GPU or multi-node runs

Hosted observability and evaluation platform for AI agents with tracing, experiments, pattern detection, a CLI, MCP access and an AI assistant (Loop) that analyzes traces and builds evals

Developer API over Brave's independent web index offering web, news, image, video, LLM-context and grounded-answer endpoints on prepaid credits

OpenAI's consumer and workplace assistant, available on the web, desktop and mobile, with projects, plugins, browsing, voice and the Codex coding agent

Anthropic's consumer and team assistant on web, desktop and mobile, with projects, artifacts, memory, connectors and web search, sold on Pro, Max, Team and Enterprise plans

Enterprise-focused model provider with Command generation, Embed and Rerank retrieval models, Aya multilingual research models, the North agent platform and private or dedicated deployment options

Nonprofit open repository of petabyte-scale web crawl data since 2008, published as WARC, WAT and WET files on AWS Open Data with URL and columnar indexes

AI search engine over peer-reviewed literature that synthesizes answers, shows a Consensus Meter for yes/no questions and summarizes studies

Open-source Python framework for role-based multi-agent crews and event-driven flows, with a commercial enterprise console for deploying, monitoring and triggering automations

AI-native code editor from Anysphere, forked from VS Code, with inline edits, codebase-aware chat and agent mode that can run multi-step changes

Python framework for programming language-model pipelines with typed signatures and modules, then optimizing prompts and weights automatically against a metric

AI research assistant that finds papers, extracts structured data from them into tables and runs systematic-review style workflows and reports

Search API for AI agents built on Exa's own web index, offering search, page contents, deep research and asynchronous agent endpoints with Python and JavaScript SDKs

Open-source software that pools several Apple Silicon Macs (and Linux hosts) into one local inference cluster, sharding large models across devices with MLX

Apple's Swift framework giving apps access to the on-device Apple Intelligence language model with guided generation, tool calling and sessions, on OS 26 and later

Google's consumer assistant on web, Android and iOS, with Gemini Live voice, Deep Research, Canvas, Gems and image and video generation, tied to Google AI subscription plans

Google's developer API for the Gemini model family, keyed from Google AI Studio, with function calling, Search grounding, Live API, image and video generation and a free tier

Google's public cloud with Compute Engine, GKE, Cloud Run, BigQuery, Cloud Storage and the Vertex AI platform for Gemini and other models

Google's hosted productivity suite: Gmail, Drive, Docs, Sheets, Slides, Meet, Chat and Calendar with admin controls, Gemini features and developer APIs

Low-latency hosted inference API for open-weight models on Groq's LPU hardware, OpenAI-compatible, with speech-to-text, text-to-speech, tool use and batch tiers

Python library for extracting validated structured data from LLM responses using Pydantic models, with automatic retries, streaming partials and support for many providers

Prefix-style API from Jina AI that converts any public URL into LLM-ready Markdown (r.jina.ai) or returns web search results with content (s.jina.ai), with open-source server code

Open-source Python and JavaScript framework whose create_agent harness builds tool-using agents on the LangGraph runtime with swappable model providers and middleware

LangChain's hosted platform for tracing, evaluating and deploying LLM applications and agents, with prompt tooling, an LLM gateway and cloud, hybrid or self-hosted options