AI Platforms & Developer Tools
Foundation models, multi-model platforms, coding assistants and the tooling to evaluate and operate AI.
Up to five options per category, in alphabetical order: the order means nothing and nothing here is a ranking, a recommendation or an endorsement. We earn nothing from any vendor. For wider market coverage, see analyst reports such as Gartner Magic Quadrants and Forrester Waves, and test any tool against your own needs.
Foundation model platforms
The companies and projects that build the large language models other tools run on.
| Name | What it is | Type |
|---|---|---|
| Anthropic | Maker of the Claude models. | Paid |
| Google Gemini and Vertex AI | Google's Gemini models and AI platform on Google Cloud. | Paid |
| Meta Llama | Open-weight language models from Meta. | Open source |
| Mistral AI | Open-weight and commercial language models. | Open source |
| OpenAI | Maker of the GPT models and ChatGPT. | Paid |
Multi-model platforms and AI routers
One place to reach many models, with a single API, access control and cost tracking.
| Name | What it is | Type |
|---|---|---|
| AWS Bedrock | Amazon's managed service for many foundation models. | Paid |
| Azure AI Foundry | Microsoft's platform for building and running AI applications. | Paid |
| LiteLLM | Open-source gateway with one interface for many models. | Open source |
| OpenRouter | One API for models from many providers. | Paid |
| Portkey | AI gateway with an open-source core. | Open source |
AI coding assistants
Write, explain and review code inside the editor or the terminal.
| Name | What it is | Type |
|---|---|---|
| Claude Code | Anthropic's coding agent for the terminal and editor. | Paid |
| Cline | Open-source coding agent for VS Code. | Open source |
| Continue | Open-source AI coding assistant for popular editors. | Open source |
| Cursor | Code editor built around AI assistance. | Paid |
| GitHub Copilot | GitHub's AI coding assistant. | Paid |
LLMOps, evaluation and CI/CD for AI
Track experiments, test prompts and models, and run those checks in the build pipeline.
| Name | What it is | Type |
|---|---|---|
| Braintrust | Evaluation and observability for AI applications. | Paid |
| LangSmith | Tracing and evaluation for LLM applications. | Paid |
| MLflow | Open-source platform for the machine learning lifecycle. | Open source |
| promptfoo | Open-source prompt and model evaluation that runs in CI. | Open source |
| Weights & Biases | Experiment tracking and model evaluation. | Paid |