---
title: Surfaces
---

Canonical URL: https://ghost.fail/surfaces

# Surfaces

**Surfaces** are services that provide access to [AI models](/models). Each surface tends to have its own [deprecation lifecycle](/model-deprecation).

## Apps

Applications marketed to non-developers. These are usually consumer chatbot apps.

- [Claude.ai](/surfaces/claude-dot-ai)
- [ChatGPT](/surfaces/chatgpt)
- Copilot (formerly Bing Chat)

## APIs

Platforms tailored for developers to integrate LLMs into applications.

### First-party

| Surface                                | Provider                |
| -------------------------------------- | ----------------------- |
| [Claude Platform](/surfaces/anthropic) | [Anthropic](/anthropic) |
| [OpenAI API](/surfaces/openai)         | [OpenAI](/openai)       |
| [Gemini API](/surfaces/google)         | [Google](/google)       |
| xAI API                                | [xAI](/x-ai)            |
| Arcee Platform                         | [Arcee](/arcee-ai)      |

### Third-party

Partner platforms of AI labs that may provide extended access to legacy models.

| Surface                                         | Provider          |
| ----------------------------------------------- | ----------------- |
| [Bedrock](/surfaces/bedrock)                    | Amazon            |
| [Google Cloud / Vertex](/surfaces/google-cloud) | [Google](/google) |
| Foundry / Azure                                 | Microsoft         |

### Aggregators

Middleman router APIs. These are sometimes useful as they may provide exclusive access to models undergoing public testing, or legacy models only available to existing customers of first- or third-party APIs.

- [Vercel AI Gateway](https://vercel.com/ai-gateway)
- [OpenRouter](https://openrouter.ai)