> ## Documentation Index
> Fetch the complete documentation index at: https://traceroot.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Supported Models

> All LLM models available natively in TraceRoot Cloud

TraceRoot Cloud provides the following models out of the box — no API key required.

## Anthropic

| Model               | Description                                            |
| ------------------- | ------------------------------------------------------ |
| `claude-opus-4-8`   | Most capable model for complex reasoning and debugging |
| `claude-opus-4-7`   | Previous Opus generation                               |
| `claude-opus-4-6`   | Earlier Opus generation                                |
| `claude-sonnet-4-6` | Balanced performance and speed                         |
| `claude-opus-4-5`   | Earlier Opus generation                                |
| `claude-sonnet-4-5` | Previous Sonnet generation                             |
| `claude-haiku-4-5`  | Fast and lightweight                                   |

## OpenAI

| Model           | Description                             |
| --------------- | --------------------------------------- |
| `gpt-5.5`       | OpenAI's most capable model             |
| `gpt-5.4`       | Balanced GPT-5.4 model                  |
| `gpt-5.4-mini`  | Fast and cost-efficient GPT-5.4 variant |
| `gpt-5.4-nano`  | Smallest, lowest-cost GPT-5.4 variant   |
| `gpt-5`         | Previous flagship model                 |
| `gpt-5-mini`    | Fast and cost-efficient GPT-5 variant   |
| `gpt-5.3-codex` | Code-optimized model via Responses API  |
| `o3`            | Advanced reasoning model                |
| `o4-mini`       | Lightweight reasoning model             |

## Bring Your Own Key (BYOK)

Need a model not listed here? With [BYOK](/ai-agent/byok) you can bring your own API key and use any supported provider — including Azure OpenAI, Google (Gemini), Amazon Bedrock, xAI, DeepSeek, OpenRouter, Kimi, and GLM.

<Card title="Set up BYOK" icon="key" href="/ai-agent/byok">
  Use your own API keys to control which model powers the AI agent.
</Card>