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

# Claude Opus 4.6

> Anthropic's Claude Opus 4.6 language model

Claude Opus 4.6 is Anthropic's high-capability model for demanding reasoning, analysis, and coding tasks.

## Model

```
anthropic/claude-opus-4-6
```

|              |                 |
| ------------ | --------------- |
| **Provider** | Anthropic       |
| **Name**     | Claude Opus 4.6 |

## Supported Endpoints

All three API formats are supported:

* [Chat Completions](/api-reference/v1-chat-completions) — `POST /v1/chat/completions`
* [Responses](/api-reference/v1-responses) — `POST /v1/responses`
* [Messages](/api-reference/v1-messages) — `POST /v1/messages`

## Example

```bash theme={null}
curl -X POST https://api.unifically.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "anthropic/claude-opus-4-6",
    "max_tokens": 2048,
    "messages": [
      {"role": "user", "content": "Architect a microservices system for an e-commerce platform."}
    ]
  }'
```