# OpenAI GPT-4o (2024-11-20) API

> This is the pinned November 20, 2024 snapshot of OpenAI's GPT-4o, with text and image input and text output, plus Structured Outputs and function calling. It is the most recent of the dated GPT-4o snapshots OpenAI lists in the API, following the August 2024 release. Use it for workloads that need a fixed GPT-4o version from late 2024 rather than the moving GPT-4o alias.

Source: https://www.sandbase.ai/models/openai/gpt-4o-2024-11-20
API reference: https://www.sandbase.ai/models/openai/gpt-4o-2024-11-20/docs

## Facts

- Provider: OpenAI
- Type: Language model
- Model ID: `openai/gpt-4o-2024-11-20`
- Price: $2.50 per 1M input tokens, $10 per 1M output tokens
- Context window: 128K tokens, up to 16.4K output tokens
- Capabilities: chat, vision, structured output, function calling
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

- Responses API: `POST https://api.sandbase.ai/v1/responses`
- Chat Completions API: `POST https://api.sandbase.ai/v1/chat/completions`

```bash
curl -X POST https://api.sandbase.ai/v1/responses \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/gpt-4o-2024-11-20",
  "input": "Hello",
  "max_output_tokens": 2048
}'
```

## FAQ

### How do I call OpenAI GPT-4o (2024-11-20) through SandBase?

Create a SandBase API key, then send requests with the model ID "openai/gpt-4o-2024-11-20" to Responses API (/v1/responses) or Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.

### How much does OpenAI GPT-4o (2024-11-20) cost?

$2.50 per 1M input tokens and $10 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.

### What is the context window of OpenAI GPT-4o (2024-11-20)?

128K tokens of context, with up to 16.4K output tokens per response.

### Which features does OpenAI GPT-4o (2024-11-20) support?

OpenAI GPT-4o (2024-11-20) supports vision (image input), function calling, structured output. See Specifications above for the full list.

### Do I need a separate OpenAI account?

No. One SandBase API key and balance gives you access to OpenAI GPT-4o (2024-11-20) and the other models in the catalog; you do not need to sign up with OpenAI separately.