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

# GPT-4o API

> GPT-4o API on Venice: 128K context, $2.50 input and $10.00 output per 1M tokens. Anonymized access without your identity. Supports function calling and vision.

> [accordion] Plain-text specification
>
> ## GPT-4o API
>
> GPT-4o is a large language model by OpenAI, available on the Venice API as `openai-gpt-4o-2024-11-20`. Requests are anonymized, so the provider never sees your identity.
>
> OpenAI's multimodal model with vision capabilities, strong reasoning, and broad knowledge. Popular for its balanced performance across tasks. Version: 2024-11-20.
>
> ### GPT-4o API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `openai-gpt-4o-2024-11-20` | Standard | Anonymized | $2.50 / $10.00 per 1M |
>
> ### GPT-4o specifications
>
> | Spec | Value |
> | - | - |
> | Provider | OpenAI |
> | Released | Feb 28, 2026 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Context window | 128K tokens |
> | Max output | 16K tokens |
>
> ### How to use the GPT-4o API
>
> Send requests to `POST https://api.venice.ai/api/v1/chat/completions` with `"model": "openai-gpt-4o-2024-11-20"` and your API key.
>
> ```bash theme={"system"}
> curl https://api.venice.ai/api/v1/chat/completions \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "openai-gpt-4o-2024-11-20",
>     "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }]
>   }'
> ```
>
> ### Related models
>
> * [Qwen 3.7 Max API](https://docs.venice.ai/models/qwen-3-7-max.md): $2.70 / $8.05 per 1M
> * [Aion 3.0 API](https://docs.venice.ai/models/aion-3-0.md): $3.75 / $7.50 per 1M
> * [Claude Sonnet 5 API](https://docs.venice.ai/models/claude-sonnet-5.md): $2.00 / $10.00 per 1M
> * [Gemini 3.1 Pro Preview API](https://docs.venice.ai/models/gemini-3-1-pro-preview.md): $2.50 / $15.00 per 1M


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