# o3-pro

> OpenAI o3-pro is a version of o3 that uses more compute to think longer and give more reliable answers on hard problems. It accepts text and image input, supports tool use and structured outputs, and has a 200,000-token context window with up to 100,000 output tokens. OpenAI serves it on the Responses API only.

**ID**: `openai/o3-pro`  
**Creator**: OpenAI  
**Category**: multimodal  
**Context**: 200K tokens  
**Pricing**: $20.00 / $80.00 per 1M · billed by your provider (BYOK)  
**Released**: 2025-06-10  
**Web page**: https://anyrouter.dev/model/openai/o3-pro

**Input modalities**: text, image  
**Output modalities**: text  

**Tokenizer**: GPT

**Capabilities**: chat, reasoning, streaming, function-calling, vision

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/o3-pro",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| openai-byok | $20.00/M (list) | $80.00/M (list) |
| vercel-byok | $20.00/M (list) | $80.00/M (list) |
| openrouter-byok | $20.00/M (list) | $80.00/M (list) |
| fluence-byok | $18.89/M (list) | $75.56/M (list) |
| aihubmix-byok | $20.00/M (list) | $80.00/M (list) |
| aimlapi-byok | $21.16/M (list) | $84.64/M (list) |
| edenai-byok | $20.00/M (list) | $80.00/M (list) |
| helicone-byok | $20.00/M (list) | $80.00/M (list) |
| nousresearch-byok | $20.00/M (list) | $80.00/M (list) |
| poe-byok | $20.00/M (list) | $80.00/M (list) |
| requesty-byok | $20.00/M (list) | $80.00/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Source

- Upstream docs: https://developers.openai.com/api/docs/models/o3-pro