# GPT-6 Astra

> OpenAI GPT-6 Astra reasoning/chat model with ~1.05M context; Experiential Cloud promotional free daily tier.

**ID**: `openai/gpt-6-astra`  
**Creator**: OpenAI  
**Category**: text  
**Context**: 1.1M tokens  
**Pricing**: $10.00 / $50.00 per 1M · billed by your provider (BYOK)  
**Released**: 2026-09-03  
**Web page**: https://anyrouter.dev/model/openai/gpt-6-astra

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

**Capabilities**: chat, streaming, function-calling, reasoning, 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/gpt-6-astra",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| experiential-byok | $10.00/M (list) | $50.00/M (list) |
| aihubmix-byok | $10.00/M (list) | $50.00/M (list) |
| router-byok | $10.00/M (list) | $50.00/M (list) |
| vercel-byok | $10.00/M (list) | $50.00/M (list) |

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