free-ai-api-keys

openai/gpt-6-astra

OpenAI: GPT-6 Astra

Context length
1050K
Input / 1M tokens
$10.00
Output / 1M tokens
$50.00
Released
2026-09-04
Modality
text+image+file->text

About OpenAI: GPT-6 Astra

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Call OpenAI: GPT-6 Astra

Via OpenRouter: one base URL for every provider.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-6-astra",
    "messages": [{"role": "user", "content": "Say hello"}]
  }'

Direct on OpenAI:

curl https://api.openai.com/v1/chat/completions \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-6-astra",
    "messages": [{"role": "user", "content": "Say hello"}]
  }'

OpenAI keys

OpenRouter keys

OpenRouter keys work for openai/gpt-6-astra regardless of the upstream provider.