GPT-6 Astra API
LLMGPT-6 Astra is OpenAI's newest flagship route, with 1M context, image input, and tool use.
- Input · USD / 1M tokens$0.9 USDOfficial price
$10 USD - Output · USD / 1M tokens$4.5 USDOfficial price
$50 USD - Savings91%
- Context1M
- Last verified2026-09-24
- View tool pricing and billing rules
Use this model through its documented API. An online playground is not available for this protocol yet.
Read the docs01
Where it fits
GPT-6 Astra is OpenAI's newest flagship route, with 1M context, image input, and tool use.
Choose Astra for the hardest reasoning and agent work at one lower OmniaKey rate across its listed context window.
02
Model capabilities
Vision
Accepts visual input alongside text for multimodal coding and analysis tasks.
Tool use
Can select and call tools in agent workflows that support structured tool use.
03
OpenAI-compatible API
Keep your client and change the base URL, API key, and model ID.
curl https://api.omniakey.com/v1/responses \
-H "Authorization: Bearer $OMNIAKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-6-astra",
"reasoning": {"effort": "medium"},
"input": "Review this codebase and identify the two highest-risk areas"
}'04
Compatible coding tools
More OpenAI models
Frequently asked questions
How much does GPT-6 Astra cost on OmniaKey?
OmniaKey currently charges $0.9 USD per 1M input tokens and $4.5 USD per 1M output tokens, in USD. Direct provider rates are separate and may change with input context length.
What is the context window for GPT-6 Astra?
The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.
Which coding tools work with GPT-6 Astra?
The current catalog lists compatibility with Codex, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.