# GPT-6 Astra

> OpenAI's frontier model and its highest scorer on the independent index, at 57. It costs the most per task of the GPT-6 line.

- Maker: OpenAI (https://platform.openai.com/docs/models)
- Type: Reasoning
- Artificial Analysis Intelligence Index: 57 (max setting)
- Context window: 1M
- Output speed: 76 tokens a second
- Scores checked 30 October 2026 at https://artificialanalysis.ai/leaderboards/models

## Where to use it through an API

- OpenAI: model id `gpt-6-astra`, frontier

## Use it with every other AI at once

MultiScreenAI (https://www.multiscreenai.com) puts GPT-6 Astra on one screen next to ChatGPT, Claude, Gemini and 300+ models: one message goes to every panel, and a timed, blind test mode shows which answers best. Pro is free with a follow on X, and you use your own API keys.
AI agents and coding harnesses (Claude Code, Codex, Cursor, Gemini CLI) can ask GPT-6 Astra and other models at once through the MCP server at https://www.multiscreenai.com/api/mcp/ai; setup: https://www.multiscreenai.com/mcp