OpenAI

Chat with GPT-6 Astra for free

GPT-6 Astra is a frontier reasoning model built for advanced coding, multistep tool use, and complex professional work.

Provider

OpenAI

Tier

Included from the Basic plan

Reasoning

Ideas to try

Explain a hard idea simply

Explain [topic] like I am smart but new to it. Use a concrete analogy.

Rewrite for clarity

Rewrite the following to be clearer and more concise, and keep the meaning:

Push back on my plan

I am deciding between A and B. Challenge my assumptions and tell me what I might be missing.

Draft a short plan

Help me draft a practical plan for [goal] over the next two weeks.

Start free, switch models instantly, upgrade only when you need more.