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GPT-6 Astra

Updated Oct 24, 2026. Checked daily.

OpenAI

ChatGPT Plus ($20/month), then select GPT-6 Astra in Work or Codex.

Paid plan

Cost
Plus is $20/month; API is $10 per million input tokens and $50 per million output tokens.
Free tier
Not on the free plan. Plus includes access inside Work and Codex.
Privacy default
Yes on personal Free, Plus, and Pro. Improve the model for everyone is on by default. Settings, Data controls, turn off Improve the model for everyone. Source

Where it ranks

Leader history

No leader change mentions this model yet.

Questions

Is GPT-6 Astra good for coding & software?

GPT-6 Astra is the alternative pick for coding & software. Ranks near the frontier on SWE-bench and LMArena while integrating directly with OpenAI's Codex tooling.

Is GPT-6 Astra good for reasoning, math & science?

GPT-6 Astra is the alternative pick for reasoning, math & science. Ranks near the frontier on SWE-bench and LMArena while integrating directly with OpenAI's Codex tooling.

How much does GPT-6 Astra cost?

Plus is $20/month; API is $10 per million input tokens and $50 per million output tokens.

Does GPT-6 Astra train on my chats?

Yes on personal Free, Plus, and Pro. Improve the model for everyone is on by default. Settings, Data controls, turn off Improve the model for everyone.