OpenAI
GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs:
OpenRouter
Price record: 2026-09-16. Source: openrouter.
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24.9
Quality Score
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Arena ELO
Undisclosed
Parameters
1M
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
13 of 22 public signals
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has official provider benchmark evidence, but not a normalized independent benchmark table yet.
A full normalized benchmark row is not available for this model yet.
Official benchmark evidence is already available below, so this release is still being tracked while the normalized table catches up.
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Sep 2026
Released
3/5 signals
2/4 signals
5/5 signals
1/4 signals
2/4 signals
Gaps we are still tracking
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
Introducing GPT‑5 for developers
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View sourceModels | OpenAI API
ChatGPT Home API Codex Docs Guides, concepts, and product docs for Codex Use cases Example workflows and tasks teams can take on with ChatGPT or Codex Docs Use cases Training Resources ChatGPT Plugins Extend ChatGPT and Codex Workspace Agents Trigger published ChatGPT workspace agents Commerce Build commerce flows in ChatGPT Ads Publish and measure ads in ChatGPT Resources Showcase Demo apps to get inspired Blog Learnings and experiences from developers Cookbook Notebook exam
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