OpenAISep 3, 2026Closed APISecondary report

OpenAI launches GPT-6 Astra

The flagship that opened the GPT-6 generation, listed by LLM Gateway on September 3.

Why it matters: It started a crowded month of frontier launches.

Price: Not verified
Context: 1M (Artificial Analysis)
Availability: API
Parameters: Not disclosed

Benchmark	Score	Type	Measured or published by
AA Intelligence Index (max)	57	Independent	Artificial Analysis leaderboard

Sources: llmgateway.io artificialanalysis.ai

GPT-6 Astra

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