Arena.ai(@arena):Watch @petergostev put GPT-6 Astra by @OpenAI through an extensive, zero-cherry-picking gauntlet of one-shot 3D and interactive world generations. Peter compares GPT-6 Astra against Claude Fable 5.1, and breaks down how reasoning levels (from low to ultra) affect output quality, detail, and cost. GPT-6 Astra is coming to the Arena soon! Stay tuned to test, and see scores.

Arena.ai

@arena

Where AI meets the real world. We measure and advance the frontier of AI through community-driven evaluation. We’re hiring →

Joined March 2023

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Arena.ai@arena

2026.09.03 20:26

Watch @petergostev put GPT-6 Astra by @OpenAI through an extensive, zero-cherry-picking gauntlet of one-shot 3D and interactive world generations. Peter compares GPT-6 Astra against Claude Fable 5.1, and breaks down how reasoning levels (from low to ultra) affect output quality, detail, and cost. GPT-6 Astra is coming to the Arena soon! Stay tuned to test, and see scores.