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International Business Times UK
International Business Times UK
World
Jeyn Klare Reyes

GPT-6 Astra Benchmarks Revealed: How OpenAI Says It Compares With Claude and GPT-5.6

Astra OpenAI Claude
OpenAI says GPT-6 Astra outperformed GPT-5.6 Sol and several Claude models across multiple coding, science and professional benchmarks, although it did not lead every evaluation. (Credit: Screenshot from X/ChatGPT)

OpenAI has unveiled GPT-6 Astra alongside benchmark results that suggest major gains in coding, scientific reasoning, computer use and professional tasks.

The company describes Astra as its most capable and aligned model yet. Its published results place it ahead of GPT-5.6 Sol and several Claude models on many tests, although Claude Fable 5.1 retains the lead on at least one prominent evaluation.

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