Erratum for “GPT-6 Astra Pre-Release Testing Report”

This erratum corrects our GPT-6 Astra Pre-Release Testing Report, published September 14, 2026.

The WCB score originally reported for the GPT-6 Astra checkpoint (61.6% ± 0.6%) was generated with web search enabled, which does not match the configuration used for the comparator models. The updated web-search-disabled score is 59.2% ± 0.6%. Our conclusions are unchanged. Both scores were generated during the pre-release assessment period.

Read the corrected report View report with changes tracked

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