OpenAI says GPT-6 Astra Challenge submissions are due September 18
OpenAI’s developer account invited participants to build with Astra and submit their projects to the challenge on Product Hunt by September 18, 2026.
TLDR
OpenAI’s developer account said on September 11, 2026, that submissions were open for the GPT-6 Astra Challenge on Product Hunt. Participants were invited to build with Astra and submit their projects by September 18.
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