Alexandr Wang tells Meta employees Watermelon has caught GPT-5.5

Meta AI chief Alexandr Wang told employees in an internal town hall that the company's unreleased model, codenamed Watermelon, has matched OpenAI's GPT-5.5 on key benchmarks, giving CEO Mark Zuckerberg a talking point for Meta's $125 billion-plus AI infrastructure investment.

Alexandr Wang tells Meta employees Watermelon has caught GPT-5.5 The benchmark claim gives Zuckerberg a talking point for Meta's $125 billion-plus AI infrastructure buildout, but Watermelon is still unreleased. By Ryan Merket /author/ryan-merket · Published · Updated Why it matters Meta has spent aggressively to buy talent and compute. Watermelon is the first visible test of whether Alexandr Wang can turn that spending into frontier-model credibility. Meta AI chief Alexandr Wang https://x.com/alexandr wang?ref=runtimewire told employees in an internal town hall this week that the company's next major model, codenamed Watermelon, has caught up with OpenAI's GPT-5.5 on closely watched benchmarks, Business Insider reports https://www.businessinsider.com/meta-ai-model-catches-up-openai-gpt-5-says-2026-7?ref=runtimewire . Reader comments Conversation for this story loads after sign-in.