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[AINews] Muse Spark 1.3 matches GPT-5.6-Sol, confirming Meta Superintelligence as the newest Frontier Lab, >90% discount for training

Mark Zuckerberg · Latent Space Blog · Sep 03, 2026 · Product Launches

Muse Spark 1.3 matches GPT-5.6-Sol, indicating Meta Superintelligence launch.

“It will be open weights as well(!!!)”— Mark Zuckerberg

Meta's new AI model, Muse Spark 1.3, has achieved comparable performance to leading models like GPT-5.6-Sol. This announcement highlights Meta's goal of entering the AI frontier while offering a significant pricing advantage by reducing costs through training incentive.

Meta AI models product update

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