Meta

4 articles tagged with Meta

April 28, 2026
model release+1

Meta releases Muse Spark, its first closed-source AI model with paid developer access

Meta released Muse Spark in early April, its first closed-source AI model that will eventually offer paid developer access. According to Arena.AI rankings, Muse Spark trails Anthropic's Claude and Google's Gemini in text capabilities but beats OpenAI's GPT in vision tasks.

April 15, 2026
model release

Meta releases Llama Guard 4, a 12B parameter multimodal safety classifier with 164K context window

Meta has released Llama Guard 4, a 12-billion parameter content safety classifier derived from Llama 4 Scout. The model features a 163,840 token context window and can classify both text and image content, available free through OpenRouter with an August 31, 2024 knowledge cutoff.

April 8, 2026
model release

Meta launches proprietary Muse Spark model, abandoning open-source commitment

Meta has released Muse Spark, a proprietary AI model with restricted access via API and portal invite only—a striking reversal from CEO Mark Zuckerberg's 2024 manifesto championing open-source AI. The model claims performance matching top competitors from OpenAI, Anthropic, and Google, trained with an order of magnitude less compute than Llama 4.

model release

Meta releases Muse Spark, first closed-source model from Meta Superintelligence Labs

Meta has released Muse Spark, the first model from Meta Superintelligence Labs, a unit assembled under chief AI officer Alexandr Wang following Meta's $14.3 billion investment in Scale AI. The natively multimodal model features a "Contemplating" reasoning mode with parallel sub-agents and marks Meta's break from its open-source Llama heritage by operating as closed source.