Meta Open Source Model Releases
On 10 August, singularity reported that Meta had released a new open-source model optimised for on-device use. LocalLLaMA identified the model as Muse Glimmer and said Muse Spark 1.2 would follow soon. ArtificialInteligence described Muse Spark as a “super intelligent new model” requiring “10x+ less compute.”
That day, Singularity said Meta would soon release the weights for Muse Spark 1.2, which it described as its latest foundation model. Singularity also reported that Meta had started rolling out a Contemplating mode for Muse Spark. In this mode, 16 agents work on a prompt and synthesise a consolidated answer.
By 16 September, attention had shifted to the promised weights. LocalLLaMA asked Meta where they were. Muse Spark 1.2’s open release remained stuck between announcement and delivery. Promising to open-source a future release is easy. Publishing the files is harder.
Taking this as factual, impact is 0%. Developers interested in running or adapting Muse Spark 1.2 still lack the promised weights, so its practical availability has not changed.
Watch for Meta to publish the Muse Spark 1.2 weights through an official channel. Their appearance would settle the question. Continued silence would leave the August promise hanging.
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1umdzm9/meta_might_release_a_new_update_for_their/"> <img alt="Meta might release a new update for their
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1x6se5a/meta_has_released_muse_spark_open_the_most/"> <img alt="META has released Muse Spark Open, the most
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1sj7wbg/meta_started_rolling_out_contemplating_mode_for/"> <img alt="Meta started rolling out Contemplating
<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1sskmhv/recent_open_models_from_last_6_months_nov_2025/"> <img alt="Recent Open models from last 6 Months -
<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1v7smm5/meta_has_confirmed_that_it_will_release_an_open/"> <img alt="Meta has confirmed that it will release
<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1st8l2u/kimi_k26_takes_1st_overall_of_open_weights_models/"> <img alt="Kimi K2.6 takes 1st overall of open
<!-- SC_OFF --><div class="md"><p>Another signal that the AI race is no longer about models — it’s about control.</p> <p>Muse Spark from Meta Platforms, Inc. marks a turning point
<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1s0mo33/m27_open_weights_coming_in_2_weeks/"> <img alt="M2.7 open weights coming in ~2 weeks"
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