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Posted by bigwheels 6 hours ago

Muse Spark Open(research.meta.ai)
https://dev.meta.ai/resources/blog/build-with-muse-spark-ope...

https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B

https://9to5mac.com/2026/10/15/meta-launches-new-muse-spark-...

551 points | 307 commentspage 4
felineflock 4 hours ago|
UD-IQ1_S is 180Gb. UD-Q4_K_XL is 510Gb. Still beyond the average prosumer.
tintor 5 hours ago||
This is not an open model. License is not open license, and only weights are provided.
krawat3 5 hours ago||
What kind of hardware does one need to run this model? Like a small datacenter node?
AuthAuth 5 hours ago||
Nice a Mastodon shoutout.
karahime 5 hours ago||
Glad that Meta is back on the open weights train in force.
PunchTornado 5 hours ago|
How is this open weights? Open weights means anyone can use the weights. The license forbids certain categories.
sorenjan 5 hours ago||
Who would have thought that one of the top American tech companies would boast about how their latest product is the best in class in the US, not the world, because they're behind China.
versooth 31 seconds ago|
It did feel very odd to read that.
eknkc 5 hours ago||
Feels dumber than GLM 5.3 (only open model I use extensively). But is really fast (fireworks.ai).

Only checked a single, large prompt that already ran today on claude and glm though..

redox99 4 hours ago||
It performs worse than Muse Spark 1.3 and 1.2. And it has an outdated attention mechanism which at 1M tokens will need over 200GB just for the KV cache.

Very disappointing release. We're lucky to have Chinese models.

xnx 5 hours ago||
Why is Gemma not in the comparison table?
seizethecheese 5 hours ago|
Probably too small, the comparisons are all larger models.
sourcecodeplz 5 hours ago|
from what i understand its somewhere between muse spark 1.3 and 1.2 in some coding benches.
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