№ 0234Resource
Simon Willison on the first Muse Spark and meta.ai tools
Simon Willison's notes on Muse Spark, Meta's first model since Llama 4: hosted, not open weights, with a private API and interesting tools in meta.ai chat.
Also filed under Benchmarks & research
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Meta's OpenCode token share hits 45%★
$META just went from 3.5% to 45.4% token share on OpenCode in just over two weeks Muse Spark 1.3 being good + free is enough to become the default for most users Default gets you usage → usage gets you data → data makes the next model better Anthropic and OpenAI can’t afford
@thetomcollins
X post
Benchmarks & research
- 0107
How Meta built safety into Muse★
Meta's engineering write-up on Muse security: isolated VMs, a separate Sentinel permission authority, credential surrogation and layered prompt-injection defenses, with bug bounties up to $300,000.
research.meta.ai
Resource
Benchmarks & research
- 0101
Muse Spark 1.3 tutorial: testing Meta's efficiency claims★
DataCamp's Josep Ferrer ran Muse Spark 1.3 on three real coding tasks. Two used 23–32% fewer completion tokens, but a refactor used 70% more, for a net 12% cost increase.
datacamp.com
Resource
Benchmarks & research
- 1067
Muse Voice Transcribe tested on clinical diarization
Compared diarization models on 15 mock doctor-patient consultations (~2.4 h): Meta Muse Voice Transcribe scored 13.04% DER at ~92 s per request via API, behind Pyannote (2.89%) and Nemotron 3 (4.80%).
u/MajesticAd2862
Reddit post
Benchmarks & research
More Resources
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Muse and the new fight for brand discovery
DesignRush argued Muse inserts itself into product discovery and ranks on structured data like specs and reviews rather than ad spend, and told brands to map the agent shopping journey, measure agent referrals separately, and audit who can access their product data.
news.designrush.com
Resource
Business & commerce
- 1060
Shopify opens to Muse while Amazon balks
Practical Ecommerce's Armando Roggio compared Shopify welcoming Muse as an agentic commerce channel with Amazon blocking it, and what that split means for merchants and the customer relationship.
practicalecommerce.com
Resource
Business & commerce
- 1056
Muse Glimmer voice agent ExecuTorch runtime
A prebuilt macOS arm64 bundle for the Muse Glimmer voice-agent recipe in meta-oss-cookbook: Parakeet speech helper, Muse Glimmer worker and Supertonic TTS executables built from one pinned ExecuTorch checkout, plus the shared MLX Metal library.
huggingface.co
Resource
Local & open models
- 1051
A COO wires Muse into her work stack
Taylor Arndt retried Muse after Meta Connect with Gmail, Google Calendar, GitHub and her own product-management tool connected, and found it inferred her COO role from calendar data and became useful for ongoing task management.
taylorarndt.substack.com
Resource
Business & commerce
Curator picks
- 1046
Medical bills audited line by line, $4,000 saved★
Got Muse logged in to my medical provider’s portal, he pulled the itemized bills, and questioned every line. So far he’s found several times I’d been double billed, asked for some discounts and has saved me over $4,000. If your moat is bureaucracy, you’re cooked.
@Ryan_Holdaway
X post
Errands & personal agent
- 1013
Shop Pay agentic checkout on every Shopify store★
We are excited to announce we are partnering deeply with Muse to enable agentic checkout with Shop Pay on all Shopify stores, offering people an easy and delightful way to shop and check out with Muse.
@tobi
X post
Business & commerce
- 1009
Private e-book library app from Google Drive★
Muse built me a private library for the e-books and articles in my Google Drive. Everything is organized by topic, and each section opens onto its own subcategorized shelves. Each book opens like a real book and is readable in-app
@chiasmus_cap
X post
Apps & websites
- 1007
Plumbing company run by a Muse agent★
I still can’t believe I can run my plumbing company with an agent so easily. I send this message to my Muse agent while in bed at 6am. And it: updates my job board, texts customer, updates office manager who arrives at 8am in slack Notifies technician
@HouseHackerJon
X post
Agents & automation
ChatForm
Tgmlabs