Curated with by@mohithkumar808

№ 0101Resource★ Pick

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.

He also notes that Muse Code defaults to the muse-spark-1.3-contributor model, which lets Meta use code for product improvement, and that the documented 'ultra' reasoning level silently falls back to xhigh. Uncached input fell 19–22%, short of Meta's 25% claim.

Also filed under Benchmarks & research

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  1. 0599

    Spark 1.3 tops Website Arena★

    BREAKING: Muse Spark 1.3 (xhigh) takes 1st overall on Website Arena with an Elo of 1362! This is a jump of 5 positions from Muse Spark 1.2, establishing a new Pareto frontier for Speed and Price. Only a month after the release of Muse Spark 1.2, @AIatMeta has topped this

    @DesignArena

    X post

    Benchmarks & research

  2. 0598

    Spark 1.3 moves the cost Pareto frontier★

    Last week the Intelligence Index vs Cost Pareto frontier moved out substantially. Claude Fable 5.1, Muse Spark 1.3, and GPT-6 Astra each set a new point in efficient intelligence Link to analysis: artificialanalysis.ai/#intelligence-…

    @ArtificialAnlys

    X post

    Benchmarks & research

  3. 0590

    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

  4. 0541

    Spark 1.3 in Code Arena: WebDev top 10★

    Muse Spark 1.3 (xHigh) just landed @AIatMeta back in the top 10 models for Code Arena: WebDev! This release is ~#10 in Code Arena: WebDev with 1623 pts (AutoEval). It’s performance is par with Claude Fable 5 at #8 (1628 pts) and GPT-5.6 Sol at #11 (1616 pts). Muse Spark 1.3

    @arena

    X post

    Benchmarks & research

More Resources

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  1. 1064

    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

  2. 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

  3. 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

  4. 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

  1. 1057

    Muse Mail: your agent gets an email address★

    MUSE FEATURE ALERT: y'all have been asking for this one. your @muse is getting its own email address. add it to a thread or forward it stuff and it’ll handle it for you. muse mail!

    @alexandr_wang

    X post

    Agents & automation

  2. 1054

    Kevin Roose gives his Muse $100 and a Kalshi account★

    gave my Muse $100 and a kalshi account, let's see how frontier this thing is

    @kevinroose

    X post

    Agents & automation

  3. 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

  4. 1042

    GitHub connector for Muse★

    GitHub 🤝 @Muse A new way to connect your GitHub account to review PRs, catch up on issues and notifications, and leave comments without switching tabs.

    @github

    X post

    Connectors & MCP

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