Your life stays in your house
When the brain runs on your own Mac, your inbox, calendar and documents stay in the room unless you choose to send a task out. That's the whole point of a local model, and only ownership delivers it by design.
Own your agent. Don't rent one.
An agent that works for you around the clock needs a home. Rent one, and it lives in someone else's data center, on someone else's limits. Own one, and it lives on a small Mac in your room, reading your inbox, minding your calendar and working while you sleep, for about the cost of a light bulb.
The cloud still winsThe very newest models, by about four months
Ownership winsPrivate jobs, repeat jobs, and everything that runs all night
Six things a subscription can't sell you at any price
No "come back later"
Rented plans ration you: a 5-hour window, a weekly allowance, a polite message to try again tomorrow. An agent you own just runs, all day and every day, as much as you need.
It costs pennies to keep awake
Apple rates the new Mac mini at 4 watts idle and 70 watts flat out. At the average US rate, that's about 53 cents a month idling and about $9 if it worked flat out every hour of the month. Try your own numbers below.
It works while you sleep
The jobs that matter most to an agent are the boring, repeating ones: triage, reminders, summaries, follow-ups. They happen on a schedule, and an always-on box at home is the natural place to run them.
It knows when to call for help
When a job is too hard for the local brain, BrainBridge hands that one task to a paid cloud model, on your account and only if you allow it. You pay for the hard moments, not for the whole day.
Nobody can change the deal
A rented agent lives under terms that can change overnight: new prices, new limits, a feature removed. The agent you own keeps working the way you set it up, on the model you chose, for as long as you want it.
A night in the life
What an owned agent does between midnight and breakfast
- 00:30Files the day's receipts and notes into memory
- 02:00Re-reads open threads and drafts follow-ups
- 05:00Checks tomorrow's calendar for clashes and travel time
- 06:45Hands you a one-page morning brief
Example schedule. Your agent runs the jobs you choose, when you choose.
The open-weight wave
Near-frontier brains you can download and keep
The biggest reason to own your agent arrived this year. Open-weight models from DeepSeek, Z.ai and now Meta publish their weights for anyone to download. They come close to the best rented models, cost a fraction to run, and once the files are on your machine, nobody can take them back.
~4months
How far the best open-weight models trail the closed frontier, on average since January 2026, per Epoch AI. What the most expensive subscription offers today, an open model you can own tends to match within a season.
DeepSeek V4
- Size
- 284B total, about 13B active
- License
- MIT: use, modify, self-host
- Coding
- 80.6% SWE-bench Verified (V4 Pro)
- Rented price
- $0.15 in / $0.60 out off peak; $0.30 in / $1.20 out peak per million tokens (V4.1 Flash API)
Small enough per token to be fast, and cheap enough that an agent can think all day for pocket change.
GLM-5.2
- Size
- 753B total, about 40B active
- License
- MIT, weights on Hugging Face
- Context
- 1M tokens
- Standing
- Top open model on the Artificial Analysis index (June 2026)
A long-memory workhorse for coding and multi-step agent work.
Muse Spark Open
- Size
- 816B total, 42B active
- License
- Muse Model License (attribution, usage policy)
- Context
- 1M tokens; reads text, images, video, audio
- Runs on
- Two Mac Studios: our Sovereign offering
Meta calls it the most capable US open-weight model to date, and optimized it with Apple's MLX for Mac Studio.
Weights don't get retired
Rented models disappear on the provider's schedule; DeepSeek retired its old API model names in July 2026. A model file on your own drive keeps working.
Switch brains anytime
When a better open model ships, swap it in. Your agent, memory and settings stay put.
Prices only fall
Anyone can host open weights, so they compete on price. DeepSeek's current Flash API prices vary by time of day, and open weights let you choose a host or self-host.
Global models, local data
Run a model built anywhere, in your own room. When it runs locally, your prompts never travel to its maker.
Running cost
What it costs to keep your agent awake
Pick a machine, set your electricity rate, and say how many hours a day it works hard. The rest of the time it idles.
$0.00 a month
Energy: 0 kWh a month
A full year: $0
Electricity only. Hardware is a one-time purchase; cloud tasks you choose to send are billed by your provider.
Side by side
Renting vs. owning, honestly
| Own (DeepSenz on your Mac) | Rent (cloud subscription) | |
|---|---|---|
| Where your data goes | Stays on your machine wins | Sent to the provider's servers |
| Usage limits | None. Runs all day wins | 5-hour windows, weekly caps |
| Monthly running cost | Electricity: cents to a few dollars wins | $20 to $200 a month per seat |
| Hardest reasoning | Near-frontier open models, about 4 months behind; cloud hand-off for the rest | The newest frontier models wins |
| Model choice | Any open model, swapped anytime, never retired wins | The provider's lineup, retired on its schedule |
| Who sets the rules | You wins | The provider's terms, which can change |
Before you buy anything, read your own usage
- Spend one week watching your cloud usage. If you never hit the limit, drop to a cheaper plan today. Same models, more money back.
- Keep a cloud plan for the genuinely hard work. A small local brain won't beat the biggest models there, and it doesn't need to.
- Give everything private, repetitive or scheduled to the agent you own.
Memory decides which brain fits
16 GBSmall models onlyFine for simple, clean jobs.
32 GBThe floor for an agentWhere the bigger, smarter local models start to fit.
64 GB+Faster and roomierMore memory bandwidth, quicker answers, bigger models.
256–512 GBNear-frontier on one Mac StudioBig open models like DeepSeek V4 at 4-bit (our estimate; benchmarked before we sell it).
1 TBDeepSenz SovereignTwo Mac Studios running Muse Spark Open, installed in your home.
Give your agent a home of its own.
DeepSenz sets up your Personal Agent on your own Mac: Hermes and BrainBridge on your Mac, with optional memory modules as they become ready. Deep Recall is a separate, planned life-memory vault.