Cerebras · Fast Inference
Up to 3,000 tokens/sec · Streaming · Private Works in 0.1.5
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gpt-oss-120b
higherMark AI
Cerebras fast inference · up to 3,000 tokens/sec
Private Cloud Compute · All models · One place
Private Cloud Compute · All models · One place
0 tokens
·
0 sats
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Wallet: — sats
Cerebras
This is the pooled company key. Prefer
.env → CEREBRAS_API_KEY for all users. This field is this-device BYOK. See config/COMPANY_CEREBRAS_KEY.example.
Apple Private Cloud Compute
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Detects your Mac model and macOS version…
What is PCC?
Apple's Private Cloud Compute runs AI on Apple's own attested servers — cryptographically verifiable, never logged, never visible to Apple or higherMark. Prompts are end-to-end encrypted between your device and the server enclave. Requires macOS 26 Tahoe + Apple Silicon.
Requirements
macOS 26 Tahoe (currently in beta) · Apple Silicon M1 or later · higherMark Swift helper compiled. Toggle is greyed out if any requirement is missing — Cerebras is used as fallback.
Your Mac · Status
Checking your device…
Speed comparison
—
🍎 Checking macOS version…
Why Cerebras is different
Custom CS-3 wafer-scale silicon — not cloud GPU clusters
Cerebras · GPT OSS 120B
3,000 tok/s
Cerebras · Llama 3.3 70B
2,200 tok/s
Apple PCC (est. M4)
~300 tok/s
Gemini 1.5 Flash
~120 tok/s
GPT-4o
~80 tok/s
Claude Sonnet
~90 tok/s
Entire paragraphs appear in under a second. Cerebras uses a single wafer-scale chip — your request never waits in a GPU queue. Top up any amount and experience it.
LLM Council
Ask GPT-4o, Claude Sonnet, and Gemini simultaneously — compare answers side by side, toggle which models respond
via OpenRouter
GPT-4o
OpenAI
GPT-4o will respond here
Claude
Anthropic
Claude will respond here
Gemini
Google
Gemini will respond here
💡 Credits are shared across all three — responses billed per token. Toggle off any model to skip it. OpenRouter key required (set in Profile → Developer).
Portfolio Balance
—
USDB
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Sandbox · test
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Quick actions
Recent Transactions
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🌐
Grid Global Fiat Ramp · Alpha Demo
This is an alpha demo of the Lightspark Grid fiat ramp. More features will be added soon. For top-up features, you can visit Cash App or any Bitcoin exchange.
powered by phoenixd
hm-wallet
Live in the Mac app · demo in the browser · v0.2.5
In the desktop app, phoenixd runs on this Mac — your seed, your node. This website is demo only. Click to open the wallet, or pop it out as its own rectangle.
Several other wallets in this app (Bark, Grid, Ark) run in demo mode. Keep Advanced Mode off in Profile for the simple path — hm-wallet (phoenixd) stays live and featured. Toggle Advanced on only if you want to unblur those extras.
Bitcoin Balance · Bark
—
sats
spendable: —
pending: —
Signet · test
🐶 Initializing Bark wallet…
Add money to Lightning
Fund this device wallet, then spend sats on Cerebras inference from the AI tab. 100 sats ≈ 10 credits. Keys never leave this Mac.
Top Up with Lightning
Beta
Scan with Cash App
Send Bitcoin from your Cash App balance to your Lightning address here. Your sats arrive self-custodially in your Bark wallet.
Lightning address = your Ark address. Any Lightning wallet works: Cash App, Strike, Muun, Alby, Wallet of Satoshi. 1 sat ≈ $0.001 USD · min 100 sats to top up credits.
Nostr Identity
npub (public key)
—
nsec (private — never share)
•••••••• (click to reveal)
Ark Address
—
Click to copy · Self-custodial via Bark SDK · Lightning send/receive · Ark address (send 0.01 sat = 10 credits minimum)
Coming soon
VTXO management
Advanced virtual UTXO control
Onchain board / offboard
Move bitcoin on and off Ark from the app
Visa card
Spend sats anywhere via Lightspark
POOL LOGIN · NOSTR IDENTITY
Your Pool Account
Account = your npub · No email · No password
Your npub (pool account ID)
—
⚠ If you top up credits, save your nsec — it's your only way to recover your account and credits. Go to Profile → Backup.
NOSTR · AI · POOL
Public Inference Credits
Community-funded · operator-seeded · open access
Active
1.0% cut
Pool balance
$—
Used: $0
0 tokens served
$0
contributed
0
contributors
1.0%
platform cut
Your Credits
Free credits (first launch gift)
1000 / 1000
~$1.00 remaining · 1,000 credits = $1 of AI inference
Use pool credits
Draw from the shared community pool instead of your own credits
🎁 Using your 1,000 free credits
Top Up Credits
Why Cerebras
~27× faster
Cerebras · GPT OSS 120B
3,000 tok/s
GPT-4o
~80 tok/s
Claude Sonnet
~90 tok/s
Contribute to Pool
Add USDB to the shared pool. Platform cut: 1.0%. The rest is shared immediately with all users.
Profile · first control
Advanced Mode
v0.2.5 · Lightning
Off (default) = hm-wallet (phoenixd) is the live path. Colors and this toggle stay clickable.
Off is the default. Lightning (phoenixd), this Profile page, and the color controls stay fully clickable. Extra panels stay blurred until you turn Advanced Mode on.
Advanced Mode is on. Unblurred extras are now clickable but may not work until a later version. Sweep Lightning funds off this wallet before you download an update — this is not a hardware vault.
Whenever you install a new version, sweep funds first. Keys stay on this Mac.
Works now hm-wallet · phoenixd Lightning (mainnet) · this Profile page · color controls
Blurred until Advanced Mode AI / Cerebras · Bark · Grid · Ark · LLM Council · Apple PCC · Pool · Ramp · Stripe · Clerk email
Color
Burgundy (default, Apple Deep Burgundy #4D1821) · Light · Dark. Same as the top-right toggles.
STEP 1 · YOUR IDENTITY
Identity active
npub · public key (share freely)
—
nsec · private key (never share)
•••••••• · click to reveal for 10s
CREDITS & MEMBERSHIP
No need to subscribe to multiple AI services. Top up as little or as much as you want. $1 = 1,000 credits.
higherMark CLI · v0.1.1
Cerebras 3,000 tok/s from any terminal, Cursor IDE, or CI pipeline
Live
What is the higherMark CLI?
The CLI lets you use Cerebras 3,000 tok/s inference directly from your terminal, Cursor, VS Code, or any CI script — authenticated via the same npub identity you created in the app. No extra accounts, no API key management. Your credits flow from the same wallet.
It will be a drop-in replacement for claude, openai, and llm CLI tools — same interface, orders-of-magnitude faster.
# one-line install · no Node.js required
curl -fsSL https://highermark.xyz/install.sh | bash
# start chatting immediately
highermark
highermark grok "explain this error"
# pipe support
cat error.log | highermark "what's wrong here?"
3,000 tok/s in your terminal — Cerebras inference, same speed as the app
Auth via npub — no separate API key; uses your higherMark credits
Pipe-friendly — works with stdin/stdout for shell scripts, Make, CI
Agent mode — multi-step tasks, file reads, parallel queries from one command
PCC flag —
--pcc routes to Private Cloud Compute on supported Macs, 0 creditsCouncil from terminal —
hm council "your prompt" queries all 3 LLMs, shows diff
v0.1.1 · macOS arm64 · full docs →
✓ live
STEP 2 · FEATURE ACCESS
Each tier unlocks as you set things up.
Active now
AI + Identity
Works the moment your npub is generated
Private Cloud Compute (macOS 26+ · Apple Silicon)
Cerebras fast inference · up to 3,000 tok/s
LLM Council · GPT-4o + Claude + Gemini simultaneously
Nostr identity · npub / nsec
Top up to unlock
Lightning Wallet
Send sats to your Ark address to activate
Bark self-custody wallet · keys never leave this device
Pay-as-you-go AI · metered per 1K tokens in sats
Send / receive Lightning payments
Email required
Global Fiat Ramp
One-time email OTP · no password
USDB embedded wallet balance
Send ACH · PIX · SEPA · SPEI · UPI globally
Connect your Grid account
Enter the code sent to
Grid account connected
Usage Statistics
0
Total tokens
0
Chats
0
Credits used
0
PCC sessions
Models used
Loading usage data…
macOS Desktop App · Apple Silicon
Download higherMark
v0.2.5 · native Tauri · macOS 14+ · Apple Silicon (M1+) · phoenixd mainnet · from GitHub Releases
File:
higherMark_GridGlobal_0.1.5_aarch64.dmg · open the disk image → drag higherMark to Applications → right-click → Open the first time (Gatekeeper). Source: github.com/jimsbr/prodjuly3rdhM
Company Cerebras API key
Paste the Fourth Sol / higherMark company Cerebras key here. This is the pooled inference account. The same key belongs in .env as CEREBRAS_API_KEY (see config/COMPANY_CEREBRAS_KEY.example) so every user shares the pool.
No key saved on this device yet.
AI difficulty adjustment
Inference cost drops 0.05% for every 10 unique users (npubs). Formula: discount% = floor(users / 10) × 0.05.
Unique users—
Current discount0.00%
Next drop at10 users
Developer
Feedback & Support
We respond within 24 hours. Request new models, new workflows, report bugs, or share what you love.
About higherMark
higherMark 0.1.5
Published by a business registered in the United States of America. Tech industry veterans who are pro-low time preference and treat privacy very seriously.
Privacy First
Keys in OS keychain · no telemetry · no account required · your data stays on your device
Contact & Bug Reports
highermark.xyz — all bug reports, security concerns, and feedback are welcome
Powered by
phoenixd (ACINQ) · hm-wallet · Cerebras · OpenRouter · Bark (demo) · Lightspark Grid (demo) · Nostr
CLI Tool · v0.1.1
higherMark Terminal
Works in Cursor, iTerm2, Warp, macOS Terminal · no Node.js required
# one-line install · standalone binary
curl -fsSL https://highermark.xyz/install.sh | bash
# interactive chat — Cerebras ⚡ 3,000 tok/s
highermark
# switch models
highermark grok / claude / gemini / deepseek
# pipe support
cat error.log | highermark "what's wrong?"
Fastest inference fallback between split terminals
Default to PCC for 0-credit on-device compute
Compatible with Cursor, Windsurf, VS Code agent tasks
Authenticates via your local npub — no API key config needed
In Development
Experimental Features
Everything on this tab is actively being worked on
Arkade Node
Being reworked
🚧 The Arkade wallet integration is in test stage. The Wallet tab runs on Bark SDK (Second). This panel is for connecting your own arkd node.
Connect own arkd instance
Use your own self-hosted Ark node
🌐 Using arkade.computer (hosted)
Bark Wallet · Network
Use Bitcoin mainnet
Off = Signet (test coins) · On = real bitcoin via ark.second.tech
🧪 Signet — get free test coins at signet.2nd.dev