“Nearly choked on my coffee. $500.”
r/SaaS · unexpected_invoice
TokenLens does
A running month-to-date total and a month-end projection, refreshed every day — so the number is never a surprise on the invoice.
AI spend & uptime monitor
Stop opening your AI bill and choking on your coffee.
Paste your OpenAI or Anthropic key and see exactly where every dollar goes — synced daily from the source, set up in five minutes, zero SDK to install.
Set up in 5 minutesNo code, no SDKRead-only keys
app.tokenlens.io/overviewSAMPLE
Spend · March
$0.00 +18% vs February
Mar 1Mar 14
By model
gpt-4o$1,204.88
claude-sonnet-4$911.40
gpt-4o-mini$498.22
text-embedding-3$299.56
The moment
This is what a runaway agent loop looks like in real time.
Unmonitored spend · 72 hours
$0.00
One mis-configured retry turned a $40/day workload into this. It ran all weekend. Nobody was watching.
Sound familiar?
You shipped the AI feature. Then the bill shipped you.
“I had NO idea what happened.”
r/OpenAI · token_mystery
TokenLens does
Per-model attribution, straight from your provider's own usage records. See exactly which model is burning the money.
“Burned through tokens in 5 days.”
r/LLMDevs · gone_in_5_days
TokenLens does
Budget alerts at 50 / 75 / 90 / 100% — you hear about the burn while it's happening, not when the invoice lands.
Set up in the time it takes your coffee to cool.
No instrumentation. No wrapping your SDK calls. Three steps, read-only.
1Connect
sk-proj-
Paste your API key
OpenAI or Anthropic. Read-only access — TokenLens can see usage, never touch your data or send a single request on your behalf.
2Watch
See where the money goes
One dashboard, every model, in dollars. Synced daily from your provider's own usage records — the same numbers your invoice is built from.
3Relax
Get alerted before it hurts
Set a monthly budget with thresholds. The moment a sync crosses one, the email is already in your inbox — no dashboard babysitting.
For Helicone refugees
Coming from Helicone? Nothing to import.
Helicone went into maintenance mode after the acquisition. TokenLens reads usage straight from OpenAI and Anthropic — no export files, no proxy to unwire. Paste the same read-only key and your dashboard fills itself.
Switch in five minutesPricing
Costs less than the spike it catches.
Every plan is read-only, sets up in five minutes, and cancels anytime.
Solo
One project, one founder, full visibility.
$19/mo
Start with Solo1 connected key
Daily spend dashboard
Email budget alerts
30-day history
Pro
For founders running real AI features in production.
$49/mo
Start with Pro5 connected keys
Per-model attribution
Budget & threshold alerts
Slack + webhooks (roadmap)
1-year history
Team
Shared visibility for the whole company.
$99/mo
Start with TeamUnlimited keys
Seats & roles
Budgets per project
SSO & audit log
Unlimited history
Get on the waitlist