AI / LLM Cost Monitoring

Unified AI and LLM spend visibility. Before the invoice, not after.

StackSpend tracks AI costs across OpenAI, Anthropic, Cursor, Hugging Face, and Grok in one dashboard. Token-based pricing is unpredictable — a product launch, a model change, or a prompt bug can double spend in a day. Get daily spend alerts, model-level breakdown, anomaly detection, and forecast before the billing cycle closes.

Read-only access·14-day free trial·No credit card required·Setup in under 5 minutes
The challenge

Why this spend is hard to control

01

AI bills scale with usage. OpenAI, Anthropic, Cursor—each has its own pricing model and dashboard. Token costs are hard to predict. By the time the invoice arrives, the damage is done.

02

Fragmented visibility. You know OpenAI spend. You know Anthropic spend. You might not know Cursor spend. You definitely don't know the total until you add up multiple dashboards.

03

No early warning. API costs can spike in a day—a bug, a launch, or a traffic surge. Without daily monitoring, you find out when the bill arrives.

The product

What StackSpend shows

  • StackSpend connects to OpenAI, Anthropic, Cursor, Hugging Face, and Grok via their billing APIs. One view shows total AI spend and breakdown by provider and model.

  • Daily spend alerts in Slack or email. Anomaly detection catches spikes the day they happen — with webhooks to push anomaly.created to your systems. Pace-to-forecast tells you where the month will end.

  • Model-level visibility. See GPT-4 vs GPT-3.5, Claude vs Cursor. Understand what's driving cost.

  • For teams searching for AI cost observability, the goal is simple: know which provider, model, feature, or workflow moved spend before the invoice arrives.

What we track

OpenAI (Org ID + API key)Anthropic (API key)Cursor (Admin API)Hugging Face (Endpoints, Spaces, Jobs)Grok (xAI Management API)Model-level breakdownDaily spend and forecasts
Failure modes

Common cost triggers

Real scenarios that cause spend to spike — often silently.

A new feature ships using GPT-4 when GPT-4o-mini would handle the task at a fraction of the cost

A prompt change increases average token count by 40% and nobody notices until the invoice

Usage scales 5× during a product launch but no one is watching the AI billing dashboard

Embeddings are generated on every search query instead of cached, driving hidden volume

Native tools vs StackSpend

OpenAI usage page, Anthropic console, Cursor admin, per-provider dashboards

Native tools are built for investigation. StackSpend is built for prevention.

OpenAI usage page, Anthropic console, Cursor admin, per-provider dashboards

  • Each provider has its own dashboard — there is no unified total
  • Billing is monthly — no daily signal, no early warning
  • No cross-provider anomaly detection or forecasting
  • Model-level costs are visible per provider but never aggregated

StackSpend

  • All AI providers in one dashboard with a combined total
  • Daily spend signal across every connected provider
  • Anomaly detection catches spikes across OpenAI, Anthropic, Cursor, and Grok together
  • Model-level breakdown visible across providers in one view
ICP

Who this is for

Product and engineering teams running multiple AI providers who need one view instead of logging into OpenAI, Anthropic, and Cursor separately.

Teams building AI-powered features who need to track model cost as the product scales — before token spend becomes a COGS problem.

Finance and CTOs who need a daily signal on AI spend and a forecast before the billing cycle closes.

From day one

What you get when you connect

Setup time

Most teams can connect and validate setup in about 5-10 minutes.

Access model

Read-only credentials only. StackSpend does not modify provider resources or billing settings.

Signals

Daily Slack or email updates, anomaly alerts, and budget tracking in one workflow.

History and forecast

Historical spend context plus pace-to-forecast so overruns are visible before month-end.

Questions

Frequently asked

What AI providers does StackSpend connect to?
StackSpend connects to OpenAI (Organization ID + API key), Anthropic (API key), Cursor (Admin API — Enterprise plan required), Hugging Face (organization billing token), and Grok (xAI Management API + Team ID). All providers appear in one dashboard with a combined total.
How is this different from the OpenAI or Anthropic native usage dashboards?
Native dashboards show one provider at a time and update monthly. StackSpend delivers a daily spend signal across all connected AI providers, fires anomaly detection alerts the day a spike starts, and gives you a combined total plus model-level breakdown across providers.
Can I track AI costs by model?
Yes. StackSpend shows cost broken down by provider and model — GPT-4 vs 4o-mini, Claude Haiku vs Opus, and so on. This makes it easier to see which workload is driving spend and whether the model choice is appropriate for the use case.
How long does AI cost monitoring setup take?
Most providers connect in under 5 minutes with read-only credentials. StackSpend never modifies provider settings or account configurations. 90 days of history is backfilled automatically on connect (Cursor is limited to approximately 7 days due to API retention).
How do I monitor API usage and costs across providers?
Connect each AI provider with read-only credentials in the StackSpend dashboard. You immediately get daily spend visibility, model-level breakdown, anomaly alerts, and forecasting across all connected providers in one place instead of checking each portal separately.

Start seeing your full stack spend.

Connect ai / llm cost monitoring in under 5 minutes. 90 days of history loaded automatically. Daily signals from day one.

14-day free trial · No credit card required · Read-only access