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Every AI action in your company. On the record.
Route AI through Tallin and every human, app, and agent gets an owner, a budget, a policy, an off switch, and an append-only record your board, auditor, or biggest customer can inspect.
Sample Ledger
A representative append-only record. Every action, owner, and dollar, on one line.
Quantified outcomes
- 2 min
- self-serve scan
See likely exposure before you talk to sales.
- $2,500
- paid pilot
60 days, credited against year one if you continue.
- 13 mo
- live ledger
Then archive, with coverage labels intact.
- 4 states
- coverage
Observed, inferred, enforced, or not covered.
Trust band
- SOC 2-ready evidence
- Coverage-aware exports for audit, board, and customer-security requests.
- Compliance posture
- Controls and evidence stay tied to the AI actor, model, cost, and policy result.
- Design partner cohort
- Founder-led onboarding while the product hardens with live enterprise teams.
- Hosted or VPC gateway
- Use hosted Tallin, or keep the request path in your own cloud boundary.
Not a ledger. A control plane.
Entry 01 — The Problem
The bill is the first time most companies see their AI usage.
Claude Code spread to ~5,000 Uber engineers far faster than forecast; the annual budget was exhausted by April. Uber now caps per-tool spend at $1,500 per engineer per month.
A solo research project ran ~100 agents: 603 billion tokens, 7.6 million requests, a team of three. OpenAI covered the bill deliberately, as research. Most companies will not get theirs forgiven.
Discovered only when a human opened the invoice. An illustrative single-engineer report; the failure pattern is structural: silent recursive spend with no kill switch.
Cost is one exposure. Data is the other.
Cost
Invisible until the bill arrives.
Uber is the proof: a sophisticated, AI-forward enterprise with dashboards and a CTO, and the spend still outran the year’s budget before anyone could react. A 200-person company has less visibility and the same usage-based pricing.
Exposure
Data leaves silently.
The founding precedent of this category: Samsung, April 2023. Three source-code leaks into ChatGPT in roughly twenty days, covering semiconductor source, test sequences, and a meeting transcript, followed by a company-wide ban (The Economist Korea, Mar 2023). Today every employee has ten AI tools, and agents act on their own.
Tallin makes both visible: observed, inferred, enforced, or honestly not covered.
Entry 02 — Coverage
Most tools imply total visibility. Tallin stamps every entry with what it can prove.
- OBSERVED
- Recorded directly from provider telemetry, SSO, billing exports, or sanctioned AI tools through provider compliance APIs. Provable, line by line.
- INFERRED
- Deduced from secondary evidence such as expense records and network logs. Reliable, and labeled as indirect.
- ENFORCED
- Actively governed: routed through the Tallin gateway (recorded, capped, and blockable in real time), or held by access restriction, SSO, CASB, or provider admin policy.
- NOT COVERED
- No reliable signal exists. Tallin says so plainly instead of pretending.
Entry 03 — How It Works
Connect sources. Route AI. Enforce policy. Export proof.
Tallin has two evidence paths: gateway control for AI you route through Tallin, and Enterprise AI Supervision for sanctioned AI tools your employees already use. Both land on the same ledger and evidence layer.
Entry 04 — The Ledger Spec
The record, specified.
- Write model
- Append-only. Entries are never edited and never deleted.
- Capture
- Configurable per policy: metadata only, or full content when you need it. Every entry carries actor, model, and cost.
- Retention
- 13 months, then archive.
- Tenancy
- Single-tenant architecture. Your ledger shares infrastructure with no one.
- Coverage
- Every entry stamped: observed, inferred, enforced, or not covered.
Product facts, stated as ours. Not research claims.
Entry 05 — Anchor pricing
Start with the pilot. Size the annual plan from real usage.
Tallin is priced by covered directory users and governed AI actors. The public anchor is the paid pilot; annual plans are quoted after we know what you need to govern.
- Paid pilot
- $2,500 for 60 days. Credited against year one if you continue.
- Growth
- Custom annual plan for teams starting with hosted Tallin.
- Scale
- Custom annual plan for departments, apps, and agents across providers.
- Complete / Enterprise
- Custom plan for VPC gateway, custom retention, security review, or procurement.
No fake seat math. The pilot gives both teams a factual usage baseline before procurement starts.
Request accessEntry 06 — Index
Common questions, on the record.
06.1What does Tallin record?+
06.2What can Tallin actually see?+
06.3Does Tallin sit in the request path?+
06.4Can Tallin cap or block spend?+
06.5How long is the ledger retained?+
06.6Is my data shared across customers?+
06.7How is Tallin priced?+
Join the design partner cohort.
Tell us about your AI actors, provider stack, and the runaway spend or policy gaps you need to close. We will help you decide whether Tallin is a fit for the first cohort.