Pricing

Free for one system. From €290 a month after that.

Priced per managed AI system, not per seat. One-off packs and the first three subscription tiers are bought by card and delivered by the product; the full platform — internal-audit and independent-audit workflows, SSO, EU data residency with your own keys — is scoped in a conversation. No plan sells a compliance score.

Prices in EUR, excluding VAT, as published on 15 September 2026.

Free — start with one system

No trial period and no card. The value shows in the second audit cycle, not the first week.

Explore

1 AI system

Free
one system, no time limit
  • Deterministic risk classification with its reasoning — Annex III and Article 5 check
  • Article 50 transparency detection: which paragraph applies, who owes it
  • Role × article obligation map for the system

Not included: No code scan, no pipeline, no documents, no export. A second system moves you to Single System or Starter. No compliance score — we do not sell scores.

Compliance Kit — Free

unlimited, offline

Free
for developers, offline
  • M2 guard and M3 classify modules run locally in your CI
  • Full audit chain on every run — the chain is not what we gate

Not included: No Annex IV export, no evidence generator (M1, M4), no gate. Those are in Kit Team.

One-off packs — one system, one output, no subscription

Paid by card, delivered by the product. Support is not sold with these; if you have questions, Starter is the plan that answers them.

Article 50 Transparency Pack

1 AI system

€290 · one-time
one-time, per system
  • Article 50(1)–(4) position record — applies / owed / not triggered — with the recorder's name
  • Notice texts for users and affected persons
  • Synthetic-content marking plan: C2PA plus invisible watermark, format coverage
  • Evidence index: which document answers which paragraph

Not included: No legal opinion, no Annex IV, nothing beyond the Article 50 position. Article 50 has applied since 2 August 2026; this is the pack generative-AI products ask for first.

Single System File

1 AI system

€490 · one-time
one-time, re-runs for 90 days
  • Repository scan (Python, TypeScript/JavaScript, SQL) and the three-agent assessment pipeline
  • Risk classification report, gap analysis, executive summary, traceability matrix
  • Annex IV technical file draft (HTML/PDF) and mitigation plan
  • Risk register as xlsx — register, heat map, change history — with its SHA-256 written to the ledger

Not included: No support, no continuous monitoring, no second system. Read-only after 90 days; your exports remain yours.

Platform subscriptions — priced per managed AI system

The meter is the number of AI systems under management, not the number of people who log in. A portfolio is never cheaper per system than a single system.

Single System

1 AI system, 1 seat

€290/month
per month · 1 system · 1 seat
  • Everything in the Single System File, with unlimited re-runs
  • Re-assessment alert when the model or prompt changes
  • Risk register and Article 14 human-oversight records — the ones your organisation writes
  • Regulatory change alerts and Article 50 tracking

Not included: No extra seats, no email support (starts in Starter), no internal-audit module. Adding a second system offers Starter automatically; the current month is credited.

Starter

3 AI systems, 3 seats

€890/month
per month · 3 systems · 3 seats · or €9,600 per year
  • All outputs of the platform for every managed system
  • xlsx exports of registers and matrices
  • Email support, two business days

Not included: The portfolio entry point. Internal-audit and independent-audit workflows are Enterprise.

Growth

15 AI systems

€2,900/month
per month · 15 systems · or €30,000 per year
  • Repository and CI evidence engine across the portfolio
  • ISO/IEC 42001 ↔ NIST AI RMF ↔ EU AI Act cross-mapped reporting
  • Onboarding included; card or invoice

Not included: Seats are not the meter. Independent-audit workflows, SSO and residency options are Enterprise.

Enterprise

portfolio; unlimited seats

On request
annual contract, priced on scope
  • Internal-audit and independent-audit workflows on the same evidence base
  • SSO/SAML, EU data residency with customer-managed keys, DPA
  • Audit-trail export, SLA, support through an accredited-body audit

Not included: The full platform is sold on a scoping conversation, not a card — the audit workflows depend on how your organisation is structured.

Compliance Kit — evidence generated in CI, priced per developer

A different product for a different buyer. Kit output is accepted by the platform as documented evidence; there is no credit between the two.

Compliance Kit — Team

developer seats

€79/month
per developer per month · minimum 5 seats · annual: two months free
  • Evidence generator running in CI: modules M1–M4 plus the release gate
  • Annex IV export from the pipeline's own record
  • Full audit chain on every run

Compliance Kit — Enterprise

organisation

On request
priced on scope
  • Air-gapped package and SBOM
  • Security questionnaire support and DPA
  • 30-day SLA on regulation-version updates

Academy and auditors — priced per person, per engagement

Article 4 AI literacy has been owed by every provider and deployer since 2 February 2025.

Academy — Article 4 AI literacy

participants

€350 · per person
per person
  • Role-appropriate AI literacy programme delivered by practitioners
  • Attendance record per participant — the evidence Article 4 actually asks for

Not included: Tailored executive and technical tracks are scoped separately on the Academy page.

Auditor — engagement pack

audit engagements

€350 · per engagement
per engagement · blocks of 10
  • ISAE 3000 assurance workflow for AI systems, with no annual commitment
  • Evidence ledger and working papers per engagement

Not included: For audit firms and internal-audit functions. Practice and Firm licences are a separate list.

Pricing, asked plainly

How much does Atheros AI cost?

Explore is free for one AI system with no time limit. One-off packs are €290 (Article 50 Transparency Pack) and €490 (Single System File). Platform subscriptions start at €290 per month for one system, €890 per month for three systems and €2,900 per month for fifteen; Enterprise, which adds internal-audit and independent-audit workflows, SSO and EU data residency with customer-managed keys, is priced on scope. Compliance Kit for developers is €79 per developer per month. Prices are in EUR excluding VAT, as published on 15 September 2026.

What is the pricing meter — seats or AI systems?

AI systems under management. Single System covers one, Starter three, Growth fifteen, and Enterprise a whole portfolio with unlimited seats. Seats are bundled rather than sold, because the cost of running compliance is driven by how many systems must be re-assessed on every change, not by how many people read the result. Compliance Kit is the exception: it is a developer tool and is priced per developer.

Is there a free plan or a free trial?

There is a free plan rather than a trial. Explore classifies one AI system deterministically — Annex III and Article 5 check with its reasoning, Article 50 detection and an obligation map — for as long as you want, with no card. It produces no documents and no score; the second system moves you to a paid plan. Compliance Kit Free runs the guard and classify modules offline for developers.

Does Atheros AI give a compliance score?

No, on any plan. A percentage or a badge implies an assurance conclusion that only an audit can reach, and the evidence ladder we use — declared, documented, verified — does not reduce to a number. What the platform gives instead is the classification with its reasoning, the gap analysis, the technical file and a risk register whose hash is written to a ledger, so an auditor can check what was true and when.

What happens if I buy a one-off pack and later subscribe?

The pack is credited against your first subscription invoice if you move within 90 days, and the file and exports carry over. Single System moves to Starter automatically when a second system is added, with the current month credited. Downgrades are not offered: a Starter customer moving to Single System would have to delete two systems, and the product does that rather than a sales conversation.

Where does the data live?

ComplianceEngine runs on EU-hosted infrastructure or inside your own cloud or on-premise environment; customer data does not leave the EU unless you deploy it elsewhere yourself. Enterprise adds customer-managed encryption keys and a data processing agreement; Compliance Kit Enterprise ships as an air-gapped package for environments with no outbound connection.

Not sure which tier your systems fall into?

Start with Explore and classify one system for free, or book a 30-minute classification call and leave with a written memo of the tiers and the reasoning.