Pricing¶
Pay only when you put the advanced tier into production, or when you want support behind it.
The wedge
Director-AI is the only guardrail that severs the token stream before a hallucination finishes generating — a seatbelt that deploys before the crash, not an incident report after it. Detection is too late; you pay for prevention.
:material-gift: Free — Apache-2.0 core¶
CHF 0. Forever. Including production and closed-source.
The open core is genuinely free, not a crippled trial:
- :material-check: Coherence guardrail engine + 5-tier scoring (rules → embeddings → NLI)
- :material-check: Token-level streaming halt
- :material-check: SDK guard, FastAPI middleware, REST/gRPC server
- :material-check: Prompt-injection detection, agent/MCP preflight guard
- :material-check: ONNX + Rust-accelerated compute paths
- :material-check: 6 framework integrations (LangChain, LlamaIndex, LangGraph, Haystack, CrewAI, OpenAI)
- :material-check: Self-hosted, air-gapped, no telemetry, no licence key
No source-disclosure obligation. Use it in a closed-source commercial product without paying anyone. Get started
:material-rocket-launch: Free pilot — try the advanced tier on your data¶
30 days · full advanced features · no credit card
- :material-database-search: Bring your own knowledge base — grounded scoring against your documents
- :material-phone: Weekly 30-min call with the maintainer to review results
- :material-check-decagram: Honest assessment — if it does not fit, we tell you
- :material-lock-open: No lock-in, no card, no strings
:material-currency-usd: Commercial tiers — advanced tier in production¶
The Advanced & Labs capabilities are source-available under BUSL-1.1: free to read and evaluate, free in non-production. A commercial licence unlocks them in production and hosted/SaaS deployments, and adds support and SLAs.
Founding Member — 10 spots, permanent lock
Founding Members keep 40–50 % off, locked permanently, plus direct access to the maintainer. Once 10 spots fill, prices move to the standard tier.
For: solo developers, internal tools, side projects.
- 1 production deployment of the advanced tier
- Email support (48 h response)
- Same-day updates
- Every feature included
Founding Member: CHF 29/mo (40 % off, locked)
For: teams shipping LLM features to production.
- Unlimited deployments
- Slack priority support (4 h response)
- 99.5 % SLA
- Every feature included
Founding Member: CHF 99/mo (50 % off, locked)
For: one-time purchase, no subscription.
- Equivalent to the Indie tier
- 12 months of updates included
- No recurring payments, ever
For: regulated industries, multi-tenant SaaS, high volume.
- Dedicated support engineer + private Slack/Teams channel
- Custom SLA (99.9 %+)
- On-prem / air-gapped deployment support
- SOC 2 / HIPAA compliance documentation
- Custom NLI fine-tuning on your domain data
- Quarterly architecture reviews + roadmap input
:material-api: Usage-based API (coming Q2 2026)¶
For teams that prefer pay-per-use over fixed licensing:
| Volume / month | Per 1,000 checks | |
|---|---|---|
| First 5,000 | Free | no card needed |
| 5,001 – 50,000 | CHF 2.50 | ~CHF 0.0025 / check |
| 50,001 – 500,000 | CHF 1.50 | volume discount |
| 500,000+ | Custom | contact us |
Self-hosted deployments use the licence tiers above.
:material-compare: How we compare¶
The measured differences, from the committed competitor benchmark — not marketing claims.
| Director-AI | NeMo Guardrails | GuardrailsAI | SelfCheckGPT | |
|---|---|---|---|---|
| Token-level streaming halt (experimental, under calibration) | :material-flask: | :material-close: | :material-close: | :material-close: |
| NLI latency / pair | ~0.9 ms | 50–300 ms + LLM | 2.26 s | 5–10 s |
| Offline / local | :material-check: | :material-close: | :material-close: | :material-close: |
| Self-hosted core price | CHF 0 | free | free | free |
| AggreFact balanced acc. | 75.6 % (0.4 B) | N/A | N/A | N/A |
Prevention happens during generation, on a 0.4 B model, on commodity hardware — the others score after the fact, or need a second large LLM in the loop.
:material-scale-balance: Is it worth it?¶
In a scientific, legal, medical, or financial pipeline, a single fabricated number or citation can invalidate everything downstream. The cost of catching it before it ships — at sub-millisecond NLI cost on a small model — is a rounding error next to the cost of one bad answer reaching a customer, a regulator, or a court. The commercial tiers price the advanced safeguards and the support that stands behind them; the core that does the catching is free.
:material-heart: Prefer to support directly?¶
Not ready for a licence but the project helps you? Donations directly fund development and are genuinely appreciated:
- :material-credit-card: PayPal
- :material-cellphone: TWINT
- :material-bank: Bank transfer — IBAN (CHF)
CH14 8080 8002 1898 7544 1· IBAN (EUR)CH66 8080 8002 8173 6061 8 - :material-bitcoin: Crypto — BTC
bc1qg48gdmrjrjumn6fqltvt0cf0w6nvs0wggy37zd· ETH0xd9b07F617bEff4aC9CAdC2a13Dd631B1980905FF· LTCltc1q886tmvtlnj86kmg2urd8f5td3lmfh32xtpdrut - :material-github: GitHub Sponsors
:material-frequently-asked-questions: Questions¶
What exactly is free?
The entire Apache-2.0 core — including the streaming halt, scoring, server, and integrations — for any use, including closed-source production. Only the BUSL-1.1 advanced & labs tier needs a commercial licence for production.
Do I need a licence to evaluate?
No. The core is Apache-2.0; the advanced tier is free to read and evaluate under BUSL-1.1. Buy a licence when an advanced capability ships to production.
What happens to BUSL files over time?
Each converts automatically to Apache-2.0 on its change date (the fourth anniversary). Today's advanced tier becomes tomorrow's open core.
For the full legal model, see Licensing.