PERSONAE / v1.0 / personae.nyxcore.cloud

PERSONAE

Roles with memory. Now for hire.

AI personas with character — Bekir the works-council chair, Sam the HR ops lead, Marie the GDPR counsel. Bearer-token API, per-call billing, BYOK on our side. CORE-framework prompts grounded in Nature 2023 / Constitutional AI. Live in an hour.

Open Studio API Docs See the Cast

Personas at launch

Circles (bundles)

Default markup

3×

Time to live

60min

The CORE framework · peer-reviewed roots

Not "better prompt engineering".
A methodology with citations.

Every PERSONAE persona follows CORE — Context · Objective · Role-and-Rules · Expression — plus a Safety block and two in-character examples. Each block has research behind it.

Context

Who the persona is — demographics, background, Limbic-Map.

Shanahan, McDonell & Reynolds — Nature 623, 493 (2023). Personas are statistical tendency, not identity.

Objective

Mission and enumerated core functions.

Reynolds & McDonell — CHI EA '21. Explicit task spec reduces distribution drift.

Role & Rules

MUST and MUST NOT — positive and negative constraints.

Bai et al. — Constitutional AI (Anthropic 2022). Rules-based refusal quality +40 %.

Expression

Tone, syntax, metaphor palette.

Argyle et al. — Political Analysis 31(3), 337 (2023). Stylistic anchors steer demographic profiles.

Safety

Anti-hallucination + refer-to-expert templates.

Yu et al. — arXiv:2406.10602 (2024). Explicit safety anchors cut persona-induced hallucinations 2–3×.

Examples

Two in-character Q&A pairs as voice anchors.

Brown et al. — NeurIPS 2020. Few-shot anchors stabilize voice across long conversations.

The Cast · 8 launch personas

Eight buyer-personas.
One Bearer-token away.

Each persona is a complete profile — demographics, Limbic-Map, goals, taboos, expert referrals. Build your own in 15 minutes from the same template.

Bekir Türk

The advanced visionary

Senior works-council chair · 15 yrs

DominanzPerformerVisionär

“He who does not dare, does not win.”

Helps with: Council-meeting prep, motion drafting, conflict comms.

→ refers to: labour-law attorney

Sam Larsen

The structured operator

Senior HR Operations Lead · 12 yrs

DisziplinBewahrerPerformer

“Structure is the answer to complexity.”

Helps with: One-on-one prep, onboarding choreography, hard people-decisions.

→ refers to: labour-law attorney

Dr. Marie Lindquist

The pragmatic privacy counsel

Privacy & GDPR counsel · ex-supervisory authority

DisziplinBewahrerVisionär

“GDPR is risk management, not bureaucracy.”

Helps with: DPA triage, TOMs, first-pass DPIAs, processor reviews.

→ refers to: IT-law attorney

Alex Vargas

The pragmatic closer

B2B SaaS Sales Lead · 20 yrs

DominanzPerformerHedonist

“A great discovery call replaces three demos.”

Helps with: Discovery- and closing-call sparring, MEDDPICC sanity-checks.

Jordan Park

The career-switcher sourcer

Senior Tech Recruiter · 4 yrs

HedonistAbenteurerPerformer

“Talent recognises talent — mediocrity recognises nothing.”

Helps with: Cold-outreach drafts, Boolean strings, interview playbooks.

Sophia Moreau

The unconventional stylist

Personal shopper · 6 yrs freelance

GenießerVisionärAbenteurer

“Style is who you want to be — not what everyone else wears.”

Helps with: Outfit recommendations, wardrobe audit, capsule-wardrobe build.

Petra Karras

Three pans suffice

Former Michelin chef · food coach

GenießerVisionärDisziplin

“Three good pans replace ten pots.”

Helps with: Weekly menu plans, seasonal lists, honest 5-step recipes.

Riley Falk

The twice-burned mentor

Founder coach · 2 exits (1 success, 1 insolvency)

VisionärBewahrerDominanz

“The most expensive advice is the advice you get six months too late.”

Helps with: Pitch sparring, term-sheet reviews, co-founder split choreography.

Four Circles · pre-built bundles

Bundles with their own pricing logic. Lead picks the voice.

Each Circle has a Lead persona (default voice when only the Circle ID is named) and optional sub-personas. Customers can address either.

Circle · clarait-advisors

clarait Advisors

Persona advisory for works councils, HR teams, privacy programs.

BTBekir

SLSam

MLDr.

Default 3× markup · ~€140/month at 5 000 GDPR Q&A

Circle · b2b-growth-stack

B2B Growth Stack

Sales sparring + recruiting drafts for SaaS teams.

AVAlex

JPJordan

~€0.90 per coaching session · ~€80/month at 500 cold drafts

Circle · lifestyle-concierge

Lifestyle Concierge

Personal recommendations for end-customer apps.

SMSophia

PKPetra

~€120–250/month at 3 000 sessions

Circle · founders-inner-circle

Founders Inner Circle

24/7 sparring for founders facing hard decisions.

RFRiley

AVAlex

~€190/month for 30-founder accelerator (8 sessions/founder)

Use cases · money on the table

Six applications. Real pricing. No hand-waving.

All numbers based on Anthropic-Haiku pricing × default 3× markup. Cached-token discounts (Anthropic 90 %, OpenAI 50 %, Google 75 %) flow through automatically — you pay what we pay, plus your markup.

B2B SaaS sales team

Sales enablement

Reps practice discovery against Alex as a skeptical procurement lead. Real-time objections.

~€0.90 per coaching session

Mid-size company · 50+ staff

HR onboarding training

New managers role-play hard one-on-ones with Sam — feedback live in browser.

~€125 / year for 50 leaders

SaaS platform with GDPR scope

GDPR FAQ bot

Marie answers customer GDPR questions, refers contested cases to attorney.

~€140–180 / month at 5 000 Q&A

Fashion shop with advisory pitch

Style concierge

Sophia as virtual personal shopper on product pages — asks for occasion, budget, wardrobe.

~€120–250 / month at 3 000 sessions

VC / accelerator · 30 founders

Founder tool

Riley as 24/7 sparring for term-sheet reviews and pitch pre-mortems.

~€190 / month · cheaper than one mentor slot

In-house recruiting team

Recruiting assistant

Jordan writes personalised cold-outreach drafts from a LinkedIn profile.

~€80 / month at 500 drafts

Pricing tiers · subscribe via Stripe

Free to validate. Per-call to scale. Annual to lock in.

Four tiers, transparent overages, no per-seat surcharge. Cached-token discounts (Anthropic 90 %, OpenAI 50 %, Google 75 %) flow through as lower per-call cost on every plan.

Free

€0no credit card

Build your first persona, run cURL against the API, validate the fit.

1 Circle · 3 chatbot personas
1 000 calls / month included
60 calls/min rate-tier
Studio + CORE-prompt builder
Bearer-token auth · audit trail

Start free

Starter

€49/ month

Production-ready for one product line — embed PERSONAE in your customer-facing app.

3 Circles · 12 chatbot personas
10 000 calls / month included · €0.012 / call overage
60 calls/min rate-tier
Live persona-skill evolution (Mnemo loop)
GDPR-export-ready audit log

Most chosen

Scale

€199/ month

Multi-product, multi-customer: a marketplace of voices behind your apps.

Unlimited Circles · unlimited chatbot personas
75 000 calls / month included · €0.009 / call overage
600 calls/min rate-tier · 3× headroom
Per-token monthly budget caps
Per-call externalUserId for analytics
Priority support · 1 business day SLA

Enterprise

Talk to usannual contract

Dedicated tier, custom DPA, 6 000 calls/min, white-label option.

Volume discount over Scale-tier pricing
Dedicated tenant + dedicated rate-tier
Custom DPA · ISO 27001 evidence pack
White-label persona marketplace option
SAML SSO · audit-log export to your SIEM
Quarterly persona-eval reports (jailbreak / temp / drift)

Contact sales

All paid plans bill via Stripe (EUR · SEPA · card · invoice for annual). Cancel any time. Unused included calls don't roll over. EU-VAT handled automatically. Stripe Customer Portal for invoices & cards.

Token model · per-call billing

Bearer tokens. Pay per call. No seat lock-in.

You pay what we pay, plus your markup. Token-limits, monthly budget cap, instant revoke. No platform fee, no per-seat surcharge.

What's in the token

SHA-256-hashed in DB · token shown once
Scopes: chat:invoke · chat:read
Optional allowedCircleIds (whitelist per token)
Optional monthlyBudgetCents (HTTP 402 on cap)
Rate-tier: standard 60 · premium 600 · internal 6 000 /min
One-click revoke · propagates < 1 sec tenant-wide
Audit trail per Conversation/Message + externalUserId for analytics

How pricing computes

billedCents = round(costUsd × markupMultiplier × 100)
            + flatSurchargePerCallCents

Default markup:    3×       (1×–20× per Circle)
Default surcharge: 0¢       (e.g. 5¢ per call)
Default LLM:       Haiku    (overridable per call)

Example: a 700-token Haiku response costs us ~0.3¢. At 3× markup you pay ~1¢ — at 3 000 calls/month, that's ~€30. Cached discounts make it lower still.

Sixty seconds from zero to answer

# 1. List what your token can use
curl -sS https://nyxcore.cloud/api/v1/persona/list \
  -H "Authorization: Bearer nyx_pa_xxx"

# 2. Bekir answers
curl -sS -X POST https://nyxcore.cloud/api/v1/persona/chat \
  -H "Authorization: Bearer nyx_pa_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "circleId": "<clarait-advisors>",
    "messages": [
      {"role": "user", "content": "How should I prepare a works-council vote on short-time work?"}
    ]
  }'

# →  Bekir answers — in Bekir's voice
# →  usage.billedAmount: 0.02 EUR  ·  conversationId for follow-ups

Inside the engine · the nyxCore stack underneath

Not built from scratch. The tip of a public machine.

PERSONAE runs on the same stack nyxCore uses internally. Mnemo drives the learning loop. Pantheon proves it scales. Core carries multi-tenancy, audit, and DSGVO.

mnemo.nyxcore.cloud

Mnemo — the skills loop

Pre-registered, GDPR-anonymised replication of the Memento-Skills Read-Write Reflective Learning loop. 28 days · 8 LLM providers · 15 personas · real workloads. The same loop powers your PERSONAE personas — they get sharper with every call.

landingpage.nyxcore.cloud/pantheon

Pantheon — 14+ architecture personas

Athena, Hermes, Tyche, Aristaeus, Themis, Nemesis. The Greek-named cast nyxCore itself ships with — measurable success rates, evolving skills, 3 800+ documented pipeline calls. We eat our own dogfood.

core.nyxcore.cloud

nyxCore Core — the chassis

Multi-tenant Postgres RLS, AES-256-GCM API key vault (BYOK), 27 tRPC routers, self-repair pipeline, GDPR-Hetzner-DE hosting. PERSONAE personas live in the same schema. Outgrow rental? Take the whole platform.

─── Free tier · no credit card ───

Build your first persona
in 15 minutes.

Open the Studio · fill the buyer-persona profile (Limbic-Map, goals, taboos) · CORE prompt is live as preview · grab a token · run cURL. If you like it: build a Circle, set a markup, hand it to a real customer.

Open Studio API Docs Enterprise tier

Bearer tokens · SHA-256 · revoke in seconds

DSGVO Hetzner-DE · RLS · AES-256-GCM vault

Per-call billing · 3× markup · transparent discounts

60 / 600 / 6 000 calls/min · monthly budget cap