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Decisions Lab

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We Simulate Human Responses

The #1 message optimization tool for cold outreach

Powering the world's best teams From next-gen startups to established enterprises.

Microsoft
Time Auction
HKSTP
Sourcy
Algreen
HKU
Microsoft
Time Auction
HKSTP
Sourcy
Algreen
HKU

Trusted by forward-thinking teams worldwide

Most cold emails go unanswered

BD Reps send hundreds every week and still hear nothing back
Early Pilot Results
20x reply rate
Lift from 0.3% to 6.7% in reply rate for an AI B2B SaaS company.
Messaging Optimization

Outreach Prospects Can't Ignore

Spectrum predicts each prospect's response, crafts multiple variants, and auto-sends the winner—so you only send what resonates.

Persona diagram with labeled chips

Personas

Spectrum creates a persona for each prospect based on public data to understand their challenges, motivations, and preferred writing style.

Reaction chips and scored message

Predict Reactions

Spectrum simulates each prospect's reaction before you hit send, with likelihood scoring and feedback. Iterating on this for perfection.

Stacked message variants with winner

Send Winners

Spectrum automatically crafts and scores message variants, and picks the one with the highest predicted reply rate.

The Spectrum Advantage

01

93% Real-World Accuracy

Live AI tests matched customer feedback with a 93% success rate in predicting which messages resonate.

02

2× Cultural Depth vs. OpenAI

We analyze twice as many cultural signals, so every subject line, hook, and frame hits the right note.

03

20 Billion Data-points

Our psychographic and behavioral dataset with 20 billion points creates one-to-one messaging at infinite scale.

Pricing that scales with you

Pricing is simple: how many people you want to reach each month. No per-seat or email volume fees. Built to turn outreach into meetings and pipeline.

Monthly
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Free Tier

Free

Simulate 60 prospects/month

  • Simulate outreach to up to 60 prospects per month
  • Upload your own leads
Most Popular

Pro Tier

$199/month

Simulate 300 prospects/month

  • Simulate outreach to up to 300 prospects per month
  • Sales insights & analytics
  • Priority support

Premium Tier

$559/month

Simulate 1000 prospects/month

  • Simulate outreach to up to 1000 prospects per month
  • 24/7 dedicated support
  • Enterprise-grade reports
  • Dedicated account manager

Let's Engineer the Future of Sales.