Labs · original research · weekly

Frameworks & field notes from the GTMhub Labs.

What we're learning, what we shipped, what didn't work. Original frameworks, primers, and case studies on the AI-native GTM stack. No takeaways for the sake of takeaways.

▾ Subscribe
All Frameworks Primers Case studies Field notes Benchmarks Tools
PrimerMay 5, 2026

Signal-based outbound: detection, scoring, and acting

How to detect buying intent across 40+ data sources and trigger plays your reps will actually run. Scoring without overfitting.

12 min · Mehul Ranka
Case studyApr 28, 2026

Building a research agent for B2B sales

Inside the architecture of our account research agent: prompt routing, eval harness, hallucination guards.

7 min · Mehul Ranka
FrameworkApr 14, 2026

Eval-driven GTM: stop shipping AI on vibes

A small evaluator + a 5% human sample is enough quality gating to ship AI into production GTM.

8 min
BenchmarkApr 6, 2026

B2B paid benchmarks: Q1 2026 across 14 portfolios

CPL, ROAS, and channel-mix benchmarks across fintech, SaaS, healthcare, logistics. What "good" looks like by stage and segment.

11 min
Field noteMar 24, 2026

A funding-signal alone moved reply rate 3.5x

One signal. Two weeks. Reply rate from 1.1% → 3.8% on triggered accounts. What we changed and what we didn't.

4 min
PrimerMar 18, 2026

Email deliverability in 2026: the SendSure playbook

Continuous warmup, reputation monitoring, seed-list testing, auto-recovery. The actual mechanics of 89% inbox placement.

14 min
FrameworkMar 10, 2026

Attribution that survives privacy, ad blockers, and dark social

Multi-touch + self-reported + offline conversion uploads. The pragmatic attribution stack we ship to clients.

10 min
ToolsFeb 28, 2026

The 12 tools we install on every engagement

Outreach, Clay, Apollo, Clearbit, Gong, Snowflake, dbt, Hex, Slack, Linear, Notion, Langfuse. What each one does and what we replace.

9 min
Case studyFeb 20, 2026

Cutting CAC by 41% for a clinical-trial recruitment platform

Repositioned messaging, killed three paid channels, doubled down on signal-based outbound. 6 months. Anonymized.

8 min
Field noteFeb 12, 2026

Why we rejected an "AI SDR" pitch six times

Six VCs and three founders pitched us "AI SDRs." We said no every time. Here's the test we apply and why most fail it.

5 min
PrimerFeb 4, 2026

ABM at scale: how to run 4,000 accounts without templating

Tiering, signal-routing, persona-aware composition. The mechanical version of "personalization at scale" that actually personalizes.

13 min
FrameworkJan 22, 2026

The compounding-pipeline thesis

Why operations + product + content compound where one-off campaigns don't. The thesis behind every GTMhub engagement.

7 min
Page 1 of 6 · 72 pieces published
1 2 3 4 5 6
Subscribe to the Labs

One working framework a week.

Original research, written down. No fluff, no takeaways for the sake of takeaways.