// Book comparison

Influence vs Never Split the Difference

Which should you read? A side-by-side comparison of Influence by Robert Cialdini and Never Split the Difference by Chris Voss.

At a glance

Influence Never Split the Difference
Rating ★ 4.9/5 ★ 4.9/5
Pages 320 288
Reading time ~8.0 h ~7.2 h
Published 1984 2016
Author Robert Cialdini Chris Voss
Category Personal Effectiveness Personal Effectiveness
Publisher William Morrow HarperBusiness

Choose Influence if…

  • You're interested in personal effectiveness.
  • You want the higher-rated book (4.9/5).

Choose Never Split the Difference if…

  • You're interested in personal effectiveness.
  • You prefer a shorter read (~7.2 hours).
  • You want the more recent perspective (2016).

Key takeaways — Influence

  • Apply the Reciprocity Principle by providing value to your stakeholders first, creating a psychological obligation that significantly increases your future persuasive power.
  • Leverage Social Proof by highlighting the endorsements of your existing customers and industry leaders to reduce perceived risk for new strategic partners.
  • Utilize Commitment and Consistency by asking for small, initial agreements that lead your stakeholders to stay aligned with your larger organizational goals over time.
Read full Influence summary →

Key takeaways — Never Split the Difference

  • Utilize Calibrated Questions (e.g., 'How am I supposed to do that?') to force the other party to help solve your problems while giving them the illusion of control.
  • Apply Labeling to neutralize negative emotions and reinforce positive ones, creating the psychological safety needed for the other party to share 'Black Swan' information.
  • Master the art of Mirroring to build an immediate emotional bond with your counterpart, encouraging them to elaborate and reveal their true strategic priorities.
Read full Never Split the Difference summary →

The verdict

If you want the higher-rated, more acclaimed read, start with Influence. If you want a different angle on the same topic, Never Split the Difference is the better fit. Both summaries are free — no signup required.

❓ FAQ

Is Influence or Never Split the Difference better? +

Influence has the higher reader rating (4.9/5 vs 4.9/5), but "better" depends on your goal. Influence focuses on personal effectiveness, while Never Split the Difference focuses on personal effectiveness. See the verdict below.

Which is shorter, Influence or Never Split the Difference? +

Never Split the Difference is shorter (288 pages, ~7.2 hours) compared to Influence (320 pages, ~8.0 hours).

Should I read Influence or Never Split the Difference first? +

If you want the quicker, higher-rated read, start with Influence. Otherwise read whichever matches your current goal — both summaries are free on BookHubs.