Anthropic

AI Safety Research Lab — Building Reliable, Interpretable AI Systems

2021
Founded
San Francisco
Headquarters
~1,500
Employees
$61.5B
Valuation (2025)
Culture Overview

What it's really like to work at Anthropic

Founded in 2021 by Dario and Daniela Amodei (ex-OpenAI), Anthropic is an AI safety research lab that takes its mission seriously. The culture is intensely research-driven, with a flat hierarchy where engineers and researchers have outsized autonomy. Expect smart, low-ego coworkers who are genuinely focused on building safe AI systems rather than chasing hype.

Ethical AI Learning Equity Social Impact Eng-Driven Flat Hierarchy
Glassdoor Ratings

What employees actually say

4.4
Overall Glassdoor Score
Based on 222 reviews
Culture & Values 4.5
Compensation & Benefits 4.8
Senior Management 4.2
Career Opportunities 4.0
Work-Life Balance 3.7
Overall Rating 4.4
95% Recommend to a Friend
93% CEO Approval (Dario Amodei)
Employee Review Themes

The good and the hard parts

✓ What employees love

  • ✓ Mission-driven to the core, not marketing — the safety focus is genuine and deeply embedded
  • ✓ Incredible autonomy and ownership, even for mid-level engineers
  • ✓ Top-tier compensation: $300k–$490k TC for engineers
  • ✓ Smart, humble, low-ego coworkers who genuinely care about the work
  • ✓ Cutting-edge research: Claude, Constitutional AI, and interpretability work

✗ What could be better

  • ✗ High-intensity environment — extended work hours are common during peak periods
  • ✗ Processes still catching up to hypergrowth; some things feel ad-hoc
  • ✗ Some teams lack clear career ladders or promotion criteria
  • ✗ SF-heavy despite “remote-friendly” label — remote employees can feel out of the loop
Engineering Culture

How the engineering team works

Tech Stack

Python Rust JAX PyTorch

Open Source & Research

Publishes peer-reviewed research papers regularly. Claude API and SDK are open. Active in the AI safety research community.

Engineering Blog

Maintains an active engineering blog with deep dives on Constitutional AI, RLHF, and interpretability techniques. Read the research →

Team Structure

Flat, research-lab-style organization. Small, autonomous teams with high ownership. Engineers are expected to drive projects end-to-end.

Open Positions

Join the Anthropic team

Explore featured roles below, or browse all 203 open positions on the full jobs board.

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