Bolt.newvsBrowserbasevsCrewAI

3 agents, 3 evaluations — 0 community and 3 editorial — compared across overall score, task fit, reliability, cost, ease of setup, and drift over time.

Current verdict: Bolt.new and Browserbase are effectively tied on current review-derived scores; choose by use case, setup complexity, and pricing fit.

Current signal

last 90 days

Freshness

1 of 3 loaded evaluations are from the last 90 days

Version context

reviews now ask model/runtime and tier

AI-agent quality changes with model releases, CLI/client updates, pricing limits, and vendor defaults. Treat all-time scores as historical context; prioritize recent reviews and model/runtime notes before standardizing on a tool.

ruling.so/compare/bolt-new-vs-browserbase-vs-crewai

New comparison Add review

Overall scoreaggregate · 1–10

Bolt.new

StackBlitz · Coding Agents

8.4/10

Browserbase

Browserbase · Task Automation

8.4/10

CrewAI

CrewAI · Frameworks & Indie

8.4/10

Add agent

Scorecard

Winners are highlighted only when comparable review-derived scores exist.

3 evaluations considered

Overall

Weighted aggregate verdict across the review.

8.4/10

4.2/5 source average.

8.4/10

4.2/5 source average.

8.4/10

4.2/5 source average.

review avg

Task fit

How well the agent matches the job users hired it for.

9.2/10

4.6/5 source average.

8.8/10

4.4/5 source average.

8.6/10

4.3/5 source average.

review avg

Reliability

Consistency, uptime, and repeatability under real workflows.

7.6/10

3.8/5 source average.

8.6/10

4.3/5 source average.

7.8/10

3.9/5 source average.

review avg

Ease of setup

How quickly teams can get from signup to useful output.

9.6/10

4.8/5 source average.

8.2/10

4.1/5 source average.

8.0/10

4.0/5 source average.

review avg

Cost efficiency

Whether the results justify the seat, usage, or platform cost.

7.6/10

3.8/5 source average.

7.6/10

3.8/5 source average.

8.6/10

4.3/5 source average.

review avg

Drift score

How well quality holds up over longer sessions and releases.

7.6/10

3.8/5 source average.

8.4/10

4.2/5 source average.

8.0/10

4.0/5 source average.

review avg

At a glance

A truthful, data-backed summary of where each agent stands today.

Bolt.new

StackBlitz · Coding Agents

Top score

Bolt.new is a browser-based full-stack agent that scaffolds, runs, and deploys complete web applications from a single prompt — no local setup required. Built on StackBlitz's WebContainers, it has become the leading "vibe coding" tool for rapid prototyping and has spawned an ecosystem of open-source forks. It is especially popular with non-developers and startup founders who want functional MVPs without writing code.

Best signalFast full-stack prototypes with token economics to watch

Browserbase

Browserbase · Task Automation

Top score

Browserbase is a headless browser infrastructure platform built for AI agents, providing managed Chromium instances with built-in features for CAPTCHA solving, proxy rotation, session management, and live debugging. It has emerged as the default browser infrastructure layer for AI agent developers using frameworks like Playwright, Puppeteer, and Stagehand. Browserbase eliminates the DevOps overhead of running browser fleets at scale.

Best signalReliable browser infrastructure for teams building agents

CrewAI

CrewAI · Frameworks & Indie

Top score

CrewAI is the fastest-growing multi-agent orchestration framework, enabling developers to build teams of specialized AI agents that collaborate to complete complex tasks through role-based coordination. Its intuitive Python API has made it the most popular framework for enterprise multi-agent applications, with over 25 million agent runs per month across its cloud platform. CrewAI's "Crews" model maps naturally to business workflows where different agents handle research, writing, coding, and review.

Best signalApproachable multi-agent orchestration for business workflows

Pricing and specs

Static facts from the Ruling catalog, not prototype estimates.

Top review for each

Most helpful published review per agent, pulled from current Ruling data.

Browse all reviews →

Top review↓ most helpful

Ruling Editorial — Engineering

Ruling editorial benchmark · last 30 days

Fast full-stack prototypes with token economics to watch

Ruling editorial benchmark: Bolt.new is one of the fastest browser-based paths from a prompt to a running web application because generation, runtime, hosting, and backend services are integrated. It is especially useful for prototypes, internal tools, and founder-led MVP exploration with no local setup. Larger projects consume more tokens as file context grows, so production hardening, architecture review, and plan economics become the main constraints after the first demo.

↑ 22 found helpfulRead →

Ruling Editorial — Operations

Ruling editorial benchmark · older signal · May 1, 2026

Reliable browser infrastructure for teams building agents

Ruling editorial benchmark: Browserbase is not a finished end-user agent; it is infrastructure for teams that need reliable browser sessions, debugging, and scaling for web automation agents. That distinction matters. For builders working on browser-use products, the managed infrastructure can save significant time compared with maintaining custom browser fleets.

↑ 17 found helpfulRead →

Ruling Editorial — Frameworks

Ruling editorial benchmark · older signal · May 11, 2026

Approachable multi-agent orchestration for business workflows

Ruling editorial benchmark: CrewAI has one of the most approachable APIs for modeling role-based agent workflows. It works well for demos and internal process prototypes where the team can define roles, tasks, and expected outputs clearly. Production use still requires observability, evaluation, and careful tool boundaries.

↑ 18 found helpfulRead →

Adjacent matchups

If you are comparing these agents, these nearby alternatives are worth opening next.

/compare/bolt-new-vs-claude-code

Claude Code leads by 1.2 on current Ruling scores; compare it against Bolt.new before shortlisting.

2 reviews

/compare/bolt-new-vs-cursor

Cursor leads by 1.0 on current Ruling scores; compare it against Bolt.new before shortlisting.

2 reviews

/compare/bolt-new-vs-codex-cli

Codex CLI leads by 0.8 on current Ruling scores; compare it against Bolt.new before shortlisting.

2 reviews

Share this comparison

Send the URL to teammates when you need a compact, review-backed agent shortlist.

/compare/bolt-new-vs-browserbase-vs-crewai

Build another comparison