Devin

Devin

Cognition AI
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About

Devin is an AI-driven software development assistant designed to collaborate with engineering teams to automate and accelerate coding tasks. It helps with tasks like setting up repositories, writing code, debugging, and performing migrations, all while working autonomously or alongside human developers. Devin is capable of learning from examples, making it more efficient over time. Its use has led to significant time and cost savings in large-scale projects, as seen in its deployment at Nubank, where it delivered 8-12x faster migrations and reduced costs by over 20x. Devin is particularly useful in refactoring and automating repetitive engineering tasks.

About

Muse Code is Meta’s terminal coding agent, powered by Muse Spark 1.2, for handling complex software engineering tasks across large repositories. The agent can plan changes, write code, validate results, and coordinate multiple persistent subagents during development sessions. Muse Code uses async background agents that stay active throughout a session to reduce repeated information gathering and help complete multi-step tasks with less steering. Its runtime uses a local event log that records model calls, tool runs, approvals, and edits so sessions can be replayed and resumed after failures. Muse Code includes bundled skills such as /plan for approval-gated planning, /grill for stress-testing plans, and /goal for working toward completion. Built for AI developers and software teams, Muse Code helps automate coding workflows, long-running engineering tasks, debugging, and repository-level development.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Software development teams and engineers looking for an AI-powered assistant to automate coding tasks, improve project efficiency, and reduce costs

Audience

Software engineers, AI developers, coding agent users, platform teams, DevOps teams, ML engineers, research teams, enterprise development teams, and organizations that need terminal coding agents, repository automation, code generation, debugging, validation, persistent subagents, replay-safe execution, long-running coding workflows, and end-to-end software development support

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$20/month
Pro: $20/month
Max: $200/month
Free Version
Free Trial

Pricing

$1.25 per 1M tokens (input)
Standard pricing: $1.25 per million input tokens and $4.25 per million output tokens

Discounted "contributor" tier costing $0.10 per million input tokens and $0.20 per million output tokens for users who agree to share feedback to improve the AI.
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 4.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

Pros & Cons from Real Users

Pros

  • I’ve found Devin to be an incredible tool for streamlining my coding process. It delivers quick and accurate code suggestions, which have really helped me reduce development time. Whether I’m tackling complex algorithms or debugging, Devin’s responses are always precise and helpful. The integration into my coding environments has been seamless, and it consistently understands the context of the project, even with minimal input.

Cons

  • While Devin is great for most coding tasks, I’ve noticed it struggles a bit with more abstract problems that require creative or unconventional solutions. Its suggestions tend to be based on patterns, which sometimes miss the mark when working on unique or highly specialized projects. Additionally, it occasionally over-explains simple solutions, making the responses longer than necessary.

Pros & Cons from Real Users

Pros

  • Muse Code looks exciting because Meta is finally going after coding agents directly, not just releasing another general AI model. A terminal-based agent that can write code, inspect software, run tests, and validate changes is exactly the kind of workflow developers actually care about. The pricing angle is a big deal. Meta is pitching Muse Code as one of the more affordable coding agents, with a lower-cost tier that is reportedly less than one-tenth the cost of its general Muse Spark model. That matters if you use coding agents all day instead of just for the occasional refactor. I also like that it is powered by Muse Spark 1.2, which sounds more focused on software engineering than earlier Muse Spark releases. If Meta can make the agent reliable inside real repos, Muse Code could become a serious daily tool.

Cons

  • It is still in beta, so I would not trust it blindly yet. Coding agents need to prove themselves on messy codebases, failing tests, weird dependencies, security-sensitive changes, and long multi-step tasks. I would also want to see more independent developer feedback. Meta’s pricing and positioning are interesting, but the real test is whether Muse Code can consistently make good changes without wasting time or creating cleanup work.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Cognition AI
Founded: 2023
United States
devin.ai/

Company Information

Meta
Founded: 2004
United States
meta.ai

Alternatives

Amp

Amp

Amp Code

Alternatives

Claude Code

Claude Code

Anthropic
Devin Desktop

Devin Desktop

Cognition
Claude Code

Claude Code

Anthropic
Goose

Goose

Block

Categories

Categories

Integrations

Assembly
C
Claude Mythos 5
Claude Opus 4.8
Claude Opus 5
Claude Sonnet 4.6
GPT-5.1
GPT-5.2
GPT-5.3 Instant
GPT-5.4
GPT-5.5 Pro
HTML
Linear
Lua
MATLAB
Muse Spark 1.1
PHP
Perl
React Native
Rust

Integrations

Assembly
C
Claude Mythos 5
Claude Opus 4.8
Claude Opus 5
Claude Sonnet 4.6
GPT-5.1
GPT-5.2
GPT-5.3 Instant
GPT-5.4
GPT-5.5 Pro
HTML
Linear
Lua
MATLAB
Muse Spark 1.1
PHP
Perl
React Native
Rust
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