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Compare AI Agents

Side-by-side comparison of AI agents

Grammarly AI icon
Grammarly AI
Free
Devin icon
Devin
$500/mo
特性
Grammarly AI iconGrammarly AI
Devin iconDevin
Rating 4.4 4.3
Starting PriceFree$500/mo
AutonomySemiFull
任务成功率90%72%
平均响应时间0.5s300s
自主性
50
95
可靠性
90
78
易用性
95
75
成本效益
88
55
集成能力
90
80
支持
78
70
能力
fileknowledge
codebrowsershellfileapi
优点
  • Best-in-class grammar AI
  • Works everywhere
  • Instant corrections
  • Excellent free tier
  • Fully autonomous end-to-end coding
  • Can deploy applications independently
  • Persistent context across sessions
  • Shell and browser access
缺点
  • Grammar-focused, not generative
  • Limited creative writing
  • Premium needed for tone
  • US English focused
  • Very expensive at $500/mo
  • Slower than human developers for complex tasks
  • 72% success rate means retries needed
  • Limited to standard web stacks

Deep Analysis

特性Grammarly AIDevin
Long Context Recall (100K+)
72%
78%
Multi-Turn Consistency8/107/10
Knowledge Cutoff2025-042024-10
Web AccessYesYes
Batch Processing
Safety Score
8/10
7/10
Refusal Guidance7/106/10

Memory & Personalization

Grammarly AI
Long-term Memory
Editable Memory
Cross-Device Sync
Memory Score:3/3
Devin
Long-term Memory
Editable Memory
Cross-Device Sync
Memory Score:2/3

Safety & Version Control

Grammarly AI
Safety Composite75%
Rollback SupportNone
Devin
Safety Composite65%
Rollback SupportPartial

Scenario Recommendations

Best agent pick for each real-world use case based on weighted scoring.

Coding Projects

Build, debug, and deploy code autonomously.

Devin
Runner-up: Grammarly AI

Deep Research

Analyze papers, gather insights from large datasets.

Grammarly AI
Runner-up: Devin

Customer Support

Handle tickets, FAQs, and live chat with empathy.

Grammarly AI
Runner-up: Devin

Workflow Automation

Automate repetitive tasks across apps.

Grammarly AI
Runner-up: Devin

Meeting Notes & Summary

Transcribe, summarize, and extract action items.

Grammarly AI
Runner-up: Devin

Data Analysis

Process data, generate reports, find patterns.

Grammarly AI
Runner-up: Devin

Web Automation

Navigate sites, fill forms, extract data.

Devin
Runner-up: Grammarly AI

Budget-Friendly

Maximum capability at minimum cost.

Grammarly AI
Runner-up: Devin

成本比较

输入月度任务数以比较真实成本

105001000
Grammarly AI胜出
$0.00
$0.00 usage-based
Devin
$890.00
$500 base + $390.00 tokens

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