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Compare AI Agents

Side-by-side comparison of AI agents

Sierra AI icon
Sierra AI
Custom
Devin icon
Devin
$500/mo
特性
Sierra AI iconSierra AI
Devin iconDevin
Rating 4.2 4.3
Starting PriceCustom$500/mo
AutonomyFullFull
任务成功率82%72%
平均响应时间8s300s
自主性
78
95
可靠性
82
78
易用性
70
75
成本效益
55
55
集成能力
75
80
支持
80
70
能力
knowledgeapiemailcrmphone
codebrowsershellfileapi
优点
  • Enterprise-grade safety
  • Brand-specific personality
  • Strong executive backing
  • Production-proven
  • Fully autonomous end-to-end coding
  • Can deploy applications independently
  • Persistent context across sessions
  • Shell and browser access
缺点
  • Custom pricing (expensive)
  • Long sales cycle
  • Enterprise-only
  • Limited self-service setup
  • 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Sierra AIDevin
Long Context Recall (100K+)
82%
78%
Multi-Turn Consistency8/107/10
Knowledge CutoffReal-time2024-10
Web AccessYesYes
Batch Processing
Safety Score
8/10
7/10
Refusal Guidance8/106/10

Memory & Personalization

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

Safety & Version Control

Sierra AI
Safety Composite80%
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: Sierra AI

Deep Research

Analyze papers, gather insights from large datasets.

Devin
Runner-up: Sierra AI

Customer Support

Handle tickets, FAQs, and live chat with empathy.

Sierra AI
Runner-up: Devin

Workflow Automation

Automate repetitive tasks across apps.

Devin
Runner-up: Sierra AI

Meeting Notes & Summary

Transcribe, summarize, and extract action items.

Devin
Runner-up: Sierra AI

Data Analysis

Process data, generate reports, find patterns.

Devin
Runner-up: Sierra AI

Web Automation

Navigate sites, fill forms, extract data.

Devin
Runner-up: Sierra AI

Budget-Friendly

Maximum capability at minimum cost.

Devin
Runner-up: Sierra AI

成本比较

输入月度任务数以比较真实成本

105001000
Sierra AI胜出
$17.60
$17.60 usage-based
Devin
$890.00
$500 base + $390.00 tokens

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