Opera AI vs Devin (Cognition)
Detailed side-by-side comparison to help you choose the right tool
Opera AI
Web Automation Tools
Built-in AI assistant integrated into the Opera browser with real-time web access capabilities.
Was this helpful?
Starting Price
CustomDevin (Cognition)
🔴DeveloperWeb Automation Tools
Autonomous AI software engineer that plans, codes, tests, and deploys complete software projects using its own sandboxed development environment with terminal and browser access.
Was this helpful?
Starting Price
$20/monthFeature Comparison
Scroll horizontally to compare details.
Opera AI - Pros & Cons
Pros
- ✓Deeply integrated into the browser sidebar — no tab switching or separate app needed
- ✓Real-time web access provides current, sourced answers rather than stale training data
- ✓Free tier is generous enough for casual daily use without hitting paywalls
- ✓Page-aware context lets you interact with the content you're already viewing
- ✓Supports 50+ languages for global accessibility
- ✓Regular updates through Opera's four-week browser release cycle
- ✓Privacy handled through Opera's servers rather than direct third-party AI provider exposure
Cons
- ✗Only available within the Opera browser — requires switching from Chrome, Firefox, or Safari
- ✗Free tier image generation has restrictive daily limits
- ✗Aria Pro pricing and feature tiers are not always clearly communicated in the browser
- ✗Cannot install plugins or custom GPTs like ChatGPT Plus allows
- ✗Conversation context is limited compared to dedicated AI platforms with large context windows
- ✗Opera's smaller market share means fewer community resources and third-party integrations
- ✗Responses can be slower during peak usage periods on the free tier
Devin (Cognition) - Pros & Cons
Pros
- ✓End-to-end autonomy: plans, codes, tests, and deploys without continuous human prompting, unlike inline assistants such as Copilot or Cursor
- ✓Self-serve pricing starts at $20/month using ACU (Autonomous Compute Units), a 25x reduction from the original $500/month enterprise tier
- ✓Operates a full sandboxed environment with code editor, terminal, and browser — enabling real research, package installation, and deployment workflows
- ✓Proven on enterprise-scale work including COBOL modernization at Fortune 500 companies and a large-scale migration at Nubank
- ✓Built by a high-density founding team with 10 IOI gold medals and senior engineers from Cursor, Scale AI, Google DeepMind, Waymo, and Modal
- ✓Now integrated with Windsurf IDE (acquired by Cognition) and supports a Devin-for-Terminal hand-off workflow that starts local and resumes in the cloud
Cons
- ✗ACU-based pricing can become unpredictable for long-running tasks compared to flat-rate competitors like Copilot ($10/month) or Cursor ($20/month)
- ✗Autonomous decisions may diverge from team coding standards or architectural conventions without careful guardrails
- ✗Less interactive than IDE-native assistants — best for delegated tasks, not pair-programming or real-time editing
- ✗Enterprise features and dedicated support are gated behind Team ($200/month per seat) and custom Enterprise plans
- ✗Newer than established tools, so long-term code quality and maintenance patterns are still being validated in production deployments
Not sure which to pick?
🎯 Take our quiz →🔒 Security & Compliance Comparison
Scroll horizontally to compare details.
🦞
🔔
Price Drop Alerts
Get notified when AI tools lower their prices
Get weekly AI agent tool insights
Comparisons, new tool launches, and expert recommendations delivered to your inbox.
Ready to Choose?
Read the full reviews to make an informed decision