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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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QuickFiling
✓ verifiedFreemium
AI-guided immigration petition drafting for NIW, EB-1A, EB-1B, O-1, I-485, and EB-5 cases, priced per case type.
17K visits/mo
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Opera One Browser
✓ verifiedFree
Free Chromium-based desktop browser with tab grouping, built-in AI, free VPN, ad blocker and sidebar apps.
Pricing
DEVELOPER: FREE
STARTER: $119 / month
GROWTH: $599 / month
ENTERPRISE: Starting at $1,800 / month
Dr. I-485: $299 (free to start)
Dr. Visa: $199 (free to start)
Dr. NIW: $749 (free to start)
Dr. EB1A: $949 (free to start)
Dr. EB1B: $949 (free to start)
Dr. O-1: $949 (free to start)
Dr. EB-5: $999 (free to start)
No public pricing
No public pricing
Kane CLI Free: $0/mo (200 credits/month)
Kane CLI Starter: $19/mo (2,000 credits/month)
Kane CLI Pro: $99/mo (10,000 credits/month)
KaneAI Web: $199/mo billed annually (500 AI authoring sessions/month)
KaneAI Mobile + Web: $299/mo billed annually (10,000+ real devices)
Live Virtual: $15/mo billed annually (per parallel session)
Free trial available
Core features
- ✦Developer-first platform for AI-powered integrations
- ✦Secure, isolated sandboxes for running JavaScript/Python code
- ✦Automatic management of npm/PyPI dependencies
- ✦Built-in platform plumbing: secrets, webhooks, scheduling, logs, and audit
- ✦Yep Agent (prompt → runnable processes)
- ✦MCP Server/Tools (convert code into AI agent tools)
- ✦Serverless runtime (YepCode Run) and SDK access
- ✦Category-specific AI specialists for NIW, EB-1A, EB-1B, O-1, I-485, and EB-5
- ✦Free initial eligibility evaluation before payment
- ✦Automated organization of supporting evidence and exhibits
- ✦Drafts full USCIS-ready petition letters and document checklists
- ✦Optional RFE (Request for Evidence) response drafting
- ✦DS-160 prep and consular interview guidance for nonimmigrant visas
- ✦Fast tensor operations
- ✦Differentiable tensors for gradient-based optimization
- ✦Network connectivity
- ✦Integration with Bun and Flashlight
- ✦Support for GPU computation with CUDA (Linux) and CPU computation (macOS)
- ✦Tab Islands for organizing tabs into groups
- ✦Built-in Opera AI assistant with page context
- ✦Free VPN and ad blocker
- ✦Modular sidebar with apps and messengers
- ✦Split-screen browsing and immersive themes
- ✦Online Browser Testing
- ✦Selenium Testing
- ✦Test Manager
- ✦Playwright Testing
- ✦HyperExecute
- ✦Accessibility Testing
- ✦Real Devices Cloud
- ✦Visual Regression Cloud
- ✦Test Intelligence
- ✦Automation Testing Cloud
Use cases
- →Building complex API integrations that require custom code and logic beyond what no-code tools offer.
- →Safely running AI-generated scripts in isolated environments with secrets management.
- →Automating workflows that require large datasets, loops, branching, or custom dependencies.
- →Connecting AI agents to external databases, APIs, and services using MCP tools.
- →Self-filing petitioners building an NIW or EB-1A case without full attorney drafting
- →Immigration attorneys speeding up evidence organization and drafting
- →Employers preparing EB-1B outstanding researcher petitions
- →Visa applicants preparing DS-160 answers and interview readiness
- →Creating and manipulating datasets
- →Training small machine learning models
- →Implementing advanced training and inference logic
- →Building applications that require tensor computations
- →Browsing with organized tab groups
- →Using AI assistance while browsing
- →Protecting privacy with a free VPN
- →Multitasking with sidebar apps and split screen
- →Testing websites and web apps across different browsers and operating systems.
- →Running Selenium, Playwright, and Appium automation tests on a scalable cloud infrastructure.
- →Testing mobile applications on real devices.
- →Using AI to debug and analyze test results.
- →Planning, authoring, and evolving tests using natural language with KaneAI.
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