Windsurf 1.5

Coding at the speed of thought. "Deep Cascade" realizes an AI-native IDE with extreme autonomy and responsiveness - Detailed Analysis Report

Last Surveyed: January 31, 2026

Windsurf 1.5

Codeium | Released: November 2025

💰 Usage Fee (Pro) $15 / month (Unlimited)
🔗 Free Tier Free (Limited Daily Uses)
🆓 Free Credits Available (Initial credits provided)
⚡ Inference Structure Codeium Deep Cascade v2
💻 Specialization Lightning-Fast Dev / Refactoring / Immersion
👁️ Unique Features Flow State / Action Tracking
🤝 Context Full Project / Deep Repo Analysis

👤 AI Persona

Windsurf Persona

"The cool surfer moving at light speed"

⭐ Overall Rating

✨ Unique Features

  • Deep Cascade: The heart of Windsurf. Understands project-wide dependencies and design philosophies at a deep level. An agent engine that is one step ahead, dramatically reducing inaccurate fixes.
  • Flow State: Through thorough optimization, AI response latency is nearly zero. It doesn't give humans a chance to feel they are "waiting," maintaining the development flow state to the extreme.
  • Windsurf Tab: High-performance multi-line code completion. It predicts your next "step" from your typing, materializing complex logic without breaking your train of thought.
  • Action Tracking: Transparently tracks all changes made by the AI, terminal commands executed, and files read. A sense of security from always knowing "what is progressing."

📈 Benchmark Comparison

🆚 vs Cursor

Response SpeedWindsurf Dominates
Monthly CostWindsurf is $5 Cheaper
Feature MaturityCursor Leads

🆚 vs Antigravity

Editor UtilityWindsurf is Excellent
Browser AutonomyAntigravity
StabilityWindsurf

📝 Executive Summary

Windsurf is an AI-native IDE developed by the Codeium team that pursues "world-class speed."

If Cursor is a "heavy and multi-functional fortress," Windsurf is a "light surfboard crossing the sea." Its greatest strength lies in its overwhelming response speed, which strips away the latency between human and AI cooperation to the limit. It is an energetic development environment as of 2026 that frees developers from the stress of "waiting for AI" and allows them to manipulate large codebases freely while maintaining high thought purity.

💰 Pricing Details

  • Free: 25 high-precision prompts per month for free. A sufficient frame for trying basic coding experiences.
  • Pro: $15/month. Unlimited Cascade use and fast inference. Strong price competitiveness against Cursor Pro ($20).
  • Teams: $30/user/month. Adds proprietary document learning and collaboration features within the team.

🎯 Key Benchmark Results

Functional Metric Evaluation Features
Response Speed 9.8 / 10 Industry-leading class
Context Accuracy Excellent High-precision extraction by the Cascade engine
Cost-Performance Best Overwhelming cost-performance at $15/month

✅ Pros and Cons

👍 Pros

  • AI keeps up with the speed of thought, providing another dimension of lightness and responsiveness.
  • Precise context grasping by "Cascade." Safe and quick refactoring across multiple files.
  • Strategic pricing at $15/month. The most user-friendly choice for individual developers.

👎 Cons

  • Autocomplete behavior differs from Cursor, requiring some adaptation at first.
  • Fewer specialized "gadgets" beyond the IDE framework, like Antigravity's "browser autonomous operation."
  • Feature additions are incredibly fast, but some parts of the settings menu are struggling to keep up with the organization.

💭 Reddit User Sentiment

Positive Reviews 4.3 / 5.0
Source: Analysis of 180 posts from r/Windsurf and r/Codeium

Positive Comments

"I switched from Cursor, and this lightning-fast response is addictive. Maintaining my train of thought is the greatest value."
"It's a steal to have unlimited Cascade use at this level for $15 a month. Efficiency in team development has skyrocketed."

Negative Comments

"Sometimes the completion suggestions miss the mark. There are moments when I feel Copilot is more 'thoughtful'."
"It's evolving at an amazing speed, but there are so many features that documentation for mastering them is always lacking."

🎯 Recommended Use Cases

  1. Large-scale Refactoring - Safe and rapid code improvement leveraging deep context understanding by Cascade.
  2. Fast Product Launching - Breaking through massive boilerplate while maintaining the speed of thought.
  3. Cost-conscious AI IDE Adoption - Individual developers or startups wanting the highest intelligence with minimal investment.

📊 Conclusion & Overall Rating

Overall Rating: ⭐⭐⭐⭐ (4.3/5.0)

Windsurf is the IDE for developers who choose "speed" without hesitation.

While it may cede some ground to Cursor in terms of functional depth, it more than compensates with its comfort and overwhelming responsiveness that doesn't break the rhythm of work. A sense of unity like "surfing the waves with AI" rather than just "using AI as a tool." This "Flow" experience, available from $15 a month, can be called the ultimate employee benefit for modern and future engineers.