Coasty vs Windsurf (Codeium)

Which AI tool is better in 2026? Let's compare.

Quick Verdict

Windsurf (Codeium) wins with a rated score of 4.4/5 vs 3.5/5 for Coasty.

Feature Coasty Windsurf (Codeium)
Rating
★★★⯨☆ 3.5
★★★★⯨ 4.4
Pricing Usage-based: ~$0.05 per /v1/predict call on the marketing page, with self-serve plans Starter $19/mo, Plus $50/mo, Unlimited $99/mo; founders also describe runtime/volume billing for dedicated/enterprise environments (exact pricing not fully nailed down across sources). Free / $15/mo
Best For A computer-use agent API that drives legacy desktop and web apps through screenshots, mouse and keyboard — no API integration needed — so you can automate workflows inside software that has no usable API. Free AI code completion and chat assistant

Detailed Analysis: Coasty vs Windsurf (Codeium)

Rating Comparison

Coasty scores 3.5/5 while Windsurf (Codeium) scores 4.4/5. Windsurf (Codeium) clearly outperforms Coasty in our testing. The 0.9-point gap reflects meaningful differences in feature quality, reliability, and overall user experience.

Pricing & Value

Windsurf (Codeium) offers a free tier while Coasty does not, giving Windsurf (Codeium) an edge for users who want to start without financial commitment.

Feature Comparison

When comparing features, Coasty excels at a computer-use agent api that drives legacy desktop and web apps through screenshots, mouse and keyboard — no api integration needed — so you can automate workflows inside software that has no usable api., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Coasty stands out with Genuine, differentiated wedge: vision-based computer use that works on legacy/black-box apps with no API, no DOM, no per-app integration., Developer-friendly surface: a single REST endpoint plus an MCP server, so it drops into existing agent and CI workflows., Strong reliability story for sensitive workflows: invariant checks, human-approval gates, isolated VMs, and a full replay/audit log., YC S26 backing and a real, shippable product with published pricing and a 1,000+ integration layer., Credible benchmark positioning (OSWorld ~85%) and a sensible land-and-expand vertical (healthcare ops) where mistakes are costly.. Windsurf (Codeium) differentiates itself with Generous free tier, Fast completions, Multi-IDE.

Use Case & Target Audience

Windsurf (Codeium) is best suited for users who prioritize overall quality and are willing to invest in a proven solution. Coasty appeals to users who may have specific niche requirements or budget constraints that coasty addresses uniquely. For teams already invested in complementary tools, ecosystem compatibility may be the deciding factor.

Verdict

Based on our comprehensive analysis, Windsurf (Codeium) is the recommended choice for most users. However, if coasty's specific strengths match your particular needs, it remains a viable alternative worth considering.

Alternatives Worth Considering

While Coasty and Windsurf (Codeium) are both strong contenders in the AI tools space, depending on your specific needs, you may also want to explore other tools in this category. Visit our full category listing for a complete overview of available options, or check our expert rankings for curated recommendations.

Pros

  • Genuine, differentiated wedge: vision-based computer use that works on legacy/black-box apps with no API, no DOM, no per-app integration.
  • Developer-friendly surface: a single REST endpoint plus an MCP server, so it drops into existing agent and CI workflows.
  • Strong reliability story for sensitive workflows: invariant checks, human-approval gates, isolated VMs, and a full replay/audit log.
  • YC S26 backing and a real, shippable product with published pricing and a 1,000+ integration layer.
  • Credible benchmark positioning (OSWorld ~85%) and a sensible land-and-expand vertical (healthcare ops) where mistakes are costly.

Cons

  • Closed-source / proprietary with no public GitHub repository — no LICENSE to inspect and an enterprise-adoption hard gate for teams that require open-source or source access.
  • Benchmark is self-reported (85.60% claimed; an independent source cites ~82.81%), so real-world reliability on your own apps is unverified until you test.
  • Very early stage (YC S26): young company, and the Launch HN drew only ~35 points — modest external traction signal so far.
  • Pricing is described two ways (per-/v1/predict at ~$0.05 and 'runtime/volume' billing), so the exact cost model for production workloads is unclear.
  • Narrow early focus on healthcare ops; fit and support for other verticals is less demonstrated.

Pros

  • Generous free tier
  • Fast completions
  • Multi-IDE

Cons

  • Less powerful than Copilot
  • Newer product

Frequently Asked Questions

Which is better, Coasty or Windsurf (Codeium)?

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Based on our comprehensive evaluation, Windsurf (Codeium) scores 4.4/5 compared to Coasty's 3.5/5. Windsurf (Codeium) is the stronger choice for most users, but Coasty may still be preferable for specific use cases.

Is Coasty free?

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No, Coasty does not currently offer a free tier. Coasty is priced at Usage-based: ~$0.05 per /v1/predict call on the marketing page, with self-serve plans Starter $19/mo, Plus $50/mo, Unlimited $99/mo; founders also describe runtime/volume billing for dedicated/enterprise environments (exact pricing not fully nailed down across sources).. For the most up-to-date pricing information, visit the official Coasty website.

Is Windsurf (Codeium) free?

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Yes, Windsurf (Codeium) offers a free tier. Windsurf (Codeium) is priced at Free / $15/mo. Check the official Windsurf (Codeium) website for the latest pricing details.

What are the main differences between Coasty and Windsurf (Codeium)?

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Coasty focuses on a computer-use agent api that drives legacy desktop and web apps through screenshots, mouse and keyboard — no api integration needed — so you can automate workflows inside software that has no usable api., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Coasty costs Usage-based: ~$0.05 per /v1/predict call on the marketing page, with self-serve plans Starter $19/mo, Plus $50/mo, Unlimited $99/mo; founders also describe runtime/volume billing for dedicated/enterprise environments (exact pricing not fully nailed down across sources). versus Windsurf (Codeium) at Free / $15/mo. Coasty stands out with Genuine, differentiated wedge: vision-based computer use that works on legacy/black-box apps with no API, no DOM, no per-app integration., Developer-friendly surface: a single REST endpoint plus an MCP server, so it drops into existing agent and CI workflows., Strong reliability story for sensitive workflows: invariant checks, human-approval gates, isolated VMs, and a full replay/audit log., YC S26 backing and a real, shippable product with published pricing and a 1,000+ integration layer., Credible benchmark positioning (OSWorld ~85%) and a sensible land-and-expand vertical (healthcare ops) where mistakes are costly.. Windsurf (Codeium) stands out with Generous free tier, Fast completions, Multi-IDE. Your choice should be guided by which tool's strengths align better with your specific workflow requirements.