Millwright 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 4/5 for Millwright.
| Feature | Millwright | Windsurf (Codeium) |
|---|---|---|
| Rating | β
β
β
β
β 4 | β
β
β
β
β―¨ 4.4 |
| Pricing | Free (Open Source) | Free / $15/mo |
| Best For | An open-source, self-hosted LLM router in a single Rust binary. It sits between your AI apps and model providers, routing each request to the lowest-cost healthy model your policy allows β with cache-aware affinity and spend control. | Free AI code completion and chat assistant |
Detailed Analysis: Millwright vs Windsurf (Codeium)
Rating Comparison
Millwright scores 4/5 while Windsurf (Codeium) scores 4.4/5. Windsurf (Codeium) holds a modest lead over Millwright. While the gap is noticeable, Millwright remains a solid contender and may still be the better fit depending on your priorities.
Pricing & Value
Both tools offer free tiers, lowering the barrier to entry. However, comparing their paid plans β Free (Open Source) vs Free / $15/mo β reveals different value propositions depending on your usage scale.
Feature Comparison
When comparing features, Millwright excels at an open-source, self-hosted llm router in a single rust binary. it sits between your ai apps and model providers, routing each request to the lowest-cost healthy model your policy allows β with cache-aware affinity and spend control., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Millwright stands out with Self-hosted LLM router in one Rust binary β no hosted control plane, Policy-controlled routing across cheap, mid, and frontier roles, Cache-aware session affinity to protect prompt-cache reuse, Accepts OpenAI Chat Completions and Anthropic Messages; routes to OpenAI-compatible, Anthropic, or Bedrock, Spend ledger (SQLite default, PostgreSQL for prod) with routing provenance. 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. Millwright appeals to users who may have specific niche requirements or budget constraints that millwright 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 millwright's specific strengths match your particular needs, it remains a viable alternative worth considering.
Alternatives Worth Considering
While Millwright 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.
Millwright Overview
Pros
- β’ Self-hosted LLM router in one Rust binary β no hosted control plane
- β’ Policy-controlled routing across cheap, mid, and frontier roles
- β’ Cache-aware session affinity to protect prompt-cache reuse
- β’ Accepts OpenAI Chat Completions and Anthropic Messages; routes to OpenAI-compatible, Anthropic, or Bedrock
- β’ Spend ledger (SQLite default, PostgreSQL for prod) with routing provenance
Cons
- β’ Early release (v0.1.0) β the API may shift
- β’ Router only β does not orchestrate agents or inspect prompts
- β’ Requires Rust 1.97+ to build from source
Windsurf (Codeium) Overview
Pros
- β’ Generous free tier
- β’ Fast completions
- β’ Multi-IDE
Cons
- β’ Less powerful than Copilot
- β’ Newer product
Frequently Asked Questions
Which is better, Millwright or Windsurf (Codeium)?
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Based on our comprehensive evaluation, Windsurf (Codeium) scores 4.4/5 compared to Millwright's 4/5. Windsurf (Codeium) is the stronger choice for most users, but Millwright may still be preferable for specific use cases.
Is Millwright free?
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Yes, Millwright offers a free tier. Millwright is priced at Free (Open Source). For the most up-to-date pricing information, visit the official Millwright 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 Millwright and Windsurf (Codeium)?
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Millwright focuses on an open-source, self-hosted llm router in a single rust binary. it sits between your ai apps and model providers, routing each request to the lowest-cost healthy model your policy allows β with cache-aware affinity and spend control., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Millwright costs Free (Open Source) versus Windsurf (Codeium) at Free / $15/mo. Millwright stands out with Self-hosted LLM router in one Rust binary β no hosted control plane, Policy-controlled routing across cheap, mid, and frontier roles, Cache-aware session affinity to protect prompt-cache reuse, Accepts OpenAI Chat Completions and Anthropic Messages; routes to OpenAI-compatible, Anthropic, or Bedrock, Spend ledger (SQLite default, PostgreSQL for prod) with routing provenance. 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.