Forall 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 4.3/5 for Forall.
| Feature | Forall | Windsurf (Codeium) |
|---|---|---|
| Rating | β
β
β
β
β 4.3 | β
β
β
β
β―¨ 4.4 |
| Pricing | Free (Open Source) | Free / $15/mo |
| Best For | A coding agent from Astrio that helps developers build correct software by generating spec-driven code alongside machine-checkable proofs. Run it as a full CLI or as an MCP verify-only layer inside Cursor, Claude Code, or Codex. | Free AI code completion and chat assistant |
Detailed Analysis: Forall vs Windsurf (Codeium)
Rating Comparison
Forall scores 4.3/5 while Windsurf (Codeium) scores 4.4/5. both tools are nearly tied in our evaluation, making the choice highly dependent on your specific workflow requirements rather than any clear quality difference.
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, Forall excels at a coding agent from astrio that helps developers build correct software by generating spec-driven code alongside machine-checkable proofs. run it as a full cli or as an mcp verify-only layer inside cursor, claude code, or codex., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Forall stands out with Spec-driven code generation with machine-checkable proofs, Full CLI coding agent β specs, proofs, and workflow in your terminal, MCP verify-only mode β add hosted verification without leaving Cursor, Claude Code, or Codex, Supports TypeScript, Java, and Rust (more languages on the way), Bring-your-own-model (OpenAI / OpenRouter) or a Forall account API key. 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. Forall appeals to users who may have specific niche requirements or budget constraints that forall addresses uniquely. For teams already invested in complementary tools, ecosystem compatibility may be the deciding factor.
Verdict
Both tools scored similarly in our evaluation. We recommend trying both β start with the one that aligns better with your existing workflow, as the "best" choice here is more about personal preference than objective superiority.
Alternatives Worth Considering
While Forall 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.
Forall Overview
Pros
- β’ Spec-driven code generation with machine-checkable proofs
- β’ Full CLI coding agent β specs, proofs, and workflow in your terminal
- β’ MCP verify-only mode β add hosted verification without leaving Cursor, Claude Code, or Codex
- β’ Supports TypeScript, Java, and Rust (more languages on the way)
- β’ Bring-your-own-model (OpenAI / OpenRouter) or a Forall account API key
Cons
- β’ Young project β only TypeScript, Java, and Rust supported so far
- β’ Proof generation adds workflow overhead versus plain codegen
- β’ Requires a Forall account or model API key to start
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, Forall or Windsurf (Codeium)?
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Based on our comprehensive evaluation, Windsurf (Codeium) scores 4.4/5 compared to Forall's 4.3/5. Both are excellent choices with very similar ratings β the decision comes down to your specific needs.
Is Forall free?
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Yes, Forall offers a free tier. Forall is priced at Free (Open Source). For the most up-to-date pricing information, visit the official Forall 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 Forall and Windsurf (Codeium)?
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Forall focuses on a coding agent from astrio that helps developers build correct software by generating spec-driven code alongside machine-checkable proofs. run it as a full cli or as an mcp verify-only layer inside cursor, claude code, or codex., while Windsurf (Codeium) specializes in free ai code completion and chat assistant. Forall costs Free (Open Source) versus Windsurf (Codeium) at Free / $15/mo. Forall stands out with Spec-driven code generation with machine-checkable proofs, Full CLI coding agent β specs, proofs, and workflow in your terminal, MCP verify-only mode β add hosted verification without leaving Cursor, Claude Code, or Codex, Supports TypeScript, Java, and Rust (more languages on the way), Bring-your-own-model (OpenAI / OpenRouter) or a Forall account API key. 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.