Wasmtime Pricing 2026
Plans, hidden costs, and alternatives compared
Cite this data: Toolradar, Wasmtime pricing verified Oct 2026, toolradar.com/tools/wasmtime/pricing
Wasmtime is free.
Verified Oct 2026 from the official pricing page.
Is Wasmtime worth the price?
Wasmtime's pricing is exceptionally generous as it is entirely free.
This makes it an incredibly accessible and fair option for anyone looking to utilize a fast and secure WebAssembly runtime without any financial commitment. It's best for developers and organizations of all sizes who need a robust WebAssembly solution without budget constraints.
Pricing Plans
Wasmtime
Free
- Fast runtime for WebAssembly
- Secure (Rust's runtime safety, RFC process, 24/7 fuzzing, security policy)
- Configurable (CPU and memory consumption)
- WASI support
- Standards Compliant (WebAssembly test suite, official C API, future proposals)
- Language Support (Rust, C, C++, Python, .NET, Go, Ruby)
How Wasmtime compares
5 of 6 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Wasmtime | Free | Yes |
| WinterJS | Free | Yes |
| Supabase Edge Functions | $25/month, billing unit not specified | Yes |
| Layer0 | No public price | No |
| Cloudflare Workers | $5/month, billing unit not specified | Yes |
| Netlify | $9/month, billing unit not specified | Yes |
| Vercel Edge Functions | $20/month, billing unit not specified | Yes |
Wasmtime Pricing FAQ
How much does Wasmtime cost?
Wasmtime is free to use. No subscription or one-time fee is required for the core product.
Does Wasmtime have a free plan?
Yes. Wasmtime offers a free plan called "Wasmtime". It includes: Fast runtime for WebAssembly, Secure (Rust's runtime safety, RFC process, 24/7 fuzzing, security policy), Configurable (CPU and memory consumption).
What are alternatives to Wasmtime?
Alternatives to Wasmtime include WinterJS, Supabase Edge Functions, Layer0, Cloudflare Workers. WinterJS is fully free. Supabase Edge Functions starts at $25/month, billing unit not specified; Cloudflare Workers starts at $5/month, billing unit not specified; Netlify starts at $9/month, billing unit not specified.
Wasmtime alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Wasmtime pricing: wasmtime.dev (verified Oct 2026)
- Cite this data: Toolradar, Wasmtime pricing verified Oct 2026, toolradar.com/tools/wasmtime/pricing
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