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| Metric | Metal | Fastly Compute | Candle |
|---|---|---|---|
| Score | B74 | B-69 | D48 |
| Type | Edge | ||
| Execution | aot | aot | jit |
| Interface | sdk | cli | sdk |
| Cold Start | 50ms | 50ms | 300ms |
| Memory | 100MB | 128MB | 200MB |
| Startup | 20ms | 10ms | 50ms |
| Isolation | hardware | container | process |
| Maturity | production | production | stable |
| Languages | Swift, Objective-C, C++ | Rust, JavaScript, AssemblyScript, Go | Rust |
| License | Proprietary | Apache-2.0 | Apache-2.0 |
| Links |