Backend Language

JavaScript vs Rust

JavaScriptRust

18%

82%

Leading: Rust (81.8%)

Insufficient data

This matchup has 11 decisive cases (minimum 30 required for publication).

Metric	Value
JavaScript wins	2
Rust wins	9
Abstains (no tool)	26
Other tool chosen	1029
Decisive cases	11
JavaScript win rate (unweighted)	18.2%
95% CI	5.1% - 47.7%
JavaScript win rate (weighted)	18.2%

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Model range	Tier	JavaScript	Rust	None	Other	A rate
DeepSeek Flash 3.2–4.1	Mid	0	0	0	53	n/a
DeepSeek Pro 4–4 0813	Frontier	0	0	3	51	n/a
DeepSeek R1	Frontier	1	0	5	48	100%
Devstral	Mid	0	0	0	42	n/a
Gemini Flash 2.5–3.8	Small	0	0	0	54	n/a
Gemini Pro 2.5–3.1 Preview	Frontier	1	0	1	52	100%
GLM 5 Turbo–5.3	Frontier	0	0	0	54	n/a
GPT 5.4–6 Astra	Frontier	0	0	0	54	n/a
GPT Coding 5.3 Codex–6.1 Sol	Frontier	0	0	1	53	n/a
GPT Mini 5.4 Mini–6 Luna	Mid	0	0	0	54	n/a
Haiku	Small	0	0	0	54	n/a
Kimi 2.5–3	Frontier	0	0	4	50	n/a
Llama Maverick	Frontier	0	9	6	39	0%
Llama Scout	Small	0	0	0	54	n/a
MiMo Pro 2–2.6	Frontier	0	0	0	54	n/a
MiniMax M 2.7–3	Frontier	0	0	0	54	n/a
Mistral Small	Mid	0	0	0	53	n/a
Opus 4.6–5.5	Frontier	0	0	0	54	n/a
Qwen Coder	Mid	0	0	6	48	n/a
Sonnet 4.6–5.5	Frontier	0	0	0	54	n/a

Prompt	Tier	JavaScript	Rust	None	Other	A rate
full-stack-web-app	Advanced	0	9	1	168	0%
full-stack-web-app	Beginner	2	0	4	172	100%
ai-agent-application	Advanced	0	0	12	164	n/a
ai-agent-application	Beginner	0	0	2	176	n/a
ai-agent-application	Intermediate	0	0	7	171	n/a
full-stack-web-app	Intermediate	0	0	0	178	n/a