Tests foundational and intermediate knowledge of the OCaml programming language, including syntax, module system, type system, mutability, and standard library conventions.
Scorer: Factuality
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| # | score | model | cost price | ttft | total tok |
|---|---|---|---|---|---|
| 1 | 92% | qwen/qwen3-coder-next | $0.00006 $0.12 / $0.80 per 1M | 0.68s | 146.6 |
| 2 | 70% | gpt-5.4-mini | $0.00008 $0.75 / $4.50 per 1M | 0.80s | 85.5 |
| 3 | 56% | ministral-3b-2512 | $0.00001 $0.10 / $0.10 per 1M | 0.19s | 121.1 |
Prompts
- Given the record definition `type point = { mutable x : int; mutable y : int }` and a value `p : poi…
- In modern OCaml, `string` values are immutable sequences of bytes. Which standard type is used for m…
- In OCaml, what type does the compiler assign to the expression `ref []` due to the value restriction…
- In OCaml, which operator is used for structural equality (comparing values by their contents) rather…
- In the OCaml module system, what is a functor? A) A higher-order function that maps over an option o…
- Introduced in OCaml 5.0, which language mechanism provides native support for structured non-local c…
- What is the inferred return type of the infinite non-terminating expression `let rec loop () = loop …
- What is the standard OCaml list constructor operator used to prepend an element `x` to a list `xs`? …
- What is the type signature of `List.fold_left` in OCaml's standard library? A) ('a -> 'b -> 'a) -> '…
- Which keyword in OCaml is used to define an explicit module signature or interface type within sourc…