A case for Go as the best language for AI agents
Role of static typing & compile-time checks
- Many argue that pushing more checks to compile time helps agents: fewer runtime surprises, clearer feedback loops, and easier automated refactoring.
- Go, Rust, Haskell, OCaml, TypeScript, and C# are cited as good targets because compilers and linters catch many errors that LLMs routinely make.
- Counterpoint: benchmarks (e.g., AutoCodeBench) show that “more static” doesn’t automatically mean better LLM performance; Rust in particular scores mid-tier despite its strong types.
- Some note that for human‑in‑the‑loop workflows, dynamic languages can be fine since you can quickly rerun and patch errors.
Go-specific pros and cons
- Pros mentioned: simple syntax, one main way to do things, fast compilation, stable APIs, strong tooling (formatter, vet, golangci-lint, govulncheck), easy static binaries, and limited framework churn.
- govulncheck is highlighted for symbol-level vulnerability checking, though it’s clarified that it analyzes usage of known-vulnerable libraries, not arbitrary logic bugs.
- Go’s uniform style and lack of advanced abstraction features are seen as a plus for LLM predictability and human review.
- Criticisms: verbose error handling (
if err != nil), comparatively weak type system, no enforced purity, and APIs that are easier to misuse than in Rust or richer FP languages.
Comparisons with other languages
- Rust: praised for safety, expressive types, excellent compiler errors, and unit tests colocated with code; criticized for slow builds, complex lifetimes, ecosystem churn, and heavy dependency graphs.
- Python: wins on ML tooling and ecosystem; loses on runtime safety, dynamic typing, and messy historical code corpus.
- TypeScript: strongly promoted by some as the ideal mix of static types, massive training data, and web‑ecosystem alignment.
- Others mentioned positively: Haskell, OCaml, Clojure, Elixir, F#, C#, Java, D; often framed as theoretically strong but with less training data or more ecosystem complexity.
Training data, ecosystem, and benchmarks
- Volume and “purity” of training data are seen as critical: Go’s boring, uniform code vs Python’s huge but noisy corpus.
- Some research and anecdotal tests suggest LLMs currently perform better in C#/Elixir than in Rust or Go, challenging claims that Go is empirically “best.”
Agent workflows and practical experience
- Several report strong real‑world success with Go for agent tooling, but others see better results with Python, TypeScript, Ruby/Rails, or Haskell.
- One view: language choice is less important than agent architecture—state management, error handling, observability, and tool orchestration dominate performance.