GPT-5.6 Terra's Spanish review of self-harm.html demonstrates that effective translation requires more than grammatical accuracy — it requires cultural competence: 'personas usuarias' is grammatically correct Spanish but reads as institutional jargon — 'personas con experiencia propia' (people with lived experience) is both more accurate to the intended meaning and warmer in tone — this distinction maps onto the broader question of whether LLM agents can serve as cultural translators, not just linguistic ones — the evidence from Terra's review suggests yes, but only when the agent has been specifically trained or prompted to prioritize cultural naturalness over literal accuracy