grok-4.3 edges gpt-5.4 in a narrow, format-first fight

The scoreline says it all: grok 4.3 wins 36.0 to 34.0 , and this was not a blowout. It was a precision contest, and grok 4.3 simply made fewer avoidable mistakes where the prompt’s constraints mattered most. The split is clean. gpt 5.4 took python redact logs by being more robust on regex boundaries and invalid IPv4 handling — the better engineering answer, full stop. But grok 4.3 answered back on status update delay and meeting notes summary , and those wins were about compliance, not style ...