Compare / GPT-5.4 vs grok-4-1-fast

GPT-5.4 vs grok-4-1-fast

3 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.

GPT-5.4
OpenAI · profile
grok-4-1-fast
xAI · profile
Results compared
3
Shared sources
2
BenchmarkMetricGPT-5.4grok-4-1-fast
Arena (formerly LMArena)reportedOverallArena rating 1,1951,194
tau2-benchreportedConsistency (pass^4)% of tasks 21.6%5.2%
tau2-benchreportedTask success (pass^1)% of tasks 39.4%13.1%

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.