Compare / Grok 4.20 vs Grok 4.5

Grok 4.20 vs Grok 4.5

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

Grok 4.20
xAI · profile
Grok 4.5
xAI · profile
Results compared
7
Shared sources
3
BenchmarkMetricGrok 4.20Grok 4.5
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 25.738.8
Artificial AnalysisreportedGPQA Diamond% of questions 91.1%93.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 34.5%42.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 69.0%79.3%
tau2-benchreportedConsistency (pass^4)% of tasks 8.2%32.0%
tau2-benchreportedTask success (pass^1)% of tasks 18.0%47.9%
Vending-Bench 2reportedMoney after a yearUS dollars $4,662.85$3,887.43

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.