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Benchmarks › xAI › Grok
xAIclosed weightsSupersededReasoning

Grok 4.20

Multi-agent variant available.

Released
Mar 10, 2026
Price in / out
$1.25 / $2.5
Blended $/1M
$1.56
Context
1M

Benchmark scoresvs Grok 4

BenchmarkScoreRank (current)Source
Terminal-Bench 2.1
44.2%#20 of 21benchlm.ai ↗
SWE-bench Verified
76.7%#5 of 9benchlm.ai ↗
GPQA Diamond
88.5%#9 of 11benchlm.ai ↗
ARC-AGI-2
53.3%#10 of 10benchlm.ai ↗

Grok versions

Timeline
Version$ in / outTerminal-BenchSWE-benchGPQAHLEARC-AGI-2τ²-bench
Grok 4Superseded$3 / $15——87.5%25.4%15.9%74.9%
Grok 4.1Superseded$3 / $15——————
Grok 4.20Superseded$1.25 / $2.544.2%76.7%88.5%—53.3%—
Grok 4.3Superseded$1.25 / $2.541.9%——35%—97.7%
Grok 4.5Superseded$2 / $667.8%———52.6%—
Grok 4.6Superseded$2 / $678.3%———67.1%—
Grok 4.7$2 / $673.4%—————