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Models/grok-4-5

Grok 4.5

19th on DeepSWE v1.1 Best (high) at 53.8%.

xAI · Proprietary · Fetched 2026-10-10

LMArena WebDev
1553
#46 / 153 · ±7
The Slop Index
72
#3 / 58
EQ-Bench Creative Writing v3
1575.7
#57 / 146

Benchmark scores

Boards older than 90 days are not counted as recommendations
BenchmarkSettingScoreRankCostAs of
LMArena WebDev—1553±7#46—2026-10-27
The Slop Index—72#3—2026-10-28
EQ-Bench Creative Writing v3—1575.7#57—2026-10-29
Convex Evals2 runs77.68#14$1.582026-10-28
DeepSWE v1.1high · mini-swe-agent53.851.5–56.0#19$2.422026-09-22
SWE-bench Verified—This board has stopped updating——2026-02-26
Aider Polyglot—This board has stopped updating——2025-11-20

Use it or not

Why
  • Still has a checkable long-horizon engineering score on DeepSWE.
When not
  • Behind Grok 4.6 in the same family; do not merge the rows.

Appears in these scenarios

Collected from scenario boards
Build a Web frontend#19DeepSWE 53.8%Build an Android app#19DeepSWE 53.8%Write CLI, scripts, and DevOps#19DeepSWE 53.8%Write docs & copy#3Slop Index 72

Peers

ModelWebDevPrice $/M
Grok 4.5Current1553—Claude Opus 4.81556—