BenchLeader

Claude Opus 5 vs Grok 4.7

Verdict
  • Claude Opus 5 (high) leads on quality: 70.2 vs 65.8.
  • Claude Opus 5 (high) is stronger in agents & tools, coding, composite, human preference, knowledge, long context, maths, multimodal.
  • Grok 4.7 (high) is stronger in reasoning.
  • Grok 4.7 (high) is 3.3× cheaper ($3.00 vs $10.00 per 1M blended).
MetricClaude Opus 5 (high)Grok 4.7 (high)
BenchLeader Index70.265.8
Agents & tools score66.0
Coding score71.9
Composite score89.887.5
Human preference score69.8
Knowledge score80.072.6
Long context score65.964.8
Maths score72.3
Multimodal score67.6
Reasoning score75.676.4
Blended price $/M$10.00$3.00
Output speed59 tok/s55 tok/s
Time to first answer14.4 s1.4 s
Context window1M500k
Terminal-Bench50.3%
OSWorld-Verified 2.029.0%
SciCode54.3%
WeirdML91.6%
LMArena Text1493
LMArena Hard Prompts1517
LMArena Coding1533
LMArena WebDev1660
LMArena Vision1321
LMArena Agent10.2
AA Intelligence Index48.146.3
AA-LCR79.0%77.0%
MMMU-Pro82.4%
AA-Omniscience33.730.9
GPQA Diamond (AA)93.7%
Humanity's Last Exam (AA)52.8%42.3%
SciCode (AA)55.4%57.8%
LegalBench85.1%
ARC-AGI-197.5%
ARC-AGI-288.3%
ARC-AGI-330.2%
CritPt28.3%18.0%
GDPval (AA)54.0%59.7%
τ²-Bench Banking (AA)44.7%
Code Migration34.7%
Excel Modeling Benchmark54.9%
Harvey's Legal Agent Benchmark19.6%
Legal Research Bench39.9%
MedCode48.7%
MedScribe87.2%
ProgramBench0.0%
Public Benefits Bench68.5%
SAGE31.0%
LMArena Maths1525
LMArena Creative Writing1474
LMArena Instruction Following1499
LMArena Multi-turn1484
LMArena Longer Queries1508
LMArena Document1490
DeepSWE72.8%
CursorBench66.7%
ALE-Bench2164.6

Data as of 2026-09-21. Best configuration of each model; every score links to its source on the model pages.

Claude Opus 5 vs Grok 4.7: questions

Is Claude Opus 5 better than Grok 4.7?
Claude Opus 5 (high) leads on quality: 70.2 vs 65.8. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5 (high) is ahead overall as of 2026-09-21, but check the category scores for your use.
Which is cheaper, Claude Opus 5 or Grok 4.7?
Grok 4.7 is cheaper: $3.00 against $10.00 per million tokens, blended at three input tokens per output token.
Which is faster, Claude Opus 5 or Grok 4.7?
Claude Opus 5 streams faster: 59 against 55 output tokens per second.
Which has the larger context window?
Claude Opus 5 accepts more context: 1M against 500k tokens.