BenchLeader

Claude Opus 4.7 vs Grok 4.7

Verdict
  • Grok 4.7 (high) leads on quality: 65.8 vs 64.5.
  • Claude Opus 4.7 is stronger in agents & tools, coding, human preference, maths, multimodal.
  • Grok 4.7 (high) is stronger in knowledge, reasoning, composite, long context.
  • Grok 4.7 (high) is 3.3× cheaper ($3.00 vs $10.00 per 1M blended).
MetricClaude Opus 4.7Grok 4.7 (high)
BenchLeader Index64.565.8
Agents & tools score67.5
Coding score64.7
Human preference score69.0
Knowledge score62.372.6
Maths score67.6
Multimodal score67.7
Reasoning score66.576.4
Composite score87.5
Long context score64.8
Blended price $/M$10.00$3.00
Output speed53 tok/s55 tok/s
Time to first answer1.6 s1.4 s
Context window1M500k
Humanity's Last Exam36.2%
Terminal-Bench80.2%
SimpleBench61.7%
WeirdML76.4%
FrontierCode38.5%
GSO-Bench44.1%
Epoch Capabilities Index156.3
LMArena Text1494
LMArena Hard Prompts1519
LMArena Coding1547
LMArena WebDev1557
LMArena Vision1318
AA Intelligence Index46.3
AA-LCR77.0%
AA-Omniscience30.9
Humanity's Last Exam (AA)42.3%
SciCode (AA)57.8%
AIME (Vals)96.3%
LiveCodeBench85.1%
MMLU-Pro89.9%
LegalBench85.3%85.1%
CorpFin66.1%
TaxEval75.3%
Terminal-Bench 2.1 (Vals)68.5%
SWE-bench (Vals)82.0%
GPQA Diamond (Vals)90.2%
Vals Index56.1
HiL-Bench41.7%
EQ-Bench 41311
Kagi LLM Benchmark73.3%
CritPt18.0%
GDPval (AA)59.7%
CaseLaw v268.4%
Code Migration43.9%34.7%
CyberBench52.1%
Excel Modeling Benchmark63.7%54.9%
Finance Agent v251.5%
Harvey's Legal Agent Benchmark6.7%19.6%
Legal Research Bench38.5%39.9%
MedCode54.9%48.7%
MedScribe83.0%87.2%
MMMU-Pro (Vals)85.5%
MortgageTax70.3%
ProgramBench0.0%0.0%
Public Benefits Bench68.5%
SAGE56.1%31.0%
Terminal-Bench 2.0 (Vals)68.5%
Vals Multimodal Index67.4%
Vibe Code Bench v1.171.0%
SWE Atlas: Codebase QnA40.3%
SWE Atlas: Refactoring48.6%
SWE Atlas: Test Writing38.5%
LMArena Maths1491
LMArena Creative Writing1481
LMArena Instruction Following1493
LMArena Multi-turn1515
LMArena Longer Queries1507
LMArena Search1212
LMArena Document1494
Mystery Game Puzzles13.0%
ExploitBench26.5%
ForecastBench59.6%
GBAEval43.8%
ALE-Bench1323.0
Vending-Bench 210936.8
Blueprint-Bench 224.5%

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

Claude Opus 4.7 vs Grok 4.7: questions

Is Claude Opus 4.7 better than Grok 4.7?
Grok 4.7 (high) leads on quality: 65.8 vs 64.5. The BenchLeader Index combines every independent quality benchmark; Grok 4.7 (high) is ahead overall as of 2026-09-21, but check the category scores for your use.
Which is cheaper, Claude Opus 4.7 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 4.7 or Grok 4.7?
Grok 4.7 streams faster: 55 against 53 output tokens per second.
Which has the larger context window?
Claude Opus 4.7 accepts more context: 1M against 500k tokens.