BenchLeader

GPT-6 Sol vs Grok 4.6

Verdict
  • GPT-6 Sol (max) leads on quality: 67.7 vs 65.2.
  • GPT-6 Sol (max) is stronger in composite, long context, multimodal, reasoning.
  • Grok 4.6 (medium) is stronger in knowledge, agents & tools, coding.
  • Grok 4.6 (medium) is 1.3× cheaper ($3.00 vs $4.00 per 1M blended).
  • GPT-6 Sol (max) streams 2.1× faster (126 vs 59 tokens per second).
MetricGPT-6 Sol (max)Grok 4.6 (medium)
BenchLeader Index67.765.2
Composite score86.280.6
Knowledge score75.475.8
Long context score67.766.3
Multimodal score67.1
Reasoning score95.066.4
Agents & tools score73.3
Coding score63.1
Blended price $/M$4.00$3.00
Output speed126 tok/s59 tok/s
Time to first answer107.2 s27.5 s
Context window1.1M500k
SciCode54.6%
AA Intelligence Index47.542.8
AA-LCR83.7%81.0%
MMMU-Pro83.3%
AA-Omniscience27.128
GPQA Diamond (AA)93.5%
Humanity's Last Exam (AA)47.9%42.1%
SciCode (AA)57.6%55.9%
ARC-AGI-187.5%
ARC-AGI-261.3%
CritPt30.9%17.7%
GDPval (AA)49.4%55.2%
τ²-Bench Banking (AA)44.3%
DeepSWE67.5%
CursorBench36.1%
Terminal-Bench 4.0 (AA)43.9%13.1%
Terminal-Bench 2.1 (AA)84.3%
AutomationBench61.6%
GDP.pdf24.8%
MLCR16.1%
AA-Omniscience: accuracy54.5%41.9%
AA-Omniscience: non-hallucination39.9%76.0%
AA-Briefcase1483

Data as of 2026-09-23. Best configuration of each model; every score links to its source on the model pages.

GPT-6 Sol vs Grok 4.6: questions

Is GPT-6 Sol better than Grok 4.6?
GPT-6 Sol (max) leads on quality: 67.7 vs 65.2. The BenchLeader Index combines every independent quality benchmark; GPT-6 Sol (max) is ahead overall as of 2026-09-23, but check the category scores for your use.
Which is cheaper, GPT-6 Sol or Grok 4.6?
Grok 4.6 is cheaper: $3.00 against $4.00 per million tokens, blended at three input tokens per output token.
Which is faster, GPT-6 Sol or Grok 4.6?
GPT-6 Sol streams faster: 126 against 59 output tokens per second.
Which has the larger context window?
GPT-6 Sol accepts more context: 1.1M against 500k tokens.