BenchLeader

Gemini 3.7 Flash vs Grok 4.3

Verdict
  • Gemini 3.7 Flash (medium) leads on quality: 64.5 vs 60.7.
  • Gemini 3.7 Flash (medium) is stronger in coding, composite, knowledge, long context, multimodal, reasoning.
  • Grok 4.3 (medium) is stronger in agents & tools, instruction following.
  • They cost about the same ($1.50 per 1M blended).
  • Gemini 3.7 Flash (medium) streams 2.4× faster (272 vs 112 tokens per second).
MetricGemini 3.7 Flash (medium)Grok 4.3 (medium)
BenchLeader Index64.560.7
Coding score68.5
Composite score79.160.3
Knowledge score75.472.1
Long context score68.164.0
Multimodal score69.460.2
Reasoning score63.5
Agents & tools score60.1
Instruction following score80.0
Blended price $/M$1.50$1.56
Output speed272 tok/s112 tok/s
Time to first answer4.6 s12.1 s
Context window1M1M
SciCode57.9%
AA Intelligence Index39.624.8
IFBench83.3%
AA-LCR83.0%75.0%
MMMU-Pro84.7%75.8%
AA-Omniscience23.716.7
Terminal-Bench Hard30.3%
GPQA Diamond (AA)92.1%89.0%
Humanity's Last Exam (AA)39.0%30.0%
SciCode (AA)59.8%
τ²-Bench Telecom (AA)91.2%
ARC-AGI-191.2%
ARC-AGI-263.8%

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

Gemini 3.7 Flash vs Grok 4.3: questions

Is Gemini 3.7 Flash better than Grok 4.3?
Gemini 3.7 Flash (medium) leads on quality: 64.5 vs 60.7. The BenchLeader Index combines every independent quality benchmark; Gemini 3.7 Flash (medium) is ahead overall as of 2026-09-10, but check the category scores for your use.
Which is cheaper, Gemini 3.7 Flash or Grok 4.3?
Gemini 3.7 Flash is cheaper: $1.50 against $1.56 per million tokens, blended at three input tokens per output token.
Which is faster, Gemini 3.7 Flash or Grok 4.3?
Gemini 3.7 Flash streams faster: 272 against 112 output tokens per second.
Which has the larger context window?
Both accept 1M tokens of context.