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Grok 4.3 (Non-reasoning) vs Gemini 2.5 Flash-Lite (Non-reasoning)

xAI vs Google — side-by-side benchmark comparison

Grok 4.3 (Non-reasoning)Gemini 2.5 Flash-Lite (Non-reasoning)
Intelligence Index31.012.7
Coding Index25.17.4
Math Index35.3
Output speed (tok/s)143.7294.2
Blended price ($/1M)$1.56$0.17
Time to first token (s)0.42s0.34s
aime50.0%
aime 2535.3%
artificial analysis coding index25.107.40
artificial analysis intelligence index31.0012.70
artificial analysis math index35.30
gpqa65.8%47.4%
hle6.5%3.7%
ifbench47.6%31.5%
lcr24.7%31.3%
livecodebench40.0%
math 50092.6%
mmlu pro72.4%
scicode37.4%17.7%
tau265.8%19.0%
terminalbench hard18.9%2.3%

Benchmark data from Artificial Analysis.