Google
Gemini 3.5 Flash
VS
xAI
Grok 4.20
Decision Recommendation
⚖️ Trade-off decision: Choose Gemini 3.5 Flash if you need the absolute highest accuracy for complex logic and coding. Choose Grok 4.20 if you want to optimize your budget, as it is 1.1x cheaper.
Model Specs
Gemini 3.5 Flash
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+3.3%)
55.1%Reasoning (gpqa-diamond)Winner (+2.2%)
92.2%Cost & Performance
Cost (per 1M tokens)
$3.38Input: $1.50 | Output: $9.00Speed1.2x faster
280 tpsContext Window
1M tokensModel Specs
Grok 4.20
Benchmarks & Scores
Coding (swe-bench-pro)
51.8%Reasoning (gpqa-diamond)
90%Cost & Performance
Cost (per 1M tokens)1.1x cheaper
$3.00Input: $2.00 | Output: $6.00Speed
233 tpsContext Window
1M tokensWant to customize weights or add more models?
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