Skip to content

Gemini 3.5 Flash Lite vs Grok 4.20 Reasoning

Both have similar output pricing, while Grok 4.20 Reasoning offers a larger context window. Choose Gemini 3.5 Flash Lite or Grok 4.20 Reasoning based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGemini 3.5 Flash LiteGrok 4.20 Reasoning
ProviderVercel AI GatewayVercel AI Gateway
Input / 1M tokens$0.30$1.25
Output / 1M tokens$2.50$2.50
Context window1M2M
Parameters——
Open weightsNoNo
ReleasedJul 2026Mar 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.