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Gemini 3.8 Flash vs GPT-5.4

Gemini 3.8 Flash is cheaper on output tokens, while GPT-5.4 offers a larger context window. Choose Gemini 3.8 Flash or GPT-5.4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGemini 3.8 FlashGPT-5.4
ProviderDevPass (LLM Gateway)DevPass (LLM Gateway)
Input / 1M tokens$0.75$2.50
Output / 1M tokens$3.75$15.00
Context window1M1.1M
Parameters——
Open weightsNoNo
ReleasedSep 2026Mar 2026

FAQ

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