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GPT-4o vs Gemini 3.5 Flash

Gemini 3.5 Flash is cheaper on output tokens, while Gemini 3.5 Flash offers a larger context window. Choose GPT-4o or Gemini 3.5 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-4oGemini 3.5 Flash
ProviderAbacusAbacus
Input / 1M tokens$2.50$1.50
Output / 1M tokens$10.00$9.00
Context window128K1M
Parameters——
Open weightsNoNo
ReleasedMay 2024May 2026

FAQ

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