Model comparison

Gemini 2.5 Flash vs Gemini 3 Flash Preview

Compare Google: Gemini 2.5 Flash (Google) and Google: Gemini 3 Flash Preview (Google) by price, context, capabilities, and latency.

Which should you pick?

  • Price: Google: Gemini 2.5 Flash is cheaper ($0.043 / 1M tokens input / $0.362 / 1M tokens output) vs Google: Gemini 3 Flash Preview ($0.072 / 1M tokens input / $0.434 / 1M tokens output).

Side by side

Google: Gemini 2.5 Flash vs Google: Gemini 3 Flash Preview — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Google: Gemini 2.5 Flashgoogle/gemini-2.5-flashGoogle$0.043 / 1M tokens$0.362 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1000-3000msCatalogPlatform curated
Google: Gemini 3 Flash Previewgoogle/gemini-3-flash-previewGoogle$0.072 / 1M tokens$0.434 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1000-3000msCatalogPlatform curated

FAQ

Google: Gemini 2.5 Flash vs Google: Gemini 3 Flash Preview FAQ

Is Google: Gemini 2.5 Flash or Google: Gemini 3 Flash Preview cheaper?

Google: Gemini 2.5 Flash is cheaper ($0.043 / 1M tokens input / $0.362 / 1M tokens output) vs Google: Gemini 3 Flash Preview ($0.072 / 1M tokens input / $0.434 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Google: Gemini 2.5 Flash or Google: Gemini 3 Flash Preview?

Both offer the same context window: 1M tokens.

Google: Gemini 2.5 Flash vs Google: Gemini 3 Flash Preview for Vision: which should I pick?

Both target Vision. Pick Google: Gemini 2.5 Flash to optimize cost, or Google: Gemini 2.5 Flash for the longer context window. Test both on real prompts before committing production traffic.