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gemini-2.5-flash-preview-05-20 vs Gemini 3 Flash Thinking

Gemini 3 Flash Thinking is cheaper on output tokens. Choose gemini-2.5-flash-preview-05-20 or Gemini 3 Flash Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Specgemini-2.5-flash-preview-05-20Gemini 3 Flash Thinking
ProviderJiekou.AINanoGPT
Input / 1M tokens$0.14$0.50
Output / 1M tokens$3.15$3.00
Context window1M1M
Parameters——
Open weightsNoNo
ReleasedJan 2026Dec 2025
Aider Polyglot score55.1—
LiveBench score—73.0

FAQ

Is gemini-2.5-flash-preview-05-20 or Gemini 3 Flash Thinking cheaper?

Gemini 3 Flash Thinking is cheaper on output tokens ($3.00 vs $3.15 per 1M).

Which has the larger context window, gemini-2.5-flash-preview-05-20 or Gemini 3 Flash Thinking?

Both models offer a similar context window.

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