GoogleGemini 2.5 Flash-LiteVSGoogleGemini 2.5 Pro
Our Take
We recommend Gemini 2.5 Pro if you need peak intelligence for reasoning and coding tasks, or the 19.6x cheaper Gemini 2.5 Flash-Lite to optimize your budget for high-volume pipelines. While Gemini 2.5 Pro holds a clear performance lead, it carries a heavy price premium. Choose Gemini 2.5 Pro for complex logic, or Gemini 2.5 Flash-Lite for budget efficiency.
▶WHY?
Benchmark Calculations & Evidence:
Coding Benchmarks: Both models were evaluated on the SWE-bench Verified benchmark. Gemini 2.5 Pro scored 59.6%, while Gemini 2.5 Flash-Lite scored 41.3%.
Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Gemini 2.5 Pro scored 84.4%, while Gemini 2.5 Flash-Lite scored 62.5%.
Cost Efficiency: Gemini 2.5 Flash-Lite pricing ($0.1/M input, $0.4/M output) is 19.6x cheaper than Gemini 2.5 Pro ($1.25/M input, $10/M output).
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Benchmarks & Scores
Coding (swe-bench-verified)
41.3%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)
62.5%graduate-level science QA
Cost & Context
Cost (per 1M tokens)19.6x cheaper
$0.17Input: $0.10 | Output: $0.40Context Window
1.05M tokensBenchmarks & Scores
Coding (swe-bench-verified)Winner (+18.3%)
59.6%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+21.9%)
84.4%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$3.44Input: $1.25 | Output: $10.00Context Window
1.05M tokensFrequently Asked Questions about Gemini 2.5 Flash-Lite vs Gemini 2.5 Pro
Gemini 2.5 Flash-Lite is cheaper than Gemini 2.5 Pro. Gemini 2.5 Flash-Lite has a blended cost of $0.17/1M tokens, which is about 19.6x cheaper than Gemini 2.5 Pro at $3.44/1M tokens.
Gemini 2.5 Pro is better for coding tasks on this benchmark. It scores 59.6% on swe-bench-verified (multi-file code and clearly defined tasks) compared to Gemini 2.5 Flash-Lite which scores 41.3%.
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