GoogleGemini 2.5 FlashVSGoogleGemini 2.5 Flash-Lite
Our Take
We recommend Gemini 2.5 Flash if you need peak intelligence for reasoning and coding tasks, or the 4.9x cheaper Gemini 2.5 Flash-Lite to optimize your budget for high-volume pipelines. While Gemini 2.5 Flash holds a clear performance lead, it carries a heavy price premium. Choose Gemini 2.5 Flash 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 Flash scored 60.4%, while Gemini 2.5 Flash-Lite scored 41.3%.
Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Gemini 2.5 Flash scored 68.3%, 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 4.9x cheaper than Gemini 2.5 Flash ($0.3/M input, $2.5/M output).
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Benchmarks & Scores
Coding (swe-bench-verified)Winner (+19.1%)
60.4%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+5.8%)
68.3%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$0.85Input: $0.30 | Output: $2.50Context Window
1.05M tokensBenchmarks & 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)4.9x cheaper
$0.17Input: $0.10 | Output: $0.40Context Window
1.05M tokensFrequently Asked Questions about Gemini 2.5 Flash vs Gemini 2.5 Flash-Lite
Gemini 2.5 Flash-Lite is cheaper than Gemini 2.5 Flash. Gemini 2.5 Flash-Lite has a blended cost of $0.17/1M tokens, which is about 4.9x cheaper than Gemini 2.5 Flash at $0.85/1M tokens.
Gemini 2.5 Flash is better for coding tasks on this benchmark. It scores 60.4% 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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