GoogleGemini 2.5 ProVSOpenAIGPT-5 mini
Our Take
We recommend Gemini 2.5 Pro if you need peak intelligence for complex multi-file code and clearly defined tasks, or the 5.0x cheaper GPT-5 mini if your workflow is limited to complex codebases, multi-file repositories, and architectural planning. While Gemini 2.5 Pro holds a major reasoning advantage, GPT-5 mini is optimized for high-volume budget pipelines. Choose Gemini 2.5 Pro for multi-file code and clearly defined tasks, or GPT-5 mini to maximize your budget for basic scripts.
▶WHY?
Benchmark Calculations & Evidence:
Coding Evaluation: Gemini 2.5 Pro was evaluated on SWE-bench Verified (scoring 59.6%), while GPT-5 mini was evaluated on SWE-bench Pro (scoring 45.7%).
Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Gemini 2.5 Pro scored 84.4%, while GPT-5 mini scored 81.6%.
Cost Efficiency: GPT-5 mini pricing ($0.25/M input, $2/M output) is 5.0x cheaper than Gemini 2.5 Pro ($1.25/M input, $10/M output).
Was this recommendation helpful?
Benchmarks & Scores
Coding (swe-bench-verified)
59.6%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+2.8%)
84.4%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$3.44Input: $1.25 | Output: $10.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
45.7%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
81.6%graduate-level science QA
Cost & Context
Cost (per 1M tokens)5.0x cheaper
$0.69Input: $0.25 | Output: $2.00Context Window
400k tokensFrequently Asked Questions about Gemini 2.5 Pro vs GPT-5 mini
GPT-5 mini is cheaper than Gemini 2.5 Pro. GPT-5 mini has a blended cost of $0.69/1M tokens, which is about 5.0x cheaper than Gemini 2.5 Pro at $3.44/1M tokens.
For coding tasks, Gemini 2.5 Pro scores 59.6% on swe-bench-verified (multi-file code and clearly defined tasks), while GPT-5 mini scores 45.7% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).
Related Matchups
Explore similar comparisons for Gemini 2.5 Pro and GPT-5 mini.
Do you want to find a model for your constraints?
Use our interactive model finder to filter LLMs by reasoning capability, coding performance, cost, and context length.