GoogleGemini 2.5 ProVSOpenAIGPT-5.4 mini
Our Take
We recommend GPT-5.4 mini for superior overall value and reasoning capabilities, as it is cheaper or equal in cost while delivering peak intelligence. While GPT-5.4 mini excels at complex complex codebases, multi-file repositories, and architectural planning, Gemini 2.5 Pro is suited for scripting multi-file code and clearly defined tasks. Choose GPT-5.4 mini for architectural codebase planning, or Gemini 2.5 Pro if you specifically require its simpler functions profile.
▶WHY?
Benchmark Calculations & Evidence:
Coding Evaluation: Gemini 2.5 Pro was evaluated on SWE-bench Verified (scoring 59.6%), while GPT-5.4 mini was evaluated on SWE-bench Pro (scoring 54.4%).
Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. GPT-5.4 mini scored 87.5%, while Gemini 2.5 Pro scored 84.4%.
Cost Efficiency: Gemini 2.5 Pro pricing ($1.25/M input, $10/M output) is 0.5x cheaper than GPT-5.4 mini ($0.75/M input, $4.5/M output).
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Benchmarks & Scores
Coding (swe-bench-verified)
59.6%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)
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)
54.4%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+3.1%)
87.5%graduate-level science QA
Cost & Context
Cost (per 1M tokens)2.0x cheaper
$1.69Input: $0.75 | Output: $4.50Context Window
400k tokensFrequently Asked Questions about Gemini 2.5 Pro vs GPT-5.4 mini
GPT-5.4 mini is cheaper than Gemini 2.5 Pro. GPT-5.4 mini has a blended cost of $1.69/1M tokens, which is about 2.0x 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-5.4 mini scores 54.4% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).
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