DeepSeekDeepSeek V4 ProVSOpenAIGPT-5 mini
Our Take
We recommend DeepSeek V4 Pro if you need peak intelligence for reasoning and coding tasks, or the 3.2x cheaper GPT-5 mini to optimize your budget for high-volume pipelines. While DeepSeek V4 Pro holds a clear performance lead, it carries a heavy price premium. Choose DeepSeek V4 Pro for complex logic, or GPT-5 mini for budget efficiency.
▶WHY?
Benchmark Calculations & Evidence:
Coding Benchmarks: Both models were evaluated on the SWE-bench Pro benchmark. DeepSeek V4 Pro scored 52.1%, while GPT-5 mini scored 45.7%.
Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. DeepSeek V4 Pro scored 88%, while GPT-5 mini scored 81.6%.
Cost Efficiency: GPT-5 mini pricing ($0.25/M input, $2/M output) is 3.2x cheaper than DeepSeek V4 Pro ($1.74/M input, $3.48/M output).
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Benchmarks & Scores
Coding (swe-bench-pro)Winner (+6.4%)
52.1%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+6.4%)
88%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$2.17Input: $1.74 | Output: $3.48Context 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)3.2x cheaper
$0.69Input: $0.25 | Output: $2.00Context Window
400k tokensFrequently Asked Questions about DeepSeek V4 Pro vs GPT-5 mini
GPT-5 mini is cheaper than DeepSeek V4 Pro. GPT-5 mini has a blended cost of $0.69/1M tokens, which is about 3.2x cheaper than DeepSeek V4 Pro at $2.17/1M tokens.
DeepSeek V4 Pro is better for coding tasks on this benchmark. It scores 52.1% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning) compared to GPT-5 mini which scores 45.7%.
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