GPT-5 mini
GPT-5.5
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GPT-5.5 is the premium intelligence choice, scoring 12.9% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: GPT-5 mini is 16.4x cheaper to run and delivers 1.2x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GPT-5 mini offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GPT-5.5 fully justifies the cost.
GPT-5 mini
Benchmarks & Scores
Cost & Performance
GPT-5.5
Benchmarks & Scores
Cost & Performance
Frequently Asked Questions
GPT-5 mini is cheaper than GPT-5.5. GPT-5 mini has a blended cost of $0.69/1M tokens, which is about 16.4x cheaper than GPT-5.5 at $11.25/1M tokens.
GPT-5 mini is faster than GPT-5.5. GPT-5 mini generates 86 tokens per second (tps) compared to GPT-5.5 which generates 72.7 tokens per second.
GPT-5.5 is better for coding tasks. It scores 58.6% on coding evaluations (swe-bench-pro) compared to GPT-5 mini which scores 45.7%.
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