GPT-4o Mini is 94.0% cheaper for input tokens ($0.15 vs. $2.50 per 1M tokens) and $0.60 vs. $10.00 for output tokens (16.7x cost advantage). In terms of operational performance, GPT-4o Mini delivers lower response latency at 220ms TTFT (60ms faster than GPT-4o) with 140 vs. 100 tok/s throughput. GPT-4o leads coding evaluations at 48.0% SWE-bench Verified vs. 41.0% for GPT-4o Mini and 53.6% vs. 40.2% on GPQA Diamond.
Verified daily via automated API latency tests and official documentation.
Zero-Shot RAG Verified
Verified Performance & Unit Economics Delta (12 Dimensions)
Daily synchronized metrics across token pricing, prompt cache economics, latency, throughput, and 5 capability benchmarks.
Metric / Dimension
GPT-4o
GPT-4o Mini
Net Delta / Advantage
Input Cost / 1M Tokens
$2.50
$0.15
GPT-4o Mini is 16.7x cheaper
Output Cost / 1M Tokens
$10.00
$0.60
GPT-4o Mini (94.0% lower)
Prompt Cache Read / 1M
$1.250
$0.075
GPT-4o Mini is 16.7x cheaper
Prompt Cache Write / 1M
$2.50
$0.15
GPT-4o Mini is 16.7x cheaper
Context Window (Max Output)
131k (16k out)
131k (16k out)
Equal Context Window
Avg TTFT Response Latency
280ms
220ms
GPT-4o Mini (60ms faster)
Generation Speed (Throughput)
100 tok/s
140 tok/s
GPT-4o Mini (+40 tok/s faster)
SWE-bench Verified (Coding)
48%
41%
GPT-4o (+7.0% lead)
GPQA Diamond (PhD STEM)
53.6%
40.2%
GPT-4o (+13.4% lead)
MMLU-Pro (Multi-Discipline)
75.9%
68%
GPT-4o (+7.9% lead)
MATH-500 (Quantitative Logic)
76.6%
70.2%
GPT-4o (+6.4% lead)
Inference Value Score (IVR)
47.6 / 100
67.2 / 100
GPT-4o Mini (+19.6 pts)
Interactive Monthly Token Economics & ROI Forecaster
Model production workloads across prompt, completion, and cached context tokens, or switch models on the fly.
GPT-4o Mini is cheaper at $0.15/1M input tokens ($0.60/1M output) compared to $2.50/1M input ($10.00/1M output) for GPT-4o.
Which model has lower TTFT latency and higher tok/s throughput: GPT-4o or GPT-4o Mini?
GPT-4o Mini delivers faster first-token latency at 220ms TTFT (140 tok/s throughput) compared to 280ms TTFT (100 tok/s) for GPT-4o.
How do GPT-4o and GPT-4o Mini compare on SWE-bench coding and GPQA Diamond reasoning?
On SWE-bench Verified software engineering, GPT-4o scores 48% versus 41% for GPT-4o Mini. On GPQA Diamond graduate-level STEM reasoning, GPT-4o scores 53.6% versus 40.2% for GPT-4o Mini (and 76.6% vs 70.2% on MATH-500).
When should you choose GPT-4o?
Choose GPT-4o (OpenAI) for general enterprise assistants, multimodal customer support, and structured JSON output pipelines — offering a 131k context window, 280ms TTFT, and $2.50/1M input pricing ($1.250/1M cached reads).
When should you choose GPT-4o Mini?
Choose GPT-4o Mini (OpenAI) for high-volume classification, lightweight RAG chatbots, and structured JSON extraction — offering a 131k context window, 220ms TTFT, and $0.15/1M input pricing ($0.075/1M cached reads).
