OpenAI GPT-4o vs o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: OpenAI GPT-4o or o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | OpenAI GPT-4o | o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $2.50 | $1.10 | o3-mini is 2.3x cheaper |
| Output Cost / 1M Tokens | $10.00 | $4.40 | o3-mini (127.3% lower) |
| Avg TTFT Response Latency | 280ms | 1200ms | OpenAI GPT-4o (+920ms faster) |
| SWE-bench Verified (Coding) | 38.8% | 49.3% | o3-mini (+10.5% lead) |
| Inference Value Score (IVR) | 45.5 / 100 | 77 / 100 | o3-mini (+31.5 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$2.5/1M in · $10/1M out
$1.1/1M in · $4.4/1M out
When to Choose OpenAI GPT-4o
Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and have an infrastructure budget aligned with $2.50/1M tokens.
When to Choose o3-mini
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.
Related Questions & Decision Factors
Which is cheaper: OpenAI GPT-4o or o3-mini?
o3-mini is cheaper at $1.10/1M input tokens compared to $2.50/1M for OpenAI GPT-4o.
Which model has lower latency: OpenAI GPT-4o or o3-mini?
OpenAI GPT-4o delivers faster response times with an average TTFT of 280ms vs 1200ms for o3-mini.
When should you choose OpenAI GPT-4o?
Choose OpenAI GPT-4o when you need General multimodal assistant applications, consumer chat interfaces, and enterprise knowledge workers. and have an infrastructure budget aligned with $2.50/1M tokens.
When should you choose o3-mini?
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.