GPT-4o Mini vs OpenAI o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: GPT-4o Mini or OpenAI o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | GPT-4o Mini | OpenAI o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $0.15 | $1.10 | GPT-4o Mini is 7.3x cheaper |
| Output Cost / 1M Tokens | $0.60 | $4.40 | GPT-4o Mini (86.4% lower) |
| Prompt Cache Read / 1M | $0.075 | $0.550 | GPT-4o Mini is 7.3x cheaper |
| Prompt Cache Write / 1M | $0.15 | $1.10 | GPT-4o Mini is 7.3x cheaper |
| Avg TTFT Response Latency | 220ms | 1250ms | GPT-4o Mini (+1030ms faster) |
| SWE-bench Verified (Coding) | 41% | 49.3% | OpenAI o3-mini (+8.3% lead) |
| Inference Value Score (IVR) | 70.6 / 100 | 58.2 / 100 | GPT-4o Mini (+12.4 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$0.15/1M in · $0.60/1M out
Prompt Cache: $0.075/1M read · $0.15/1M write
$1.10/1M in · $4.40/1M out
Prompt Cache: $0.550/1M read · $1.10/1M write
When to Choose GPT-4o Mini
Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and have an infrastructure budget aligned with $0.15/1M tokens.
When to Choose OpenAI o3-mini
Choose o3-mini when you need High-throughput, cost-efficient STEM reasoning, mathematics, and competitive coding pipelines. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.
Related Questions & Decision Factors
Which is cheaper: GPT-4o Mini or OpenAI o3-mini?
GPT-4o Mini is cheaper at $0.15/1M input tokens compared to $1.10/1M for OpenAI o3-mini.
Which model has lower latency: GPT-4o Mini or OpenAI o3-mini?
GPT-4o Mini delivers faster response times with an average TTFT of 220ms vs 1250ms for OpenAI o3-mini.
When should you choose GPT-4o Mini?
Choose GPT-4o Mini when you need Ultra-affordable, low-latency multimodal model optimized for high-volume customer queries, fine-tuning, and structured JSON extraction. and have an infrastructure budget aligned with $0.15/1M tokens.
When should you choose OpenAI o3-mini?
Choose o3-mini when you need High-throughput, cost-efficient STEM reasoning, mathematics, and competitive coding pipelines. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.