Grok 3 vs o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Grok 3 or o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Grok 3 | o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $3.00 | $1.10 | o3-mini is 2.7x cheaper |
| Output Cost / 1M Tokens | $15.00 | $4.40 | o3-mini (240.9% lower) |
| Avg TTFT Response Latency | 850ms | 1200ms | Grok 3 (+350ms faster) |
| SWE-bench Verified (Coding) | 58.5% | 49.3% | Grok 3 (+9.2% lead) |
| Inference Value Score (IVR) | 45.9 / 100 | 77 / 100 | o3-mini (+31.1 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$3/1M in · $15/1M out
$1.1/1M in · $4.4/1M out
When to Choose Grok 3
Choose Grok 3 when you need Frontier scientific reasoning, real-time web exploration, and advanced mathematical problem solving. and have an infrastructure budget aligned with $3.00/1M 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: Grok 3 or o3-mini?
o3-mini is cheaper at $1.10/1M input tokens compared to $3.00/1M for Grok 3.
Which model has lower latency: Grok 3 or o3-mini?
Grok 3 delivers faster response times with an average TTFT of 850ms vs 1200ms for o3-mini.
When should you choose Grok 3?
Choose Grok 3 when you need Frontier scientific reasoning, real-time web exploration, and advanced mathematical problem solving. and have an infrastructure budget aligned with $3.00/1M 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.