Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, OpenAI o3-mini delivers higher overall intelligence and human-preferred responses (Elo 1,560 vs 1,488), while OpenAI o3-mini leads in SWE-bench software engineering benchmarks (78.5%), while OpenAI o3-mini is more budget-friendly at $4.4/1M per 1M output tokens, while Grok 4 provides faster response streaming (98 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
OpenAI cost-efficient reasoning model with adjustable thinking effort and top coding benchmark scores.
Currently comparing Grok 4 vs OpenAI o3-mini. Alternative family tiers available.
Simulate accuracy gains vs added response time & token cost
Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.
Δ 72 Arena Elo pts
98 tok/s
$4.4 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Grok 4 | OpenAI o3-mini | Advantage Delta |
|---|---|---|---|
| Preference Elo | +72 | ||
| Coding Elo | — | — | |
| LiveBench | +8.3% | ||
| SWE-bench | +19.9% | ||
| GPQA Diamond | +8.2% | ||
| Time to first token | +60 ms | ||
| Output speed | 98 tok/s | 92 tok/s | +6 tok/s |
| Input price | $1.1/1M | +$1.9/1M | |
| Output price | $4.4/1M | +$10.6/1M | |
| Context window | +56k |
Simulate monthly production API costs in USD (US Dollar).
OpenAI o3-mini is estimated to save $225.50/month ($2,706/year).
Higher SWE-bench (78.5%).
Lower output list price ($4.4/1M).
Lower TTFT (230 ms).
Larger window (256k).
Grok 4 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | OpenAI o3-mini | Higher SWE-bench (78.5%). |
| High-volume chat | OpenAI o3-mini | Lower output list price ($4.4/1M). |
| Voice / low-latency UI | Grok 4 | Lower TTFT (230 ms). |
| Long-document RAG | Grok 4 | Larger window (256k). |
| Screenshots / vision | Grok 4 | Grok 4 is the side marked multimodal in the catalog. |
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/grok-4-vs-o3-mini/opengraph-image
Verified Head-to-Head Telemetry