Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Grok 3 delivers higher overall intelligence and human-preferred responses (Elo 1,405 vs 1,272), while Grok 3 leads in SWE-bench software engineering benchmarks (51.4%), while GPT-4o mini is more budget-friendly at $0.6/1M per 1M output tokens. 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
Legacy small OpenAI model. Useful as a cheap baseline.
Previous xAI generation before Grok 4. Kept for grok 3 vs grok 4.
Currently comparing GPT-4o mini vs Grok 3. Alternative family tiers available.
Δ 133 Arena Elo pts
160 tok/s
$0.6 / 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 | GPT-4o mini | Grok 3 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +133 | ||
| LiveBench | +12.1% | ||
| SWE-bench | +10.2% | ||
| GPQA Diamond | +14.1% | ||
| Time to first token | +120 ms | ||
| Output speed | 160 tok/s | 88 tok/s | +72 tok/s |
| Input price | $0.15/1M | +$2.85/1M | |
| Output price | $0.6/1M | +$14.4/1M | |
| Context window | +3k |
Simulate monthly production API costs in USD (US Dollar).
GPT-4o mini is estimated to save $315.75/month ($3,789/year).
Higher SWE-bench (51.4%).
Lower output list price ($0.6/1M).
Lower TTFT (130 ms).
Larger window (131k).
Both accept images. Defaulting to the higher-Elo side (Grok 3).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Grok 3 | Higher SWE-bench (51.4%). |
| High-volume chat | GPT-4o mini | Lower output list price ($0.6/1M). |
| Voice / low-latency UI | GPT-4o mini | Lower TTFT (130 ms). |
| Long-document RAG | Grok 3 | Larger window (131k). |
| Screenshots / vision | Grok 3 | Both accept images. Defaulting to the higher-Elo side (Grok 3). |
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/gpt-4o-mini-vs-grok-3/opengraph-image
Verified Head-to-Head Telemetry
