Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, OpenAI o1-mini delivers higher overall intelligence and human-preferred responses (Elo 1,445 vs 1,335), while OpenAI o1-mini leads in SWE-bench software engineering benchmarks (56.4%), while OpenAI o1-mini is more budget-friendly at $4.4/1M per 1M output tokens, while GPT-4o provides faster response streaming (110 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
Previous OpenAI flagship. Still a common compare baseline on legacy pages.
OpenAI high-speed, cost-effective reasoning model optimized for STEM, math, and code generation.
Δ 110 Arena Elo pts
110 tok/s
$4.4 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
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 | OpenAI o1-mini | Advantage Delta |
|---|---|---|---|
| Preference Elo | OpenAI o1-mini (+110) | ||
| Coding Elo | — | — | |
| LiveBench | OpenAI o1-mini (+7.8%) | ||
| SWE-bench | OpenAI o1-mini (+1.6%) | ||
| GPQA Diamond | OpenAI o1-mini (+3.6%) | ||
| Time to first token | GPT-4o (+100 ms) | ||
| Output speed | 110 tok/s | 85 tok/s | GPT-4o (+25 tok/s) |
| Input price | $2.5/1M | $1.1/1M | OpenAI o1-mini (+$1.4/1M) |
| Output price | $4.4/1M | OpenAI o1-mini (+$5.6/1M) | |
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
OpenAI o1-mini is estimated to save $133.00/month ($1,596/year).
Higher SWE-bench (56.4%).
Lower output list price ($4.4/1M).
Lower TTFT (180 ms).
Larger window (128k).
GPT-4o is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | OpenAI o1-mini | Higher SWE-bench (56.4%). |
| High-volume chat | OpenAI o1-mini | Lower output list price ($4.4/1M). |
| Voice / low-latency UI | GPT-4o | Lower TTFT (180 ms). |
| Long-document RAG | GPT-4o | Larger window (128k). |
| Screenshots / vision | GPT-4o | GPT-4o is the side marked multimodal in the catalog. |
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Verified head-to-head card
