Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, OpenAI: o1 delivers higher overall intelligence and human-preferred responses (Elo 1,512 vs 1,490), while Claude Opus 4 leads in SWE-bench software engineering benchmarks (72.5%), while OpenAI: o1 is more budget-friendly at $60/1M per 1M output tokens, while Claude Opus 4 provides faster response streaming (58 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
8 benchmarks evaluated across capability, speed, and cost
First Claude 4 Opus generation. Baseline for opus 4 vs opus 5.
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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 22 Arena Elo pts
58 tok/s
$60 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability 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 | Claude Opus 4 | OpenAI: o1 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +22 | ||
| Coding Elo | +17 | ||
| LiveBench | +1.4% | ||
| SWE-bench | +23.6% | ||
| GPQA Diamond | +2.4% | ||
| Time to first token | +30 ms | ||
| Output speed | 58 tok/s | 45 tok/s | +13 tok/s |
| Input price | — | ||
| Output price | +$15/1M | ||
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
OpenAI: o1 is estimated to save $225.00/month ($2,700/year).
Higher SWE-bench (72.5%).
Lower output list price ($60/1M).
Lower TTFT (390 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (OpenAI: o1).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude Opus 4 | Higher SWE-bench (72.5%). |
| High-volume chat | OpenAI: o1 | Lower output list price ($60/1M). |
| Voice / low-latency UI | Claude Opus 4 | Lower TTFT (390 ms). |
| Long-document RAG | Claude Opus 4 | Larger window (200k). |
| Screenshots / vision | OpenAI: o1 | Both accept images. Defaulting to the higher-Elo side (OpenAI: o1). |
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