Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, GPT-4o delivers higher overall intelligence and human-preferred responses (Elo 1,335 vs 1,310), while GPT-4o leads in SWE-bench software engineering benchmarks (54.8%), while DeepSeek V3 is more budget-friendly at $1.1/1M 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.
8 direct benchmark disciplines evaluated across capability, speed, and cost
Prior DeepSeek flagship. Baseline for v3 vs v4.
Previous OpenAI flagship. Still a common compare baseline on legacy pages.
Δ 25 Arena Elo pts
110 tok/s
$1.1 / 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 | DeepSeek V3 | GPT-4o | Advantage Delta |
|---|---|---|---|
| Preference Elo | +25 | ||
| LiveBench | +1.2% | ||
| SWE-bench | +6.2% | ||
| GPQA Diamond | +14.1% | ||
| Time to first token | +200 ms | ||
| Output speed | 66 tok/s | 110 tok/s | +44 tok/s |
| Input price | $0.27/1M | $2.5/1M | +$2.23/1M |
| Output price | $1.1/1M | +$8.9/1M | |
| Context window | — |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek V3 is estimated to save $211.55/month ($2,539/year).
Higher SWE-bench (54.8%).
Lower output list price ($1.1/1M).
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 | GPT-4o | Higher SWE-bench (54.8%). |
| High-volume chat | DeepSeek V3 | Lower output list price ($1.1/1M). |
| Voice / low-latency UI | GPT-4o | Lower TTFT (180 ms). |
| Long-document RAG | DeepSeek V3 | Larger window (128k). |
| Screenshots / vision | GPT-4o | GPT-4o is the side marked multimodal in the catalog. |
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