Pairwise benchmark snapshot · Aug 16, 2026
This page compares DeepSeek V4 Pro (DeepSeek) and OpenAI o1-mini (OpenAI) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, DeepSeek V4 Pro is ahead by 91 points (1,536 vs 1,445; seed-bootstrap (Aug 1, 2026)). On SWE-bench coding, DeepSeek V4 Pro resolves 71.6% versus 56.4% (seed-bootstrap (Aug 1, 2026)). OpenAI o1-mini streams faster (85 tok/s) while DeepSeek V4 Pro is the cheaper output token ($0.87/1M). DeepSeek V4 Pro has the larger context window (1M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.
DeepSeek
DeepSeek V4 ProOpen-weight-adjacent DeepSeek flagship. High reasoning density per dollar.
OpenAI
OpenAI o1-miniOpenAI high-speed, cost-effective reasoning model optimized for STEM, math, and code generation.
Instant pairwise benchmark recalculation across 400+ LLMs
Category wins across intelligence, speed, and pricing efficiency.
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
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
91 pts advantage
15 tok/s faster
$3.53/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
DeepSeek V4 Pro is estimated to save $76.23/month ($915/year).
Higher SWE-bench (71.6%).
Lower output list price ($0.87/1M).
Lower TTFT (280 ms).
Larger window (1M).
DeepSeek V4 Pro is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek V4 Pro | Higher SWE-bench (71.6%). |
| High-volume chat | DeepSeek V4 Pro | Lower output list price ($0.87/1M). |
| Voice / low-latency UI | OpenAI o1-mini | Lower TTFT (280 ms). |
| Long-document RAG | DeepSeek V4 Pro | Larger window (1M). |
| Screenshots / vision | DeepSeek V4 Pro | DeepSeek V4 Pro is the side marked multimodal in the catalog. |
Top DeepSeek vs top Anthropic Elo. Usually V4 Pro vs Opus 5. License and invoice decide as much as Elo.
2026-06 open-weight-adjacent flagship. The usual cheap-vs-Claude question starts here.
Jan 2025 reasoning model. Still searched. V4 Pro is the newer DeepSeek buy.
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Verified head-to-head card
