Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
This page compares DeepSeek V4 Pro (DeepSeek) and Kwaipilot: KAT-Coder-Pro V2 (kwaipilot) using the latest snapshots we have as of Aug 17, 2026. Kwaipilot: KAT-Coder-Pro V2 wins on output price at $1.2/1M. 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.
kwaipilot
Kwaipilot: KAT-Coder-Pro V2Auto-discovered from OpenRouter (kwaipilot/kat-coder-pro-v2). Preview until a second source matches.
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.
No shared data
No shared data
$2.76/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
Kwaipilot: KAT-Coder-Pro V2 is estimated to save $77.10/month ($925/year).
Need SWE-bench on both sides.
Lower output list price ($1.2/1M).
Need TTFT on both sides.
Larger window (1M).
Kwaipilot: KAT-Coder-Pro V2 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | Kwaipilot: KAT-Coder-Pro V2 | Lower output list price ($1.2/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | DeepSeek V4 Pro | Larger window (1M). |
| Screenshots / vision | Kwaipilot: KAT-Coder-Pro V2 | Kwaipilot: KAT-Coder-Pro V2 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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The real PNG is generated at /compare/deepseek-v4-pro-vs-kat-coder-pro-v2/opengraph-image for crawlers.
Verified head-to-head card
