Head-to-head
DeepSeek-V4 vs Qwen3
DeepSeek-V4 leads: the AI models rank it above its rival on 1 of the 1 leaderboard they share. Based on how ChatGPT, Claude, Gemini & Grok rank both across the leaderboard they share — re-polled weekly, reasoning shown verbatim.
| Leaderboard | DeepSeek-V4 | Qwen3 |
|---|---|---|
| Best open-weight LLM | #1 / 13 | #3 / 13 |
Why the models rank DeepSeek-V4 — on best open-weight llm
“Offers frontier-level intelligence for coding, reasoning, and agentic workflows with a dual Thinking/Non-Thinking mode under a permissive MIT license, while dramatically reducing KV cache usage.”
Why the models rank Qwen3 — on best open-weight llm
“The most complete open family for application builders — Apache 2.0, sizes from sub-1B to 235B MoE sharing one behavior profile, first-rate multilingual coverage, strong function calling, and the deepest fine-tuning/quantization ecosystem, so one stack scales from edge to server; near-tie with DeepSeek, losing only on peak reasoning quality”
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Ranks from the merged 4-model leaderboards · re-polled weekly · methodology