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Qwen Long vs DeepSeek V3

DeepSeek V3 is cheaper on output tokens, while Qwen Long offers a larger context window. Choose Qwen Long or DeepSeek V3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecQwen LongDeepSeek V3
ProviderAlibaba (China)DeepSeek
Input / 1M tokens$0.07$0.14
Output / 1M tokens$0.29$0.28
Context window10M164K
Parameters—671B
Open weightsNoYes
ReleasedJan 2025Dec 2025
GPQA Diamond score—67.6
FrontierMath score—1.7
Epoch Capabilities Index score—136
SWE-bench Verified score—42.0
LMArena (Chatbot Arena) Elo score—1375

FAQ

Is Qwen Long or DeepSeek V3 cheaper?

DeepSeek V3 is cheaper on output tokens ($0.28 vs $0.29 per 1M).

Which has the larger context window, Qwen Long or DeepSeek V3?

Qwen Long has the larger context window (10M tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.