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Qwen3.5 Plus vs DeepSeek V4 Pro

Qwen3.5 Plus is cheaper on output tokens, while DeepSeek V4 Pro offers a larger context window. Choose Qwen3.5 Plus or DeepSeek V4 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecQwen3.5 PlusDeepSeek V4 Pro
ProviderOpenCode GoOpenCode Go
Input / 1M tokens$0.20$1.74
Output / 1M tokens$1.20$3.48
Context window262K1M
Parameters1.6T
Open weightsNoYes
ReleasedFeb 2026Apr 2026

FAQ

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