WeavePrism

DeepSeek V3.2 vs GPT-5.1

DeepSeek V3.2 costs 91% less at typical usage ($0.32 vs $3.44 per 1M tokens). GPT-5.1 scores higher on 11 of 11 tasks.

SpecDeepSeek V3.2GPT-5.1
Input /1M$0.28$1.25
Output /1M$0.42$10.0
Typical /1M$0.32$3.44
Context window128k400k
SpeedBriskBrisk
PrivacySelf-hostStandard
Open weightsYesNo
DeepSeek V3.2
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)
GPT-5.1
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding89/94
Agents85/93
Reasoning90/96
Writing84/92
Chat85/93
Classify84/88
Extract85/89
Summarize86/91
Translate85/90
Vision30/94
General86/94

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Also compare DeepSeek V3.2

Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.