DeepSeek V4 Pro beats GPT-5.5 Pro on precision
DeepSeek V4 Pro edged GPT-5.5 Pro on precision, schema adherence, and instruction following.
RuntimeWire compared DeepSeek V4 Pro and GPT-5.5 Pro across four fresh text tasks, with DeepSeek winning 38.0 to 33.0. The article highlights DeepSeek’s stronger handling of regex edge cases, workplace-update constraints, and exact JSON schema compliance. GPT-5.5 Pro remained capable, but lost points for avoidable deviations, extra process details, and minor structural mismatches.
This RuntimeWire article is a head-to-head model test that argues DeepSeek V4 Pro outperforms GPT-5.5 Pro on accuracy, with a total score of 38.0 to 33.0. The test consists of 4 text tasks generated on the spot, scored by grok-4-1-fast-non-reasoning. The article's core observation is not that DeepSeek comprehensively overwhelms GPT-5.5 Pro across all abilities, but that in tasks requiring strict adherence to constraints, maintaining schema, and handling edge cases, DeepSeek V4 Pro less often extends on its own or deviates from the requirements.
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