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tech 8 June 2026

DeepSeek V4 Pro Outperforms GPT-5.5 Pro in Precision

DeepSeek V4 Pro has shown superior precision over GPT-5.5 Pro, particularly in following instructions and handling edge cases.

Article inspired by the original source
DeepSeek V4 Pro beats GPT-5.5 Pro on precision ↗ runtimewire.com

Introduction

In the ever-evolving world of artificial intelligence, each technological advancement reshapes the boundaries of what is possible. Recently, DeepSeek V4 Pro outperformed GPT-5.5 Pro in terms of precision, a crucial area for applications requiring impeccable accuracy. This comparison was highlighted by RuntimeWire, which evaluated these models on several specific tasks.

DeepSeek V4 Pro: A Well-Deserved Winner

According to the RuntimeWire report, DeepSeek V4 Pro won the match with a score of 38.0 against GPT-5.5 Pro's 33.0. This significant difference is attributed to DeepSeek's ability to follow instructions to the letter and effectively solve edge cases. For instance, in the Python log redaction task, DeepSeek used a single regular expression to handle overlapping patterns, avoiding the ordering issues that affected GPT-5.5 Pro.

Instruction Handling

In tasks such as 'vendor-delay-update', DeepSeek strictly adhered to the instructions by simply asking the VP to send daily shortage counts by 4 p.m., without adding extra procedures. In contrast, GPT-5.5 Pro added unnecessary details, demonstrating a drift from the initial expectations.

Schema Compliance

In the meeting notes summary, DeepSeek perfectly followed the required schema, whereas GPT-5.5 Pro introduced errors by adding conditional text and arrays where a single value was expected.

Practical Case Analysis

The test results clearly show that in tasks where precision is essential, even small deviations can lead to significant failures. For example, in the 'python-log-redactor' task, DeepSeek demonstrated its superiority through more precise handling of patterns like email addresses and ticket IDs, ensuring greater reliability.

Conclusion

DeepSeek V4 Pro has proven to be a more disciplined and reliable model, capable of outperforming GPT-5.5 Pro in scenarios requiring rigorous precision. For developers and tech companies, choosing a model with such precision capabilities is crucial to ensuring the quality and reliability of AI applications.

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DeepSeek V4 Pro GPT-5.5 Pro AI precision instruction following schema matching
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