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xAI: Grok 3 Mini vs DeepSeek: DeepSeek V3.2: Coding Performance with 10 Evaluators

We evaluate the coding capabilities of xAI: Grok 3 Mini and DeepSeek: DeepSeek V3.2 using our expert-led Coding Performance with 10 Evaluators benchmark.

xAI: Grok 3 Mini

2.6

preference score

vs

DeepSeek: DeepSeek V3.2

7.4

preference score

Judges ranked the responses in this Run against each other; the rank is mapped onto a 0–10 scale. It shows which response was preferred, not how good either one is — and it is not a percentage, a pass rate, or a check that the output was correct.

Sample size for this comparison was not recorded. Treat it as directional.

Evidence clarification: this article predates recorded sample provenance. Treat its conclusions as claims about the displayed examples; they do not establish general model superiority, verified correctness, or production suitability.

Key Findings

Top RankDeepSeek: DeepSeek V3.2

Secured the #1 position with an overall score of 7.44.

Cost EfficiencyDeepSeek: DeepSeek V3.2

Achieved a significantly lower total cost per run compared to Grok 3 Mini.

Instruction FollowingDeepSeek: DeepSeek V3.2

Demonstrated higher fidelity to complex coding prompts.

Specifications

SpecxAI: Grok 3 MiniDeepSeek: DeepSeek V3.2
Providerx-aideepseek
Context Length131K164K
Input Price (per 1M tokens)$0.30$0.27
Output Price (per 1M tokens)$0.50$0.40
Tierstandardstandard

Our Verdict

DeepSeek: DeepSeek V3.2 is the clear winner of this coding evaluation, outperforming xAI: Grok 3 Mini in both accuracy and instruction adherence. It offers a more efficient and precise coding experience, making it the superior choice for technical tasks. While Grok 3 Mini provides more verbose outputs, it currently trails in the specific criteria required for high-quality software development.

Overview

In this technical breakdown, we analyze the performance of two prominent LLMs, xAI: Grok 3 Mini and DeepSeek: DeepSeek V3.2, specifically focusing on their coding proficiency. Using the PeerLM platform, we deployed 10 independent evaluators to rank these models across critical software development tasks, including code generation, debugging, and instruction adherence.

Benchmark Results

The results from our Coding Performance with 10 Evaluators suite reveal a clear distinction in how these models handle complex coding prompts. DeepSeek: DeepSeek V3.2 secured the top rank, demonstrating superior alignment with evaluator expectations compared to xAI: Grok 3 Mini.

ModelOverall ScoreAccuracyInstruction Following
DeepSeek: DeepSeek V3.27.447.447.44
xAI: Grok 3 Mini2.562.562.56

Criteria Breakdown

The evaluation centered on two primary pillars: Accuracy and Instruction Following. In the context of coding, Accuracy measures the functional correctness of generated snippets, while Instruction Following assesses the model's ability to adhere to specific architectural constraints or style guides. DeepSeek: DeepSeek V3.2 outperformed Grok 3 Mini significantly, suggesting a more robust training focus on programming-specific patterns and logic.

Cost & Latency

Efficiency is a critical bottleneck in production-grade coding assistants. Below is the cost breakdown for the evaluation runs:

  • DeepSeek: DeepSeek V3.2: Total cost of $0.000447, averaging 146 completion tokens per response.
  • xAI: Grok 3 Mini: Total cost of $0.002496, averaging 1116 completion tokens per response.

While xAI: Grok 3 Mini produced significantly longer responses, DeepSeek: DeepSeek V3.2 proved to be more cost-effective for the specific tasks assigned within this benchmark.

Use Cases

DeepSeek: DeepSeek V3.2 is currently the preferred choice for developers requiring high-precision code generation and strict adherence to complex technical requirements. Its high performance in this trial indicates suitability for automated code review and complex algorithm implementation. xAI: Grok 3 Mini, while ranking lower in this specific suite, may be better suited for tasks requiring verbosity or extended explanation, as evidenced by its higher completion token count per response.

Verdict

Based on our Coding Performance with 10 Evaluators benchmark, DeepSeek: DeepSeek V3.2 is the superior model for coding tasks, providing higher accuracy and better instruction compliance at a lower total cost. Developers looking for a reliable coding partner should prioritize DeepSeek: DeepSeek V3.2 for their workflows.

Backed by real data

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See every response, score, and evaluator judgment behind this comparison. All data from PeerLM's blind evaluation pipeline.

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Methodology

Evaluated using PeerLM's blind evaluation pipeline with 4 responses per model across 2 criteria.