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xAI: Grok 4 vs Meta: Llama 4 Maverick: Coding Performance with 10 Evaluators

In our latest Coding Performance with 10 Evaluators suite, we compare xAI: Grok 4 vs Meta: Llama 4 Maverick to determine the industry leader in software engineering tasks.

xAI: Grok 4

9.2

preference score

vs

Meta: Llama 4 Maverick

0.8

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

Overall PerformancexAI: Grok 4

xAI: Grok 4 achieved a commanding 9.21 overall score compared to 0.79 for the competitor.

Instruction FollowingxAI: Grok 4

Grok 4 showed superior ability to handle complex, multi-step coding constraints.

Cost-EfficiencyMeta: Llama 4 Maverick

While lower in capability, Llama 4 Maverick is substantially more affordable for simple tasks.

Specifications

SpecxAI: Grok 4Meta: Llama 4 Maverick
Providerx-aimeta-llama
Context Length256K1.0M
Input Price (per 1M tokens)$3.00$0.19
Output Price (per 1M tokens)$15.00$0.65
Tierfrontierstandard

Our Verdict

xAI: Grok 4 is the clear winner for coding tasks, demonstrating high accuracy and excellent instruction following. While Meta: Llama 4 Maverick offers lower costs, it fails to deliver the performance required for complex software development.

Overview

As the demand for AI-assisted software development grows, choosing the right model for code generation, debugging, and architecture design becomes critical. In this evaluation, we compare xAI: Grok 4 vs Meta: Llama 4 Maverick using our proprietary Coding Performance with 10 Evaluators benchmark suite. This comparative analysis focuses on how these models handle complex programming instructions and deliver accurate code snippets in real-world scenarios.

Benchmark Results

The comparative evaluation reveals a significant performance gap between the two models. xAI: Grok 4 emerged as the dominant performer, securing the top rank with an overall score of 9.21. In contrast, Meta: Llama 4 Maverick struggled to meet the rigorous standards of our 10-evaluator panel, resulting in a score of 0.79.

ModelOverall ScoreAccuracyInstruction Following
xAI: Grok 49.219.219.21
Meta: Llama 4 Maverick0.790.790.79

Criteria Breakdown

Our evaluation focused on two primary pillars: Accuracy and Instruction Following. The comparative nature of this study highlights how each model interprets nuanced coding prompts.

  • Accuracy: xAI: Grok 4 demonstrated a superior ability to generate functional, bug-free code. It consistently outperformed Meta: Llama 4 Maverick in logic-heavy tasks and syntax adherence.
  • Instruction Following: When provided with complex constraints—such as specific library requirements or architectural patterns—xAI: Grok 4 maintained strict adherence to the prompt, whereas Meta: Llama 4 Maverick frequently deviated from the requested project structure.

Cost & Latency

Performance comes at a price. While xAI: Grok 4 is the clear winner in capability, it also operates at a higher cost profile compared to the lightweight Meta: Llama 4 Maverick. Below is the breakdown of the resource consumption observed during the 4-response evaluation cycle.

ModelTotal Cost (USD)Cost per Output TokenAvg Completion Tokens
xAI: Grok 4$0.092487$0.016971,363
Meta: Llama 4 Maverick$0.000358$0.00094295

Use Cases

Given the performance disparity, the use cases for these models are distinct:

  • xAI: Grok 4 is highly recommended for enterprise-grade applications, complex codebases, and tasks requiring high reliability and zero-shot accuracy.
  • Meta: Llama 4 Maverick is better suited for lightweight tasks, rapid prototyping, or environments where cost-efficiency and minimal token usage are prioritized over complex reasoning depth.

Verdict

For developers prioritizing code quality and instruction adherence, xAI: Grok 4 is the definitive choice. While Meta: Llama 4 Maverick offers significant cost savings, it does not currently meet the threshold required for reliable, high-level coding assistance in our comparative benchmark.

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.