Grok 4 vs Llama 3.1 Instruct 8B: The Ultimate Performance & Pricing Comparison

Deep dive into reasoning, benchmarks, and latency insights.

The Final Verdict in the Grok 4 vs Llama 3.1 Instruct 8B Showdown

After a comprehensive analysis, Grok 4 emerges as the superior choice for users prioritizing raw intelligence and reasoning. However, Llama 3.1 Instruct 8B remains a highly competitive option, especially for scenarios demanding faster response times and cost-efficiency. This detailed Grok 4 vs Llama 3.1 Instruct 8B comparison will break down every critical metric to help you make the best decision.

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Model Snapshot

Key decision metrics at a glance.

Grok 4

xAI

Reasoning: 9
Coding: 4
Multimodal: 3
Long Context: 5
Blended Price / 1M tokens: $0.006
P95 Latency: 1000ms
Tokens per second: 35.332tokens/sec

Llama 3.1 Instruct 8B

Overall Capabilities

The capability radar provides a holistic view of the Grok 4 vs Llama 3.1 Instruct 8B matchup. This chart illustrates each model's strengths and weaknesses at a glance, forming a cornerstone of our Grok 4 vs Llama 3.1 Instruct 8B analysis.

This radar chart visually maps the core capabilities (reasoning, coding, math proxy, multimodal, long context) of `Grok 4` vs `Llama 3.1 Instruct 8B`.

Benchmark Breakdown

For a granular look, this chart directly compares scores across standardized benchmarks. In the critical MMLU Pro test, a key part of the Grok 4 vs Llama 3.1 Instruct 8B debate, Grok 4 scores 90 against Llama 3.1 Instruct 8B's 10. This data-driven approach is essential for any serious Grok 4 vs Llama 3.1 Instruct 8B comparison.

This grouped bar chart provides a side-by-side comparison for each benchmark metric.

Speed & Latency

Speed is a crucial factor in the Grok 4 vs Llama 3.1 Instruct 8B decision for interactive applications. The metrics below highlight the trade-offs you should weigh before shipping to production.

Time to First Token

Grok 4300ms

Llama 3.1 Instruct 8B300ms

Tokens per Second

Grok 435.332

Llama 3.1 Instruct 8B169.393

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The Economics of Grok 4 vs Llama 3.1 Instruct 8B

Power is only one part of the equation. This Grok 4 vs Llama 3.1 Instruct 8B pricing analysis gives you a true sense of value.

Pricing Breakdown

Compare input and output pricing at a glance.

Real-World Cost Scenario

To process 1M input tokens and generate 250k output tokens, Grok 4 would cost $0.007, whereas Llama 3.1 Instruct 8B would cost $0.000. This practical calculation is vital for any developer considering the Grok 4 vs Llama 3.1 Instruct 8B choice.

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Which Model Wins the Grok 4 vs Llama 3.1 Instruct 8B Battle for You?

Choose Grok 4 if...

Your top priority is raw performance and capability.

You are working in a technical or scientific field requiring the highest accuracy.

Cost is a secondary concern to power in your Grok 4 vs Llama 3.1 Instruct 8B decision.

Choose Llama 3.1 Instruct 8B if...

You need a highly responsive model for user-facing applications.

Your budget is a primary consideration in the Grok 4 vs Llama 3.1 Instruct 8B choice.

You are developing at scale where operational costs are critical.

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Your Questions about the Grok 4 vs Llama 3.1 Instruct 8B Comparison

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Data source: https://artificialanalysis.ai/