Rankings›Compare›Grok 2 vs Llama 3.1 405B

Grok 2vsLlama 3.1 405B

xAI

Grok 2

xAI's real-time knowledge model

Arena ELO

1235

Context

131K

Speed

92 t/s

Input/1M

Llama 3.1 405B

🏆 Overall Winner

Meta's open-source frontier model

Arena ELO

1247

Context

128K

Speed

45 t/s

Input/1M

$0.9

Capability Radar

Category performance across 6 domains

Benchmark Scores

MMLU · HumanEval · MATH · GSM8K · GPQA · BBH

Grok 2

Pros

✓Real-time X/Twitter data access

✓Integrated image generation (FLUX)

✓Strong GPQA scores

Cons

✗Smaller ecosystem

✗Tied to X/Twitter platform

Llama 3.1 405B

Pros

✓Fully open-source and free to deploy

✓No data leaves your infrastructure

✓Competitive benchmarks

Cons

✗Requires significant compute to self-host

✗No official vendor support

🏆 Our Verdict

Based on overall benchmark averages, Llama 3.1 405B has the edge with an average score of 81.2% across all benchmarks. However, the best choice depends on your use case — Grok 2 excels in real-time x/twitter data access, while Llama 3.1 405B stands out for fully open-source and free to deploy.

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