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Llama 4 Scout vs Grok 4

Meta vs xAI. Specs, benchmarks, and real per-task cost — all in one page.

Verdict

Grok 4 leads on LMSYS ELO (1358 vs 1265). Llama 4 Scout is ~16.2× cheaper on a 3:1 input:output blend. Llama 4 Scout is open-weights, the other is proprietary.

Meta

Llama 4 Scout

The 70B workhorse open-weight. Fits on a single H100, beloved by self-hosters.

Single-GPU deployableDirt cheap on aggregatorsStrong fine-tuning base

xAI

Grok 4

xAI’s latest. Real-time X search integration, strong on current events and meme-literate tasks.

Live web/X accessPersonalityFast inference on Colossus

Pricing

Input / 1M$0.35$5.00

Output / 1M$0.80$15.00

Context128K256K

Max output8K32K

LicenseOpen weightsProprietary

Released2025-12-102026-03-01

Benchmarks

LMSYS ELO1265.01358.0

MMLU Pro77.286.2

HumanEval82.488.4

MATH72.586.5

IFEval84.185.0

Per-task cost

Summarize a 1-hour meeting transcript$0.0057$0.082

Review a 500-line pull request$0.0044$0.070

Answer a customer support ticket$0.0017$0.027

Extract structured data from a resume$0.0026$0.040

Debug a stack trace with context$0.0037$0.060

Per-call cost using published token counts for each task. Real-world prompts vary.

Tool

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