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Grok-2 vs Llama 4 Scout

Grok-2 and Llama 4 Scout are closely matched at 11.4 and 7.8 on the LLM Stats Score. Llama 4 Scout is 29.6x cheaper per token.

xAI · Meta · Updated for 2026

Which is better?

Grok-2 and Llama 4 Scout are closely matched on the overall LLM Stats Score at 11.4 and 7.8.

In the 7 individual benchmarks reported for both models, Llama 4 Scout wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Llama 4 Scout is roughly 29.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Llama 4 Scout also accepts a larger context window (10,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-2

  • you want predictable pricing at $2.00/M input and $10.00/M output

Choose Llama 4 Scout

  • you value its reported benchmark strengths — it wins 4 of 7 exact shared results
  • cost matters — it's about 29.6x cheaper per token
  • you process long inputs — it offers a 10,000,000 token context window
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
11.4
#257
7.8
#282
11.4
#254
6.6
#285
9.2
#174
0.4
#239
Cost, coverage & limits
Benchmark wins
3 of 7
4 of 7
Input price
$2.00 / M
$0.08 / M
Output price
$10.00 / M
$0.30 / M
Context window
128,000
10,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

5 shared
Index
Grok-2
Llama 4 Scout
18.2#183
12.8#232
7.4#141
9.8#124
10.7#114
13.0#102
18.6#93
10.2#143
18.6#78
10.2#127
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

8 reported for Grok-2 · 12 for Llama 4 Scout

7 shared

Grok-2 outperforms in 3 benchmarks (MATH, MMLU, MMLU-Pro), while Llama 4 Scout is better at 4 benchmarks (DocVQA, GPQA, MathVista, MMMU).

Llama 4 Scout has a slight edge in benchmark performance.

Mon Sep 14 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Llama 4 Scout costs less

For input processing, Grok-2 ($2.00/1M tokens) is 25.0x more expensive than Llama 4 Scout ($0.08/1M tokens).

For output processing, Grok-2 ($10.00/1M tokens) is 33.3x more expensive than Llama 4 Scout ($0.30/1M tokens).

In conclusion, Grok-2 is more expensive than Llama 4 Scout.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 14 2026 • llm-stats.com
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
Meta
Llama 4 Scout
Input tokens$0.08
Output tokens$0.30
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Llama 4 Scout accepts 10,000,000 input tokens compared to Grok-2's 128,000 tokens. Llama 4 Scout can generate longer responses up to 10,000,000 tokens, while Grok-2 is limited to 8,000 tokens.

xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Meta
Llama 4 Scout
Input10,000,000 tokens
Output10,000,000 tokens
Mon Sep 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-2 and Llama 4 Scout support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-2

Text
Images
Audio
Video

Llama 4 Scout

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-2 is licensed under a proprietary license, while Llama 4 Scout uses Llama 4 Community License Agreement.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-2

Proprietary

Closed source

Llama 4 Scout

Llama 4 Community License Agreement

Open weights

Release Timeline

When each model was launched

Grok-2 was released on 2024-08-13, while Llama 4 Scout was released on 2025-04-05.

Llama 4 Scout is 8 months newer than Grok-2.

Grok-2

Aug 13, 2024

2.1 years ago

Llama 4 Scout

Apr 5, 2025

1.4 years ago

7mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Grok-2 is available from xAI. Llama 4 Scout is available from DeepInfra, Lambda, Novita, Groq, Fireworks, Together.

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

Llama 4 Scout

deepinfra logo
Deepinfra
Input Price:Input: $0.08/1MOutput Price:Output: $0.30/1M
lambda logo
Lambda
Input Price:Input: $0.08/1MOutput Price:Output: $0.30/1M
novita logo
Novita
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
groq logo
Groq
Input Price:Input: $0.11/1MOutput Price:Output: $0.34/1M
fireworks logo
Fireworks
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
together logo
Together
Input Price:Input: $0.18/1MOutput Price:Output: $0.59/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Grok-2 and Llama 4 Scout side-by-side, then vote on the output you prefer.

Grok-2
✓ Preferred
Llama 4 Scout
Open in Playground

FAQ

Common questions about Grok-2 vs Llama 4 Scout.

Which is better, Grok-2 or Llama 4 Scout?

Grok-2 and Llama 4 Scout are closely matched on the LLM Stats Score at 11.4 and 7.8. Grok-2 is made by xAI and Llama 4 Scout is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok-2 compare to Llama 4 Scout in benchmarks?

Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%. Llama 4 Scout scores DocVQA: 94.4%, MGSM: 90.6%, ChartQA: 88.8%, MMLU: 79.6%, MMLU-Pro: 74.3%.

Is Grok-2 cheaper than Llama 4 Scout?

Llama 4 Scout is 25.0x cheaper for input tokens. Grok-2 costs $2.00/M input and $10.00/M output via xai. Llama 4 Scout costs $0.08/M input and $0.30/M output via deepinfra.

What are the context window sizes for Grok-2 and Llama 4 Scout?

Grok-2 supports 128K tokens and Llama 4 Scout supports 10.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-2 and Llama 4 Scout?

Key differences include LLM Stats Score (11.4 vs 7.8), context window (128K vs 10.0M), input pricing ($2.00 vs $0.08/M), licensing (Proprietary vs Llama 4 Community License Agreement). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-2 and Llama 4 Scout?

Grok-2 is developed by xAI and Llama 4 Scout is developed by Meta.