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GPT-4 vs Grok-2 mini

GPT-4 and Grok-2 mini are closely matched at 3.0 and 8.6 on the LLM Stats Score.

OpenAI · xAI · Updated for 2026

Which is better?

GPT-4 and Grok-2 mini are closely matched on the overall LLM Stats Score at 3.0 and 8.6.

In the 4 individual benchmarks reported for both models, Grok-2 mini wins 3; this is a narrower head-to-head signal than the composite indexes.

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

Choose GPT-4

  • you want predictable pricing at $30.00/M input and $60.00/M output

Choose Grok-2 mini

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • you want the most recent training data — it shipped Aug 2024

At a glance

The differences that matter most.

Core performance indexes
3.0
#310
8.6
#277
3.0
#302
8.2
#274
-5.2
#260
5.9
#194
Cost, coverage & limits
Benchmark wins
1 of 4
3 of 4
Input price
$30.00 / M
— / M
Output price
$60.00 / M
— / M
Context window
32,768

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-4
Grok-2 mini
8.5#258
15.8#211
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for GPT-4 · 8 for Grok-2 mini

4 shared

GPT-4 outperforms in 1 benchmarks (MMLU), while Grok-2 mini is better at 3 benchmarks (GPQA, HumanEval, MATH).

Grok-2 mini shows notably better performance in the majority of benchmarks.

Thu Sep 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-4 specifies input context (32,768 tokens). Only GPT-4 specifies output context (32,768 tokens).

OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
xAI
Grok-2 mini
Input- tokens
Output- tokens
Thu Sep 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-4 and Grok-2 mini support multimodal inputs.

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

GPT-4

Text
Images
Audio
Video

Grok-2 mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-4

Proprietary

Closed source

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 was released on 2023-06-13, while Grok-2 mini was released on 2024-08-13.

Grok-2 mini is 14 months newer than GPT-4.

GPT-4

Jun 13, 2023

3.3 years ago

Grok-2 mini

Aug 13, 2024

2.1 years ago

1.2yr newer

Knowledge Cutoff

When training data ends

GPT-4 has a documented knowledge cutoff of 2022-12-31, while Grok-2 mini's cutoff date is not specified.

We can confirm GPT-4's training data extends to 2022-12-31, but cannot make a direct comparison without Grok-2 mini's cutoff date.

GPT-4

Dec 2022

Grok-2 mini

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

GPT-4
✓ Preferred
Grok-2 mini
Open in Playground

FAQ

Common questions about GPT-4 vs Grok-2 mini.

Which is better, GPT-4 or Grok-2 mini?

GPT-4 and Grok-2 mini are closely matched on the LLM Stats Score at 3.0 and 8.6. GPT-4 is made by OpenAI and Grok-2 mini is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4 compare to Grok-2 mini in benchmarks?

GPT-4 scores AI2 Reasoning Challenge (ARC): 96.3%, HellaSwag: 95.3%, Uniform Bar Exam: 90.0%, SAT Math: 89.0%, LSAT: 88.0%. Grok-2 mini scores DocVQA: 93.2%, MMLU: 86.2%, HumanEval: 85.7%, MATH: 73.0%, MMLU-Pro: 72.0%.

What are the context window sizes for GPT-4 and Grok-2 mini?

GPT-4 supports 33K tokens and Grok-2 mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4 and Grok-2 mini?

Key differences include LLM Stats Score (3.0 vs 8.6). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4 and Grok-2 mini?

GPT-4 is developed by OpenAI and Grok-2 mini is developed by xAI.