Model Comparison

GPT-4 Turbo vs Grok-2 miniWhich is better in 2026?

Both models are evenly matched across the benchmarks.

Verdict: GPT-4 Turbo vs Grok-2 mini — which is better?

GPT-4 Turbo (by OpenAI) and Grok-2 mini (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-4 Turbo outperforms in 2 benchmarks (HumanEval, MMLU), while Grok-2 mini is better at 2 benchmarks (GPQA, MATH). Both models are evenly matched across the benchmarks.

Choose GPT-4 Turbo if…

  • you want predictable pricing at $10.00/M input and $30.00/M output

Choose Grok-2 mini if…

  • you want the most recent training data — it shipped Aug 2024
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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

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

Both models are evenly matched across the benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4 Turbo specifies input context (128,000 tokens). Only GPT-4 Turbo specifies output context (4,096 tokens).

OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
xAI
Grok-2 mini
Input- tokens
Output- tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-2 mini supports multimodal inputs, whereas GPT-4 Turbo does not.

Grok-2 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4 Turbo

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 Turbo

Proprietary

Closed source

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while Grok-2 mini was released on 2024-08-13.

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

GPT-4 Turbo

Apr 9, 2024

2.2 years ago

Grok-2 mini

Aug 13, 2024

1.8 years ago

4mo newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while Grok-2 mini's cutoff date is not specified.

We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without Grok-2 mini's cutoff date.

GPT-4 Turbo

Dec 2023

Grok-2 mini

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Higher HumanEval score (87.1% vs 85.7%)
Higher MMLU score (86.5% vs 86.2%)
xAI
Supports multimodal inputs
Higher GPQA score (51.0% vs 48.0%)
Higher MATH score (73.0% vs 72.6%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4 Turbo
xAI
Grok-2 mini

FAQ

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

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

Both models are evenly matched across the benchmarks. GPT-4 Turbo is made by OpenAI and Grok-2 mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

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

GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. 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 Turbo and Grok-2 mini?

GPT-4 Turbo supports 128K 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 Turbo and Grok-2 mini?

Key differences include multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4 Turbo and Grok-2 mini?

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

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