Model Comparison

GPT-4o mini vs Grok-1.5V

GPT-4o mini significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-4o mini outperforms in 2 benchmarks (MathVista, MMMU), while Grok-1.5V is better at 0 benchmarks.

GPT-4o mini significantly outperforms across most benchmarks.

Tue Apr 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Apr 07 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
xAI
Grok-1.5V
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only GPT-4o mini specifies input context (128,000 tokens). Only GPT-4o mini specifies output context (16,384 tokens).

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
xAI
Grok-1.5V
Input- tokens
Output- tokens
Tue Apr 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o mini and Grok-1.5V support multimodal inputs.

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

GPT-4o mini

Text
Images
Audio
Video

Grok-1.5V

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-4o mini

Proprietary

Closed source

Grok-1.5V

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Grok-1.5V was released on 2024-04-12.

GPT-4o mini is 3 months newer than Grok-1.5V.

GPT-4o mini

Jul 18, 2024

1.7 years ago

3mo newer
Grok-1.5V

Apr 12, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Grok-1.5V's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Grok-1.5V's cutoff date.

GPT-4o mini

Oct 2023

Grok-1.5V

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Higher MathVista score (56.7% vs 52.8%)
Higher MMMU score (59.4% vs 53.6%)
xAI

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
xAI
Grok-1.5V

FAQ

Common questions about GPT-4o mini vs Grok-1.5V

GPT-4o mini significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and Grok-1.5V is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%.
GPT-4o mini supports 128K tokens and Grok-1.5V supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
GPT-4o mini is developed by OpenAI and Grok-1.5V is developed by xAI.