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GPT-4o mini vs Grok-2 Image 1212

Comparing GPT-4o mini and Grok-2 Image 1212 across benchmarks, pricing, and capabilities.

OpenAI · xAI · Updated for 2026

Which is better?

GPT-4o mini and Grok-2 Image 1212 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Grok-2 Image 1212 also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GPT-4o mini

  • you want predictable pricing at $0.15/M input and $0.60/M output

Choose Grok-2 Image 1212

  • you process long inputs — it offers a 131,072 token context window
  • you want the most recent training data — it shipped Dec 2024

At a glance

The differences that matter most.

GPT-4o mini
OpenAI
Grok-2 Image 1212
xAI
Benchmark wins
—
—
Input price
$0.15 / M
— / M
Output price
$0.60 / M
— / M
Context window
128,000
131,072
Released
Jul 2024
Dec 2024
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-4o mini and Grok-2 Image 1212don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Grok-2 Image 1212 accepts 131,072 input tokens compared to GPT-4o mini's 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-2 Image 1212
Input131,072 tokens
Output- tokens
Thu Aug 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o mini supports multimodal inputs, whereas Grok-2 Image 1212 does not.

GPT-4o mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o mini

Text
Images
Audio
Video

Grok-2 Image 1212

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-2 Image 1212

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Grok-2 Image 1212 was released on 2024-12-12.

Grok-2 Image 1212 is 5 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

2.1 years ago

Grok-2 Image 1212

Dec 12, 2024

1.7 years ago

4mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Grok-2 Image 1212'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-2 Image 1212's cutoff date.

GPT-4o mini

Oct 2023

Grok-2 Image 1212

—

Provider Availability

GPT-4o mini is available from Azure. Grok-2 Image 1212 is available from xAI.

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Grok-2 Image 1212

xai logo
xAI
* 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 GPT-4o mini and Grok-2 Image 1212 side-by-side, then vote on the output you prefer.

GPT-4o mini
✓ Preferred
Grok-2 Image 1212
Open in Playground

FAQ

Common questions about GPT-4o mini vs Grok-2 Image 1212.

Which is better, GPT-4o mini or Grok-2 Image 1212?

GPT-4o mini (OpenAI) and Grok-2 Image 1212 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-4o mini compare to Grok-2 Image 1212 in benchmarks?

GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

What are the context window sizes for GPT-4o mini and Grok-2 Image 1212?

GPT-4o mini supports 128K tokens and Grok-2 Image 1212 supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o mini and Grok-2 Image 1212?

Key differences include context window (128K vs 131K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o mini and Grok-2 Image 1212?

GPT-4o mini is developed by OpenAI and Grok-2 Image 1212 is developed by xAI.

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