Model Comparison

GPT-5.4 vs Grok Imagine Image ProWhich is better in 2026?

Comparing GPT-5.4 and Grok Imagine Image Pro across benchmarks, pricing, and capabilities.

Verdict: GPT-5.4 vs Grok Imagine Image Pro — which is better?

GPT-5.4 (by OpenAI) and Grok Imagine Image Pro (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-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-5.4 if…

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Mar 2026

Choose Grok Imagine Image Pro if…

  • you are already invested in the xAI ecosystem
AI Model Comparison Table
Feature
OpenAI
GPT-5.4
xAI
Grok Imagine Image Pro

FAQ

Common questions about GPT-5.4 vs Grok Imagine Image Pro.

Which is better, GPT-5.4 or Grok Imagine Image Pro?

GPT-5.4 (OpenAI) and Grok Imagine Image Pro (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-5.4 compare to Grok Imagine Image Pro in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%.

What are the context window sizes for GPT-5.4 and Grok Imagine Image Pro?

GPT-5.4 supports 1.0M tokens and Grok Imagine Image Pro 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-5.4 and Grok Imagine Image Pro?

Key differences include context window (1.0M vs 131K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and Grok Imagine Image Pro?

GPT-5.4 is developed by OpenAI and Grok Imagine Image Pro is developed by xAI.