Model Comparison

ChatGPT-4o Latest vs Grok Imagine Image ProWhich is better in 2026?

Comparing ChatGPT-4o Latest and Grok Imagine Image Pro across benchmarks, pricing, and capabilities.

Verdict: ChatGPT-4o Latest vs Grok Imagine Image Pro — which is better?

ChatGPT-4o Latest (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.

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

Choose ChatGPT-4o Latest if…

  • you want predictable pricing at $2.50/M input and $10.00/M output

Choose Grok Imagine Image Pro if…

  • you process long inputs — it offers a 131,072 token context window
  • you want the most recent training data — it shipped Feb 2026
AI Model Comparison Table
Feature
OpenAI
ChatGPT-4o Latest
xAI
Grok Imagine Image Pro

FAQ

Common questions about ChatGPT-4o Latest vs Grok Imagine Image Pro.

Which is better, ChatGPT-4o Latest or Grok Imagine Image Pro?

ChatGPT-4o Latest (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 ChatGPT-4o Latest compare to Grok Imagine Image Pro in benchmarks?

ChatGPT-4o Latest scores GPQA: 84.0%.

What are the context window sizes for ChatGPT-4o Latest and Grok Imagine Image Pro?

ChatGPT-4o Latest supports 128K 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 ChatGPT-4o Latest and Grok Imagine Image Pro?

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 ChatGPT-4o Latest and Grok Imagine Image Pro?

ChatGPT-4o Latest is developed by OpenAI and Grok Imagine Image Pro is developed by xAI.

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