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Grok-4 Heavy vs Parse

Comparing Grok-4 Heavy and Parse across benchmarks, pricing, and capabilities.

xAI · Cohere · Updated for 2026

Which is better?

Grok-4 Heavy and Parse trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-4 Heavy

  • you are already invested in the xAI ecosystem

Choose Parse

  • you are already invested in the Cohere ecosystem

At a glance

The differences that matter most.

Benchmark wins
Input price
— / M
— / M
Output price
— / M
— / M
Context window
8,192

Individual benchmarks

6 reported for Grok-4 Heavy · 1 for Parse

No common benchmarks found

Grok-4 Heavy and Parsedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Parse specifies input context (8,192 tokens).

xAI
Grok-4 Heavy
Input- tokens
Output- tokens
Cohere
Parse
Input8,192 tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-4 Heavy and Parse support multimodal inputs.

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

Grok-4 Heavy

Text
Images
Audio
Video

Parse

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.

Grok-4 Heavy

Proprietary

Closed source

Parse

Proprietary

Closed source

Release Timeline

When each model was launched

Parse was released on 2026-08-27, while Grok-4 Heavy's release date is not specified.

We can confirm Parse's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.

Grok-4 Heavy

Parse

Aug 27, 2026

1 weeks ago

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Parse's cutoff date is not specified.

We can confirm Grok-4 Heavy's training data extends to 2024-12-31, but cannot make a direct comparison without Parse's cutoff date.

Grok-4 Heavy

Dec 2024

Parse

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Grok-4 Heavy and Parse side-by-side, then vote on the output you prefer.

Grok-4 Heavy
✓ Preferred
Parse
Open in Playground

FAQ

Common questions about Grok-4 Heavy vs Parse.

Which is better, Grok-4 Heavy or Parse?

Grok-4 Heavy (xAI) and Parse (Cohere) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok-4 Heavy compare to Parse in benchmarks?

Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%. Parse scores ParseBench: 79.2%.

What are the context window sizes for Grok-4 Heavy and Parse?

Grok-4 Heavy supports an unknown number of tokens and Parse supports 8K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Grok-4 Heavy and Parse?

Grok-4 Heavy is developed by xAI and Parse is developed by Cohere.