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Gemini 4 Argon vs Grok-4 Heavy

Gemini 4 Argon leads the LLM Stats Score 55.1 to 40.6.

Google · xAI · Updated for 2026

Which is better?

Gemini 4 Argon leads the overall LLM Stats Score 55.1 to 40.6, ranking #4 overall.

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

Choose Gemini 4 Argon

  • overall performance matters — it scores 55.1 and ranks #4 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes

Choose Grok-4 Heavy

  • you are already invested in the xAI ecosystem

At a glance

The differences that matter most.

Gemini 4 Argon
Google
Grok-4 Heavy
xAI
Core performance indexes
LLM Stats Score
55.1
#4
40.6
#66
Reasoning
52.4
#7
38.9
#69
Coding
44.1
#4
17.6
#128
Cost, coverage & limits
Benchmark wins
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Input price
— / M
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Output price
— / M
— / M
Context window
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Individual benchmarks

19 reported for Gemini 4 Argon · 6 for Grok-4 Heavy

No common benchmarks found

Gemini 4 Argon and Grok-4 Heavydon'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

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Argon and Grok-4 Heavy support multimodal inputs.

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

Gemini 4 Argon

Text
Images
Audio
Video

Grok-4 Heavy

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.

Gemini 4 Argon

Proprietary

Closed source

Grok-4 Heavy

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Argon was released on 2026-09-30, while Grok-4 Heavy's release date is not specified.

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

Gemini 4 Argon

Sep 30, 2026

1 weeks ago

Grok-4 Heavy

—

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Gemini 4 Argon'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 Gemini 4 Argon's cutoff date.

Gemini 4 Argon

—

Grok-4 Heavy

Dec 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Gemini 4 Argon
✓ Preferred
Grok-4 Heavy
Open in Playground

FAQ

Common questions about Gemini 4 Argon vs Grok-4 Heavy.

Which is better, Gemini 4 Argon or Grok-4 Heavy?

Gemini 4 Argon leads the LLM Stats Score 55.1 to 40.6. Gemini 4 Argon is made by Google and Grok-4 Heavy is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 4 Argon compare to Grok-4 Heavy in benchmarks?

Gemini 4 Argon scores Graphwalks BFS <128k: 99.7%, Vibe Code Bench: 91.9%, LVBench: 91.7%, LABBench2: 88.8%, Graphwalks BFS >128k: 84.2%. Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%.

What are the main differences between Gemini 4 Argon and Grok-4 Heavy?

Key differences include LLM Stats Score (55.1 vs 40.6). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Argon and Grok-4 Heavy?

Gemini 4 Argon is developed by Google and Grok-4 Heavy is developed by xAI.

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