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Grok-4 Heavy vs Ling 3.1 Flash

Ling 3.1 Flash leads the LLM Stats Score 51.0 to 40.6.

xAI · InclusionAI · Updated for 2026

Which is better?

Ling 3.1 Flash leads the overall LLM Stats Score 51.0 to 40.6, ranking #15 overall.

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 Ling 3.1 Flash

  • overall performance matters — it scores 51.0 and ranks #15 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes

At a glance

The differences that matter most.

Grok-4 Heavy
xAI
Ling 3.1 Flash
InclusionAI
Core performance indexes
LLM Stats Score
40.6
#66
51.0
#15
Reasoning
38.9
#70
47.5
#26
Coding
17.6
#128
38.8
#18
Cost, coverage & limits
Benchmark wins
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Input price
— / M
— / M
Output price
— / M
— / M
Context window
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Individual benchmarks

6 reported for Grok-4 Heavy · 11 for Ling 3.1 Flash

No common benchmarks found

Grok-4 Heavy and Ling 3.1 Flashdon'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

Grok-4 Heavy supports multimodal inputs, whereas Ling 3.1 Flash does not.

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

Grok-4 Heavy

Text
Images
Audio
Video

Ling 3.1 Flash

Text
Images
Audio
Video

Release Timeline

When each model was launched

Ling 3.1 Flash was released on 2026-09-30, while Grok-4 Heavy's release date is not specified.

We can confirm Ling 3.1 Flash's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.

Grok-4 Heavy

—

Ling 3.1 Flash

Sep 30, 2026

1 weeks ago

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Ling 3.1 Flash'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 Ling 3.1 Flash's cutoff date.

Grok-4 Heavy

Dec 2024

Ling 3.1 Flash

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok-4 Heavy and Ling 3.1 Flash side-by-side, then vote on the output you prefer.

Grok-4 Heavy
✓ Preferred
Ling 3.1 Flash
Open in Playground

FAQ

Common questions about Grok-4 Heavy vs Ling 3.1 Flash.

Which is better, Grok-4 Heavy or Ling 3.1 Flash?

Ling 3.1 Flash leads the LLM Stats Score 51.0 to 40.6. Grok-4 Heavy is made by xAI and Ling 3.1 Flash is made by InclusionAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok-4 Heavy compare to Ling 3.1 Flash in benchmarks?

Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%. Ling 3.1 Flash scores CyberGym: 87.9%, DRACO: 85.5%, FrontierSWE: 75.2%, Multi-Challenge: 69.8%, SkillsBench: 68.7%.

What are the main differences between Grok-4 Heavy and Ling 3.1 Flash?

Key differences include LLM Stats Score (40.6 vs 51.0), multimodal support (yes vs no), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4 Heavy and Ling 3.1 Flash?

Grok-4 Heavy is developed by xAI and Ling 3.1 Flash is developed by InclusionAI.

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