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IBM Granite 4.2 30B vs Grok-3

Grok-3 leads the LLM Stats Score 30.8 to 24.0.

IBM · xAI · Updated for 2026

Which is better?

Grok-3 leads the overall LLM Stats Score 30.8 to 24.0, ranking #105 overall.

In the 2 individual benchmarks reported for both models, Grok-3 wins 2; this is a narrower head-to-head signal than the composite indexes.

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

Choose IBM Granite 4.2 30B

  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose Grok-3

  • overall performance matters — it scores 30.8 and ranks #105 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

At a glance

The differences that matter most.

Core performance indexes
24.0
#156
30.8
#105
21.8
#165
30.5
#105
9.6
#159
17.8
#106
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
— / M
$3.00 / M
Output price
— / M
$15.00 / M
Context window
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
IBM Granite 4.2 30B
Grok-3
25.6#103
29.4#80
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for IBM Granite 4.2 30B · 5 for Grok-3

2 shared

IBM Granite 4.2 30B outperforms in 0 benchmarks, while Grok-3 is better at 2 benchmarks (AIME 2025, GPQA).

Grok-3 significantly outperforms across most benchmarks.

Tue Sep 01 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Grok-3 specifies input context (128,000 tokens). Only Grok-3 specifies output context (8,000 tokens).

IBM
IBM Granite 4.2 30B
Input- tokens
Output- tokens
xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Tue Sep 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-3 supports multimodal inputs, whereas IBM Granite 4.2 30B does not.

Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

IBM Granite 4.2 30B

Text
Images
Audio
Video

Grok-3

Text
Images
Audio
Video

License

Usage and distribution terms

IBM Granite 4.2 30B is licensed under Apache 2.0, while Grok-3 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

IBM Granite 4.2 30B

Apache 2.0

Open weights

Grok-3

Proprietary

Closed source

Release Timeline

When each model was launched

IBM Granite 4.2 30B was released on 2026-08-25, while Grok-3 was released on 2025-02-17.

IBM Granite 4.2 30B is 18 months newer than Grok-3.

IBM Granite 4.2 30B

Aug 25, 2026

6 days ago

1.5yr newer
Grok-3

Feb 17, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Grok-3 has a documented knowledge cutoff of 2024-11-17, while IBM Granite 4.2 30B's cutoff date is not specified.

We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without IBM Granite 4.2 30B's cutoff date.

IBM Granite 4.2 30B

Grok-3

Nov 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against IBM Granite 4.2 30B and Grok-3 side-by-side, then vote on the output you prefer.

IBM Granite 4.2 30B
✓ Preferred
Grok-3
Open in Playground

FAQ

Common questions about IBM Granite 4.2 30B vs Grok-3.

Which is better, IBM Granite 4.2 30B or Grok-3?

Grok-3 leads the LLM Stats Score 30.8 to 24.0. IBM Granite 4.2 30B is made by IBM and Grok-3 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does IBM Granite 4.2 30B compare to Grok-3 in benchmarks?

IBM Granite 4.2 30B scores RULER 64k: 90.0%, AIME 2025: 89.2%, HMMT25: 89.2%, RULER 128k: 81.4%, MMLU-Pro: 77.6%. Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%.

What are the context window sizes for IBM Granite 4.2 30B and Grok-3?

IBM Granite 4.2 30B supports an unknown number of tokens and Grok-3 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between IBM Granite 4.2 30B and Grok-3?

Key differences include LLM Stats Score (24.0 vs 30.8), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.2 30B and Grok-3?

IBM Granite 4.2 30B is developed by IBM and Grok-3 is developed by xAI.