Model Comparison

Grok-3 vs Granite 3.3 8B Base

Grok-3 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Grok-3 outperforms in 1 benchmarks (AIME 2024), while Granite 3.3 8B Base is better at 0 benchmarks.

Grok-3 significantly outperforms across most benchmarks.

Tue May 12 2026 • llm-stats.com

Arena Performance

Human preference votes

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).

xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
IBM
Granite 3.3 8B Base
Input- tokens
Output- tokens
Tue May 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-3 and Granite 3.3 8B Base support multimodal inputs.

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

Grok-3

Text
Images
Audio
Video

Granite 3.3 8B Base

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-3 is licensed under a proprietary license, while Granite 3.3 8B Base uses Apache 2.0.

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

Grok-3

Proprietary

Closed source

Granite 3.3 8B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-3 was released on 2025-02-17, while Granite 3.3 8B Base was released on 2025-04-16.

Granite 3.3 8B Base is 2 months newer than Grok-3.

Grok-3

Feb 17, 2025

1.2 years ago

Granite 3.3 8B Base

Apr 16, 2025

1.1 years ago

1mo newer

Knowledge Cutoff

When training data ends

Grok-3 has a knowledge cutoff of 2024-11-17, while Granite 3.3 8B Base has a cutoff of 2024-04-01.

Grok-3 has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to Granite 3.3 8B Base (2024-04-01).

Grok-3

Nov 2024

7 mo newer
Granite 3.3 8B Base

Apr 2024

Outputs Comparison

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Key Takeaways

xAI
Larger context window (128,000 tokens)
Higher AIME 2024 score (93.3% vs 81.2%)
IBM
Has open weights
xAIGrok-3
IBMGranite 3.3 8B Base
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-3
IBM
Granite 3.3 8B Base

FAQ

Common questions about Grok-3 vs Granite 3.3 8B Base.

Which is better, Grok-3 or Granite 3.3 8B Base?

Grok-3 significantly outperforms across most benchmarks. Grok-3 is made by xAI and Granite 3.3 8B Base is made by IBM. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-3 compare to Granite 3.3 8B Base in benchmarks?

Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%. Granite 3.3 8B Base scores HumanEval: 89.7%, AttaQ: 88.5%, HumanEval+: 86.1%, AIME 2024: 81.2%, HellaSwag: 80.1%.

What are the context window sizes for Grok-3 and Granite 3.3 8B Base?

Grok-3 supports 128K tokens and Granite 3.3 8B Base supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-3 and Granite 3.3 8B Base?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-3 and Granite 3.3 8B Base?

Grok-3 is developed by xAI and Granite 3.3 8B Base is developed by IBM.