Model Comparison

GPT-4o vs Granite 3.3 8B BaseWhich is better in 2026?

GPT-4o significantly outperforms across most benchmarks.

Verdict: GPT-4o vs Granite 3.3 8B Base — which is better?

GPT-4o (by OpenAI) and Granite 3.3 8B Base (by IBM) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-4o outperforms in 3 benchmarks (DROP, HumanEval, MMLU), while Granite 3.3 8B Base is better at 0 benchmarks. GPT-4o significantly outperforms across most benchmarks.

Choose GPT-4o if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Choose Granite 3.3 8B Base if…

  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-4o outperforms in 3 benchmarks (DROP, HumanEval, MMLU), while Granite 3.3 8B Base is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Sun Jul 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (4,096 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
IBM
Granite 3.3 8B Base
Input- tokens
Output- tokens
Sun Jul 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Granite 3.3 8B Base support multimodal inputs.

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

GPT-4o

Text
Images
Audio
Video

Granite 3.3 8B Base

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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.

GPT-4o

Proprietary

Closed source

Granite 3.3 8B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while Granite 3.3 8B Base was released on 2025-04-16.

Granite 3.3 8B Base is 11 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.2 years ago

Granite 3.3 8B Base

Apr 16, 2025

1.3 years ago

11mo newer

Knowledge Cutoff

When training data ends

Granite 3.3 8B Base has a documented knowledge cutoff of 2024-04-01, while GPT-4o's cutoff date is not specified.

We can confirm Granite 3.3 8B Base's training data extends to 2024-04-01, but cannot make a direct comparison without GPT-4o's cutoff date.

GPT-4o

—

Granite 3.3 8B Base

Apr 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Higher DROP score (83.4% vs 36.1%)
Higher HumanEval score (90.2% vs 89.7%)
Higher MMLU score (88.7% vs 63.9%)
IBM
Has open weights
OpenAIGPT-4o
IBMGranite 3.3 8B Base
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-4o and Granite 3.3 8B Base side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
Granite 3.3 8B Base
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-4o
IBM
Granite 3.3 8B Base

FAQ

Common questions about GPT-4o vs Granite 3.3 8B Base.

Which is better, GPT-4o or Granite 3.3 8B Base?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI 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 GPT-4o compare to Granite 3.3 8B Base in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. 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 GPT-4o and Granite 3.3 8B Base?

GPT-4o 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 GPT-4o 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 GPT-4o and Granite 3.3 8B Base?

GPT-4o is developed by OpenAI and Granite 3.3 8B Base is developed by IBM.

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