Model Comparison

GPT-5.4 vs Gemma 4 E4BWhich is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks.

Verdict: GPT-5.4 vs Gemma 4 E4B — which is better?

GPT-5.4 (by OpenAI) and Gemma 4 E4B (by Google) 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-5.4 outperforms in 2 benchmarks (GPQA, MMMU-Pro), while Gemma 4 E4B is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

Choose GPT-5.4 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks

Choose Gemma 4 E4B if…

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

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-5.4 outperforms in 2 benchmarks (GPQA, MMMU-Pro), while Gemma 4 E4B is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sun Jul 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.4 specifies input context (1,000,000 tokens). Only GPT-5.4 specifies output context (128,000 tokens).

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 4 E4B
Input- tokens
Output- tokens
Sun Jul 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and Gemma 4 E4B support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

Gemma 4 E4B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while Gemma 4 E4B uses Apache 2.0.

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

GPT-5.4

Proprietary

Closed source

Gemma 4 E4B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while Gemma 4 E4B was released on 2026-04-02.

Gemma 4 E4B is 1 month newer than GPT-5.4.

GPT-5.4

Mar 5, 2026

4 months ago

Gemma 4 E4B

Apr 2, 2026

3 months ago

4w newer

Knowledge Cutoff

When training data ends

Gemma 4 E4B has a documented knowledge cutoff of 2025-01-01, while GPT-5.4's cutoff date is not specified.

We can confirm Gemma 4 E4B's training data extends to 2025-01-01, but cannot make a direct comparison without GPT-5.4's cutoff date.

GPT-5.4

—

Gemma 4 E4B

Jan 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Higher GPQA score (92.8% vs 58.6%)
Higher MMMU-Pro score (81.2% vs 52.6%)
Google
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-5.4 and Gemma 4 E4B side-by-side, then vote on the output you prefer.

GPT-5.4
✓ Preferred
Gemma 4 E4B
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Google
Gemma 4 E4B

FAQ

Common questions about GPT-5.4 vs Gemma 4 E4B.

Which is better, GPT-5.4 or Gemma 4 E4B?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and Gemma 4 E4B is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.4 compare to Gemma 4 E4B in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. Gemma 4 E4B scores MMMLU: 76.6%, MMLU-Pro: 69.4%, MathVision: 59.5%, GPQA: 58.6%, t2-bench: 57.5%.

What are the context window sizes for GPT-5.4 and Gemma 4 E4B?

GPT-5.4 supports 1.0M tokens and Gemma 4 E4B 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-5.4 and Gemma 4 E4B?

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

Who makes GPT-5.4 and Gemma 4 E4B?

GPT-5.4 is developed by OpenAI and Gemma 4 E4B is developed by Google.

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