Model Comparison

Gemma 3n E4B Instructed LiteRT Preview vs Grok 4.5Which is better in 2026?

Grok 4.5 significantly outperforms across most benchmarks.

Verdict: Gemma 3n E4B Instructed LiteRT Preview vs Grok 4.5 — which is better?

Gemma 3n E4B Instructed LiteRT Preview (by Google) and Grok 4.5 (by xAI) 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.

Gemma 3n E4B Instructed LiteRT Preview outperforms in 0 benchmarks, while Grok 4.5 is better at 1 benchmark (GPQA). Grok 4.5 significantly outperforms across most benchmarks.

Choose Gemma 3n E4B Instructed LiteRT Preview if…

  • you need open weights you can self-host or fine-tune

Choose Grok 4.5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemma 3n E4B Instructed LiteRT Preview outperforms in 0 benchmarks, while Grok 4.5 is better at 1 benchmark (GPQA).

Grok 4.5 significantly outperforms across most benchmarks.

Sat Jul 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok 4.5 specifies input context (500,000 tokens).

Google
Gemma 3n E4B Instructed LiteRT Preview
Input- tokens
Output- tokens
xAI
Grok 4.5
Input500,000 tokens
Output- tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3n E4B Instructed LiteRT Preview and Grok 4.5 support multimodal inputs.

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

Gemma 3n E4B Instructed LiteRT Preview

Text
Images
Audio
Video

Grok 4.5

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3n E4B Instructed LiteRT Preview is licensed under Gemma, while Grok 4.5 uses a proprietary license.

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

Gemma 3n E4B Instructed LiteRT Preview

Gemma

Open weights

Grok 4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3n E4B Instructed LiteRT Preview was released on 2025-05-20, while Grok 4.5 was released on 2026-07-16.

Grok 4.5 is 14 months newer than Gemma 3n E4B Instructed LiteRT Preview.

Gemma 3n E4B Instructed LiteRT Preview

May 20, 2025

1.2 years ago

Grok 4.5

Jul 16, 2026

2 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemma 3n E4B Instructed LiteRT Preview has a knowledge cutoff of 2024-06-01, while Grok 4.5 has a cutoff of 2026-02-01.

Grok 4.5 has more recent training data (up to 2026-02-01), making it potentially better informed about events through that date compared to Gemma 3n E4B Instructed LiteRT Preview (2024-06-01).

Gemma 3n E4B Instructed LiteRT Preview

Jun 2024

Grok 4.5

Feb 2026

1.7 yr newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Has open weights
xAI
Larger context window (500,000 tokens)
Higher GPQA score (93.0% vs 23.7%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 3n E4B Instructed LiteRT Preview and Grok 4.5 side-by-side, then vote on the output you prefer.

Gemma 3n E4B Instructed LiteRT Preview
✓ Preferred
Grok 4.5
Open in Playground
AI Model Comparison Table
Feature
Google
Gemma 3n E4B Instructed LiteRT Preview
xAI
Grok 4.5

FAQ

Common questions about Gemma 3n E4B Instructed LiteRT Preview vs Grok 4.5.

Which is better, Gemma 3n E4B Instructed LiteRT Preview or Grok 4.5?

Grok 4.5 significantly outperforms across most benchmarks. Gemma 3n E4B Instructed LiteRT Preview is made by Google and Grok 4.5 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 3n E4B Instructed LiteRT Preview compare to Grok 4.5 in benchmarks?

Gemma 3n E4B Instructed LiteRT Preview scores ARC-E: 81.6%, BoolQ: 81.6%, PIQA: 81.0%, HellaSwag: 78.6%, HumanEval: 75.0%. Grok 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, Artificial Analysis Coding Agent Index v1.1: 76.0%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%.

What are the context window sizes for Gemma 3n E4B Instructed LiteRT Preview and Grok 4.5?

Gemma 3n E4B Instructed LiteRT Preview supports an unknown number of tokens and Grok 4.5 supports 500K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3n E4B Instructed LiteRT Preview and Grok 4.5?

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

Who makes Gemma 3n E4B Instructed LiteRT Preview and Grok 4.5?

Gemma 3n E4B Instructed LiteRT Preview is developed by Google and Grok 4.5 is developed by xAI.

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