Model Comparison

Gemma 3n E2B Instructed LiteRT (Preview) vs GPT-5.1 ThinkingWhich is better in 2026?

GPT-5.1 Thinking significantly outperforms across most benchmarks.

Verdict: Gemma 3n E2B Instructed LiteRT (Preview) vs GPT-5.1 Thinking — which is better?

Gemma 3n E2B Instructed LiteRT (Preview) (by Google) and GPT-5.1 Thinking (by OpenAI) 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 E2B Instructed LiteRT (Preview) outperforms in 0 benchmarks, while GPT-5.1 Thinking is better at 2 benchmarks (AIME 2025, GPQA). GPT-5.1 Thinking significantly outperforms across most benchmarks.

Choose Gemma 3n E2B Instructed LiteRT (Preview) if…

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

Choose GPT-5.1 Thinking if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Nov 2025

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemma 3n E2B Instructed LiteRT (Preview) outperforms in 0 benchmarks, while GPT-5.1 Thinking is better at 2 benchmarks (AIME 2025, GPQA).

GPT-5.1 Thinking significantly outperforms across most benchmarks.

Mon Jul 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.1 Thinking specifies input context (400,000 tokens). Only GPT-5.1 Thinking specifies output context (128,000 tokens).

Google
Gemma 3n E2B Instructed LiteRT (Preview)
Input- tokens
Output- tokens
OpenAI
GPT-5.1 Thinking
Input400,000 tokens
Output128,000 tokens
Mon Jul 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3n E2B Instructed LiteRT (Preview) and GPT-5.1 Thinking support multimodal inputs.

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

Gemma 3n E2B Instructed LiteRT (Preview)

Text
Images
Audio
Video

GPT-5.1 Thinking

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3n E2B Instructed LiteRT (Preview) is licensed under Gemma, while GPT-5.1 Thinking uses a proprietary license.

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

Gemma 3n E2B Instructed LiteRT (Preview)

Gemma

Open weights

GPT-5.1 Thinking

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3n E2B Instructed LiteRT (Preview) was released on 2025-05-20, while GPT-5.1 Thinking was released on 2025-11-12.

GPT-5.1 Thinking is 6 months newer than Gemma 3n E2B Instructed LiteRT (Preview).

Gemma 3n E2B Instructed LiteRT (Preview)

May 20, 2025

1.2 years ago

GPT-5.1 Thinking

Nov 12, 2025

8 months ago

5mo newer

Knowledge Cutoff

When training data ends

Gemma 3n E2B Instructed LiteRT (Preview) has a documented knowledge cutoff of 2024-06-01, while GPT-5.1 Thinking's cutoff date is not specified.

We can confirm Gemma 3n E2B Instructed LiteRT (Preview)'s training data extends to 2024-06-01, but cannot make a direct comparison without GPT-5.1 Thinking's cutoff date.

Gemma 3n E2B Instructed LiteRT (Preview)

Jun 2024

GPT-5.1 Thinking

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (400,000 tokens)
Higher AIME 2025 score (94.0% vs 6.7%)
Higher GPQA score (88.1% vs 24.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemma 3n E2B Instructed LiteRT (Preview) and GPT-5.1 Thinking side-by-side, then vote on the output you prefer.

Gemma 3n E2B Instructed LiteRT (Preview)
✓ Preferred
GPT-5.1 Thinking
Open in Playground

FAQ

Common questions about Gemma 3n E2B Instructed LiteRT (Preview) vs GPT-5.1 Thinking.

Which is better, Gemma 3n E2B Instructed LiteRT (Preview) or GPT-5.1 Thinking?

GPT-5.1 Thinking significantly outperforms across most benchmarks. Gemma 3n E2B Instructed LiteRT (Preview) is made by Google and GPT-5.1 Thinking is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 3n E2B Instructed LiteRT (Preview) compare to GPT-5.1 Thinking in benchmarks?

Gemma 3n E2B Instructed LiteRT (Preview) scores PIQA: 78.9%, BoolQ: 76.4%, ARC-E: 75.8%, HellaSwag: 72.2%, Winogrande: 66.8%. GPT-5.1 Thinking scores Tau2 Telecom: 95.6%, AIME 2025: 94.0%, BrowseComp Long Context 128k: 90.0%, GPQA: 88.1%, MMMU: 85.4%.

What are the context window sizes for Gemma 3n E2B Instructed LiteRT (Preview) and GPT-5.1 Thinking?

Gemma 3n E2B Instructed LiteRT (Preview) supports an unknown number of tokens and GPT-5.1 Thinking supports 400K 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 E2B Instructed LiteRT (Preview) and GPT-5.1 Thinking?

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

Who makes Gemma 3n E2B Instructed LiteRT (Preview) and GPT-5.1 Thinking?

Gemma 3n E2B Instructed LiteRT (Preview) is developed by Google and GPT-5.1 Thinking is developed by OpenAI.