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Gemma 3n E2B Instructed LiteRT (Preview) vs o3-pro

Comparing Gemma 3n E2B Instructed LiteRT (Preview) and o3-pro across benchmarks, pricing, and capabilities.

Google · OpenAI · Updated for 2026

Which is better?

Gemma 3n E2B Instructed LiteRT (Preview) and o3-pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemma 3n E2B Instructed LiteRT (Preview)

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

Choose o3-pro

  • you want the most recent training data — it shipped Jun 2025

At a glance

The differences that matter most.

Gemma 3n E2B Instructed LiteRT (Preview)
Google
o3-pro
OpenAI
Benchmark wins
—
—
Input price
— / M
$20.00 / M
Output price
— / M
$80.00 / M
Context window
—
200,000

Individual benchmarks

28 reported for Gemma 3n E2B Instructed LiteRT (Preview) · 0 for o3-pro

No common benchmarks found

Gemma 3n E2B Instructed LiteRT (Preview) and o3-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only o3-pro specifies input context (200,000 tokens). Only o3-pro specifies output context (100,000 tokens).

Google
Gemma 3n E2B Instructed LiteRT (Preview)
Input- tokens
Output- tokens
OpenAI
o3-pro
Input200,000 tokens
Output100,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemma 3n E2B Instructed LiteRT (Preview) and o3-pro 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

o3-pro

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3n E2B Instructed LiteRT (Preview) is licensed under Gemma, while o3-pro 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

o3-pro

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3n E2B Instructed LiteRT (Preview) was released on 2025-05-20, while o3-pro was released on 2025-06-10.

o3-pro is 1 month newer than Gemma 3n E2B Instructed LiteRT (Preview).

Gemma 3n E2B Instructed LiteRT (Preview)

May 20, 2025

1.3 years ago

o3-pro

Jun 10, 2025

1.3 years ago

3w newer

Knowledge Cutoff

When training data ends

Gemma 3n E2B Instructed LiteRT (Preview) has a knowledge cutoff of 2024-06-01, while o3-pro has a cutoff of 2024-05-31.

Gemma 3n E2B Instructed LiteRT (Preview) has more recent training data (up to 2024-06-01), making it potentially better informed about events through that date compared to o3-pro (2024-05-31).

Gemma 3n E2B Instructed LiteRT (Preview)

Jun 2024

1 mo newer
o3-pro

May 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemma 3n E2B Instructed LiteRT (Preview) and o3-pro side-by-side, then vote on the output you prefer.

Gemma 3n E2B Instructed LiteRT (Preview)
✓ Preferred
o3-pro
Open in Playground

FAQ

Common questions about Gemma 3n E2B Instructed LiteRT (Preview) vs o3-pro.

Which is better, Gemma 3n E2B Instructed LiteRT (Preview) or o3-pro?

Gemma 3n E2B Instructed LiteRT (Preview) (Google) and o3-pro (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemma 3n E2B Instructed LiteRT (Preview) compare to o3-pro 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%.

What are the context window sizes for Gemma 3n E2B Instructed LiteRT (Preview) and o3-pro?

Gemma 3n E2B Instructed LiteRT (Preview) supports an unknown number of tokens and o3-pro supports 200K 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 o3-pro?

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 o3-pro?

Gemma 3n E2B Instructed LiteRT (Preview) is developed by Google and o3-pro is developed by OpenAI.

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