Model Comparison

Gemma 3n E2B Instructed vs o3Which is better in 2026?

o3 significantly outperforms across most benchmarks.

Verdict: Gemma 3n E2B Instructed vs o3 — which is better?

Gemma 3n E2B Instructed (by Google) and o3 (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 outperforms in 0 benchmarks, while o3 is better at 2 benchmarks (AIME 2025, GPQA). o3 significantly outperforms across most benchmarks.

Choose Gemma 3n E2B Instructed if…

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

Choose o3 if…

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

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemma 3n E2B Instructed outperforms in 0 benchmarks, while o3 is better at 2 benchmarks (AIME 2025, GPQA).

o3 significantly outperforms across most benchmarks.

Tue Jun 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

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

Google
Gemma 3n E2B Instructed
Input- tokens
Output- tokens
OpenAI
o3
Input200,000 tokens
Output100,000 tokens
Tue Jun 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3n E2B Instructed and o3 support multimodal inputs.

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

Gemma 3n E2B Instructed

Text
Images
Audio
Video

o3

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemma 3n E2B Instructed

Proprietary

Closed source

o3

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3n E2B Instructed was released on 2025-06-26, while o3 was released on 2025-04-16.

Gemma 3n E2B Instructed is 2 months newer than o3.

Gemma 3n E2B Instructed

Jun 26, 2025

11 months ago

2mo newer
o3

Apr 16, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

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

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

Gemma 3n E2B Instructed

Jun 2024

1 mo newer
o3

May 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

No standout differentiators in the data we have for this pair.

Larger context window (200,000 tokens)
Higher AIME 2025 score (86.4% vs 6.7%)
Higher GPQA score (83.3% vs 24.8%)
GoogleGemma 3n E2B Instructed
OpenAIo3

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemma 3n E2B Instructed
OpenAI
o3

FAQ

Common questions about Gemma 3n E2B Instructed vs o3.

Which is better, Gemma 3n E2B Instructed or o3?

o3 significantly outperforms across most benchmarks. Gemma 3n E2B Instructed is made by Google and o3 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 compare to o3 in benchmarks?

Gemma 3n E2B Instructed scores HumanEval: 66.5%, MMLU: 60.1%, Global-MMLU-Lite: 59.0%, MBPP: 56.6%, Global-MMLU: 55.1%. o3 scores COLLIE: 98.4%, AIME 2024: 91.6%, ARC-AGI: 88.0%, MathVista: 86.8%, AIME 2025: 86.4%.

What are the context window sizes for Gemma 3n E2B Instructed and o3?

Gemma 3n E2B Instructed supports an unknown number of tokens and o3 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemma 3n E2B Instructed and o3?

Gemma 3n E2B Instructed is developed by Google and o3 is developed by OpenAI.