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Gemma 3 1B vs o1-preview

o1-preview significantly outperforms across most benchmarks.

Google · OpenAI · Updated for 2026

Which is better?

Gemma 3 1B outperforms in 0 benchmarks, while o1-preview is better at 3 benchmarks (GPQA, MATH, SimpleQA). o1-preview significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Gemma 3 1B

  • you want the most recent training data — it shipped Mar 2025
  • you need open weights you can self-host or fine-tune

Choose o1-preview

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

At a glance

The differences that matter most.

Gemma 3 1B
Google
o1-preview
OpenAI
Benchmark wins
0 of 3
3 of 3
Input price
— / M
$15.00 / M
Output price
— / M
$60.00 / M
Context window
—
128,000
Released
Mar 2025
Sep 2024
License
Gemma
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemma 3 1B outperforms in 0 benchmarks, while o1-preview is better at 3 benchmarks (GPQA, MATH, SimpleQA).

o1-preview significantly outperforms across most benchmarks.

Wed Aug 26 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only o1-preview specifies input context (128,000 tokens). Only o1-preview specifies output context (32,768 tokens).

Google
Gemma 3 1B
Input- tokens
Output- tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Wed Aug 26 2026 • llm-stats.com

License

Usage and distribution terms

Gemma 3 1B is licensed under Gemma, while o1-preview uses a proprietary license.

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

Gemma 3 1B

Gemma

Open weights

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3 1B was released on 2025-03-12, while o1-preview was released on 2024-09-12.

Gemma 3 1B is 6 months newer than o1-preview.

Gemma 3 1B

Mar 12, 2025

1.5 years ago

6mo newer
o1-preview

Sep 12, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemma 3 1B and o1-preview side-by-side, then vote on the output you prefer.

Gemma 3 1B
✓ Preferred
o1-preview
Open in Playground

FAQ

Common questions about Gemma 3 1B vs o1-preview.

Which is better, Gemma 3 1B or o1-preview?

o1-preview significantly outperforms across most benchmarks. Gemma 3 1B is made by Google and o1-preview is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 3 1B compare to o1-preview in benchmarks?

Gemma 3 1B scores IFEval: 80.2%, GSM8k: 62.8%, Natural2Code: 56.0%, MATH: 48.0%, HumanEval: 41.5%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.

What are the context window sizes for Gemma 3 1B and o1-preview?

Gemma 3 1B supports an unknown number of tokens and o1-preview supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3 1B and o1-preview?

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

Who makes Gemma 3 1B and o1-preview?

Gemma 3 1B is developed by Google and o1-preview is developed by OpenAI.

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