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Gemma 3 12B vs o1-preview

o1-preview significantly outperforms across most benchmarks. Gemma 3 12B is 420.0x cheaper per token.

Google · OpenAI · Updated for 2026

Which is better?

Gemma 3 12B outperforms in 0 benchmarks, while o1-preview is better at 3 benchmarks (GPQA, MATH, SimpleQA). o1-preview significantly outperforms across most benchmarks.

On price, Gemma 3 12B is roughly 420.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemma 3 12B also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Gemma 3 12B

  • cost matters — it's about 420.0x cheaper per token
  • you process long inputs — it offers a 131,072 token context window
  • 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 12B
Google
o1-preview
OpenAI
Benchmark wins
0 of 3
3 of 3
Input price
$0.05 / M
$15.00 / M
Output price
$0.10 / M
$60.00 / M
Context window
131,072
128,000
Released
Mar 2025
Sep 2024
License
Gemma
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemma 3 12B outperforms in 0 benchmarks, while o1-preview is better at 3 benchmarks (GPQA, MATH, SimpleQA).

o1-preview significantly outperforms across most benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Gemma 3 12B costs less

For input processing, Gemma 3 12B ($0.05/1M tokens) is 300.0x cheaper than o1-preview ($15.00/1M tokens).

For output processing, Gemma 3 12B ($0.10/1M tokens) is 600.0x cheaper than o1-preview ($60.00/1M tokens).

In conclusion, o1-preview is more expensive than Gemma 3 12B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Aug 25 2026 • llm-stats.com
Google
Gemma 3 12B
Input tokens$0.05
Output tokens$0.10
Best providerDeepinfra
OpenAI
o1-preview
Input tokens$15.00
Output tokens$60.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemma 3 12B accepts 131,072 input tokens compared to o1-preview's 128,000 tokens. Gemma 3 12B can generate longer responses up to 131,072 tokens, while o1-preview is limited to 32,768 tokens.

Google
Gemma 3 12B
Input131,072 tokens
Output131,072 tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Tue Aug 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemma 3 12B supports multimodal inputs, whereas o1-preview does not.

Gemma 3 12B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemma 3 12B

Text
Images
Audio
Video

o1-preview

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3 12B 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 12B

Gemma

Open weights

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

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

Gemma 3 12B is 6 months newer than o1-preview.

Gemma 3 12B

Mar 12, 2025

1.5 years ago

6mo newer
o1-preview

Sep 12, 2024

1.9 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

Provider Availability

Gemma 3 12B is available from DeepInfra. o1-preview is available from OpenAI, Azure.

Gemma 3 12B

deepinfra logo
Deepinfra
Input Price:Input: $0.05/1MOutput Price:Output: $0.10/1M

o1-preview

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
azure logo
Azure
Input Price:Input: $16.50/1MOutput Price:Output: $66.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemma 3 12B and o1-preview side-by-side, then vote on the output you prefer.

Gemma 3 12B
✓ Preferred
o1-preview
Open in Playground

FAQ

Common questions about Gemma 3 12B vs o1-preview.

Which is better, Gemma 3 12B or o1-preview?

o1-preview significantly outperforms across most benchmarks. Gemma 3 12B 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 12B compare to o1-preview in benchmarks?

Gemma 3 12B scores GSM8k: 94.4%, IFEval: 88.9%, DocVQA: 87.1%, BIG-Bench Hard: 85.7%, HumanEval: 85.4%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.

Is Gemma 3 12B cheaper than o1-preview?

Gemma 3 12B is 300.0x cheaper for input tokens. Gemma 3 12B costs $0.05/M input and $0.10/M output via deepinfra. o1-preview costs $15.00/M input and $60.00/M output via openai.

What are the context window sizes for Gemma 3 12B and o1-preview?

Gemma 3 12B supports 131K 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 12B and o1-preview?

Key differences include context window (131K vs 128K), input pricing ($0.05 vs $15.00/M), multimodal support (yes vs no), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 3 12B and o1-preview?

Gemma 3 12B is developed by Google and o1-preview is developed by OpenAI.

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