Gemma 3 1B vs o1-mini
o1-mini significantly outperforms across most benchmarks.
Google · OpenAI · Updated for 2026
Which is better?
Gemma 3 1B outperforms in 0 benchmarks, while o1-mini is better at 2 benchmarks (GPQA, HumanEval). o1-mini 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-mini
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Gemma 3 1B outperforms in 0 benchmarks, while o1-mini is better at 2 benchmarks (GPQA, HumanEval).
o1-mini significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Context Window
Maximum input and output token capacity
Only o1-mini specifies input context (128,000 tokens). Only o1-mini specifies output context (65,536 tokens).
License
Usage and distribution terms
Gemma 3 1B is licensed under Gemma, while o1-mini uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Gemma
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Gemma 3 1B was released on 2025-03-12, while o1-mini was released on 2024-09-12.
Gemma 3 1B is 6 months newer than o1-mini.
Mar 12, 2025
1.5 years ago
6mo newerSep 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.
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemma 3 1B and o1-mini side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 3 1B vs o1-mini.