Model Comparison
Gemini 3 Pro vs Gemma 3 27BWhich is better in 2026?
Gemini 3 Pro shows notably better performance in the majority of benchmarks. Gemma 3 27B is 36.0x cheaper per token.
Verdict: Gemini 3 Pro vs Gemma 3 27B — which is better?
Gemini 3 Pro (by Google) and Gemma 3 27B (by Google) 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.
Gemini 3 Pro outperforms in 2 benchmarks (GPQA, SimpleQA), while Gemma 3 27B is better at 1 benchmark (FACTS Grounding). Gemini 3 Pro shows notably better performance in the majority of benchmarks.
On price, Gemma 3 27B is roughly 36.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3 Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemini 3 Pro if…
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Nov 2025
Choose Gemma 3 27B if…
- cost matters — it's about 36.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3 Pro outperforms in 2 benchmarks (GPQA, SimpleQA), while Gemma 3 27B is better at 1 benchmark (FACTS Grounding).
Gemini 3 Pro shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Pro ($2.00/1M tokens) is 20.0x more expensive than Gemma 3 27B ($0.10/1M tokens).
For output processing, Gemini 3 Pro ($12.00/1M tokens) is 60.0x more expensive than Gemma 3 27B ($0.20/1M tokens).
In conclusion, Gemini 3 Pro is more expensive than Gemma 3 27B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3 Pro accepts 1,048,576 input tokens compared to Gemma 3 27B's 131,072 tokens. Gemma 3 27B can generate longer responses up to 131,072 tokens, while Gemini 3 Pro is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 3 Pro and Gemma 3 27B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3 Pro
Gemma 3 27B
License
Usage and distribution terms
Gemini 3 Pro is licensed under a proprietary license, while Gemma 3 27B uses Gemma.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Gemma
Open weights
Release Timeline
When each model was launched
Gemini 3 Pro was released on 2025-11-18, while Gemma 3 27B was released on 2025-03-12.
Gemini 3 Pro is 8 months newer than Gemma 3 27B.
Nov 18, 2025
7 months ago
8mo newerMar 12, 2025
1.3 years ago
Knowledge Cutoff
When training data ends
Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Gemma 3 27B's cutoff date is not specified.
We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Gemma 3 27B's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Pro is available from Google. Gemma 3 27B is available from DeepInfra, Novita.
Gemini 3 Pro
Gemma 3 27B
Outputs Comparison
Key Takeaways
Gemini 3 Pro
View detailsGemma 3 27B
View detailsDetailed Comparison
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FAQ
Common questions about Gemini 3 Pro vs Gemma 3 27B.