Model Comparison
Gemma 3 27B vs GPT-4oWhich is better in 2026?
GPT-4o shows notably better performance in the majority of benchmarks. Gemma 3 27B is 35.0x cheaper per token.
Verdict: Gemma 3 27B vs GPT-4o — which is better?
Gemma 3 27B (by Google) and GPT-4o (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 3 27B outperforms in 1 benchmarks (MATH), while GPT-4o is better at 3 benchmarks (GPQA, HumanEval, MMLU-Pro). GPT-4o shows notably better performance in the majority of benchmarks.
On price, Gemma 3 27B is roughly 35.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemma 3 27B also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemma 3 27B if…
- cost matters — it's about 35.0x 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 GPT-4o if…
- you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
Performance Benchmarks
Comparative analysis across standard metrics
Gemma 3 27B outperforms in 1 benchmarks (MATH), while GPT-4o is better at 3 benchmarks (GPQA, HumanEval, MMLU-Pro).
GPT-4o shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemma 3 27B ($0.10/1M tokens) is 25.0x cheaper than GPT-4o ($2.50/1M tokens).
For output processing, Gemma 3 27B ($0.20/1M tokens) is 50.0x cheaper than GPT-4o ($10.00/1M tokens).
In conclusion, GPT-4o 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
Gemma 3 27B accepts 131,072 input tokens compared to GPT-4o's 128,000 tokens. Gemma 3 27B can generate longer responses up to 131,072 tokens, while GPT-4o is limited to 4,096 tokens.
Input Capabilities
Supported data types and modalities
Both Gemma 3 27B and GPT-4o support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemma 3 27B
GPT-4o
License
Usage and distribution terms
Gemma 3 27B is licensed under Gemma, while GPT-4o 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 27B was released on 2025-03-12, while GPT-4o was released on 2024-05-13.
Gemma 3 27B is 10 months newer than GPT-4o.
Mar 12, 2025
1.2 years ago
10mo newerMay 13, 2024
2.1 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Gemma 3 27B is available from DeepInfra, Novita. GPT-4o is available from Azure, OpenAI.
Gemma 3 27B
GPT-4o
Outputs Comparison
Key Takeaways
Gemma 3 27B
View detailsGPT-4o
View detailsOpenAI
Gemma 3 27BGPT-4oDetailed Comparison
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FAQ
Common questions about Gemma 3 27B vs GPT-4o.