Model Comparison

GPT-4o vs Gemma 3 27B

GPT-4o significantly outperforms across most benchmarks. Gemma 3 27B is 35.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

GPT-4o outperforms in 6 benchmarks (AI2D, ChartQA, DocVQA, GPQA, MMLU-Pro, SimpleQA), while Gemma 3 27B is better at 1 benchmark (IFEval).

GPT-4o significantly outperforms across most benchmarks.

Wed May 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemma 3 27B costs less

For input processing, GPT-4o ($2.50/1M tokens) is 25.0x more expensive than Gemma 3 27B ($0.10/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 50.0x more expensive than Gemma 3 27B ($0.20/1M tokens).

In conclusion, GPT-4o is more expensive than Gemma 3 27B.*

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

Lowest available price from all providers
Wed May 27 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
Google
Gemma 3 27B
Input tokens$0.10
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

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 16,384 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Google
Gemma 3 27B
Input131,072 tokens
Output131,072 tokens
Wed May 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Gemma 3 27B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4o

Text
Images
Audio
Video

Gemma 3 27B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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.

GPT-4o

Proprietary

Closed source

Gemma 3 27B

Gemma

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while Gemma 3 27B was released on 2025-03-12.

Gemma 3 27B is 7 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.8 years ago

Gemma 3 27B

Mar 12, 2025

1.2 years ago

7mo newer

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

GPT-4o is available from Azure, OpenAI. Gemma 3 27B is available from DeepInfra, Novita.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

Gemma 3 27B

deepinfra logo
Deepinfra
Input Price:Input: $0.10/1MOutput Price:Output: $0.20/1M
novita logo
Novita
Input Price:Input: $0.11/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Higher AI2D score (94.2% vs 84.5%)
Higher ChartQA score (85.7% vs 78.0%)
Higher DocVQA score (92.8% vs 86.6%)
Higher GPQA score (70.1% vs 42.4%)
Higher MMLU-Pro score (74.7% vs 67.5%)
Higher SimpleQA score (38.2% vs 10.0%)
Google
Larger context window (131,072 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher IFEval score (90.4% vs 81.0%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Google
Gemma 3 27B

FAQ

Common questions about GPT-4o vs Gemma 3 27B.

Which is better, GPT-4o or Gemma 3 27B?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and Gemma 3 27B is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o compare to Gemma 3 27B in benchmarks?

GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. Gemma 3 27B scores GSM8k: 95.9%, IFEval: 90.4%, MATH: 89.0%, HumanEval: 87.8%, BIG-Bench Hard: 87.6%.

Is GPT-4o cheaper than Gemma 3 27B?

Gemma 3 27B is 25.0x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Gemma 3 27B costs $0.10/M input and $0.20/M output via deepinfra.

What are the context window sizes for GPT-4o and Gemma 3 27B?

GPT-4o supports 128K tokens and Gemma 3 27B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o and Gemma 3 27B?

Key differences include context window (128K vs 131K), input pricing ($2.50 vs $0.10/M), licensing (Proprietary vs Gemma). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Gemma 3 27B?

GPT-4o is developed by OpenAI and Gemma 3 27B is developed by Google.