Model Comparison
GPT-4o vs Gemma 3n E4B InstructedWhich is better in 2026?
GPT-4o significantly outperforms across most benchmarks. GPT-4o is 5.7x cheaper per token.
Verdict: GPT-4o vs Gemma 3n E4B Instructed — which is better?
GPT-4o (by OpenAI) and Gemma 3n E4B Instructed (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.
GPT-4o outperforms in 3 benchmarks (GPQA, MMLU, MMLU-Pro), while Gemma 3n E4B Instructed is better at 0 benchmarks. GPT-4o significantly outperforms across most benchmarks.
On price, GPT-4o is roughly 5.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-4o also accepts a larger context window (128,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-4o if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- cost matters — it's about 5.7x cheaper per token
- you process long inputs — it offers a 128,000 token context window
Choose Gemma 3n E4B Instructed if…
- you want the most recent training data — it shipped Jun 2025
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4o outperforms in 3 benchmarks (GPQA, MMLU, MMLU-Pro), while Gemma 3n E4B Instructed is better at 0 benchmarks.
GPT-4o significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4o ($2.50/1M tokens) is 8.0x cheaper than Gemma 3n E4B Instructed ($20.00/1M tokens).
For output processing, GPT-4o ($10.00/1M tokens) is 4.0x cheaper than Gemma 3n E4B Instructed ($40.00/1M tokens).
In conclusion, Gemma 3n E4B Instructed is more expensive than GPT-4o.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-4o accepts 128,000 input tokens compared to Gemma 3n E4B Instructed's 32,000 tokens. Gemma 3n E4B Instructed can generate longer responses up to 32,000 tokens, while GPT-4o is limited to 16,384 tokens.
Input Capabilities
Supported data types and modalities
Both GPT-4o and Gemma 3n E4B Instructed support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-4o
Gemma 3n E4B Instructed
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-4o was released on 2024-08-06, while Gemma 3n E4B Instructed was released on 2025-06-26.
Gemma 3n E4B Instructed is 11 months newer than GPT-4o.
Aug 6, 2024
1.9 years ago
Jun 26, 2025
1.0 years ago
10mo newerKnowledge Cutoff
When training data ends
Gemma 3n E4B Instructed has a documented knowledge cutoff of 2024-06-01, while GPT-4o's cutoff date is not specified.
We can confirm Gemma 3n E4B Instructed's training data extends to 2024-06-01, but cannot make a direct comparison without GPT-4o's cutoff date.
—
Jun 2024
Provider Availability
GPT-4o is available from Azure, OpenAI. Gemma 3n E4B Instructed is available from Together.
GPT-4o
Gemma 3n E4B Instructed
Outputs Comparison
Key Takeaways
GPT-4o
View detailsOpenAI
No standout differentiators in the data we have for this pair.
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-4o and Gemma 3n E4B Instructed side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-4o vs Gemma 3n E4B Instructed.