Model Comparison

Gemma 3n E4B Instructed vs GPT-4.5

GPT-4.5 significantly outperforms across most benchmarks. Gemma 3n E4B Instructed is 3.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemma 3n E4B Instructed outperforms in 0 benchmarks, while GPT-4.5 is better at 3 benchmarks (GPQA, HumanEval, MMLU).

GPT-4.5 significantly outperforms across most benchmarks.

Mon Apr 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemma 3n E4B Instructed costs less

For input processing, Gemma 3n E4B Instructed ($20.00/1M tokens) is 3.8x cheaper than GPT-4.5 ($75.00/1M tokens).

For output processing, Gemma 3n E4B Instructed ($40.00/1M tokens) is 3.8x cheaper than GPT-4.5 ($150.00/1M tokens).

In conclusion, GPT-4.5 is more expensive than Gemma 3n E4B Instructed.*

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

Lowest available price from all providers
Mon Apr 13 2026 • llm-stats.com
Google
Gemma 3n E4B Instructed
Input tokens$20.00
Output tokens$40.00
Best providerTogether
OpenAI
GPT-4.5
Input tokens$75.00
Output tokens$150.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4.5 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-4.5 is limited to 4,096 tokens.

Google
Gemma 3n E4B Instructed
Input32,000 tokens
Output32,000 tokens
OpenAI
GPT-4.5
Input128,000 tokens
Output4,096 tokens
Mon Apr 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3n E4B Instructed and GPT-4.5 support multimodal inputs.

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

Gemma 3n E4B Instructed

Text
Images
Audio
Video

GPT-4.5

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemma 3n E4B Instructed

Proprietary

Closed source

GPT-4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3n E4B Instructed was released on 2025-06-26, while GPT-4.5 was released on 2025-02-27.

Gemma 3n E4B Instructed is 4 months newer than GPT-4.5.

Gemma 3n E4B Instructed

Jun 26, 2025

9 months ago

3mo newer
GPT-4.5

Feb 27, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

Gemma 3n E4B Instructed has a documented knowledge cutoff of 2024-06-01, while GPT-4.5'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-4.5's cutoff date.

Gemma 3n E4B Instructed

Jun 2024

GPT-4.5

—

Provider Availability

Gemma 3n E4B Instructed is available from Together. GPT-4.5 is available from OpenAI.

Gemma 3n E4B Instructed

together logo
Together
Input Price:Input: $20.00/1MOutput Price:Output: $40.00/1M

GPT-4.5

openai logo
OpenAI
Input Price:Input: $75.00/1MOutput Price:Output: $150.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Less expensive input tokens
Less expensive output tokens
OpenAI
Larger context window (128,000 tokens)
Higher GPQA score (69.5% vs 23.7%)
Higher HumanEval score (88.0% vs 75.0%)
Higher MMLU score (90.8% vs 64.9%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemma 3n E4B Instructed
OpenAI
GPT-4.5

FAQ

Common questions about Gemma 3n E4B Instructed vs GPT-4.5

GPT-4.5 significantly outperforms across most benchmarks. Gemma 3n E4B Instructed is made by Google and GPT-4.5 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemma 3n E4B Instructed scores HumanEval: 75.0%, MGSM: 67.0%, MMLU: 64.9%, Global-MMLU-Lite: 64.5%, MBPP: 63.6%. GPT-4.5 scores GSM8k: 97.0%, MMLU: 90.8%, CharXiv-D: 90.0%, IFEval: 88.2%, HumanEval: 88.0%.
Gemma 3n E4B Instructed is 3.8x cheaper for input tokens. Gemma 3n E4B Instructed costs $20.00/M input and $40.00/M output via together. GPT-4.5 costs $75.00/M input and $150.00/M output via openai.
Gemma 3n E4B Instructed supports 32K tokens and GPT-4.5 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (32K vs 128K), input pricing ($20.00 vs $75.00/M). See the full comparison above for benchmark-by-benchmark results.
Gemma 3n E4B Instructed is developed by Google and GPT-4.5 is developed by OpenAI.