Gemma 3n E2B Instruct vs Gemini 3.1 Pro Preview: Which AI Model Is Better?

Updated March 26, 2026· Based on independent benchmark data

Quick Verdict

Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 4.8. For speed, Gemini 3.1 Pro Preview wins at 113 tok/s vs 41 tok/s.

Head-to-Head Comparison

Metric	Gemma 3n E2B Instruct	Gemini 3.1 Pro Preview
Intelligence Score	4.8	57.2
Coding Score	2.2	55.5
Math Score	10.3	N/A
Speed (tok/s)	41 tok/s	113 tok/s
Latency (TTFT)	0.41s	23.84s
Input Price / 1M tokens	Free	$2.00
Output Price / 1M tokens	Free	$12
Context Window	N/A

Detailed Analysis

Intelligence & Quality

Gemini 3.1 Pro Preview outperforms Gemma 3n E2B Instruct on the intelligence index with a score of 57.2 compared to 4.8. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 2.2.

Speed & Latency

Gemini 3.1 Pro Preview generates output significantly faster at 113 tok/s compared to Gemma 3n E2B Instruct's 41 tok/s, making it 2.8x faster for streaming responses. Time to first token is 0.41s for Gemma 3n E2B Instruct vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.

Pricing

Gemma 3n E2B Instruct is completely free, while Gemini 3.1 Pro Preview costs $2.00/1M input tokens and $12/1M output tokens.

Best Use Cases

Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5), faster output (113 tok/s).

Choose Gemma 3n E2B Instruct if:

✓You want lower latency (0.41s vs 23.84s TTFT)
✓You want zero cost (Free vs paid)

Choose Gemini 3.1 Pro Preview if:

✓You need higher intelligence (score: 57.2 vs 4.8)
✓You prioritize coding performance (score: 55.5 vs 2.2)
✓You need faster throughput (113 tok/s vs 41 tok/s)
✓You need image understanding (Supports image input)

Frequently Asked Questions

Is Gemma 3n E2B Instruct better than Gemini 3.1 Pro Preview for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 2.2), making it the better choice for programming tasks.

Is Gemma 3n E2B Instruct faster than Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is faster, producing output at 113 tok/s compared to Gemma 3n E2B Instruct's 41 tok/s.

Can Gemma 3n E2B Instruct process images?

No, Gemma 3n E2B Instruct does not support image input. However, Gemini 3.1 Pro Preview does support images.

Should I use Gemma 3n E2B Instruct or Gemini 3.1 Pro Preview?

It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but Gemma 3n E2B Instruct may be better for specific use cases like cost savings or speed-critical applications.

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View Gemma 3n E2B Instructdetails →View Gemini 3.1 Pro Previewdetails →Full pricing comparison →

Data last synced: March 26, 2026