Which model is cheaper, Gemini 3.1 Pro or DeepSeek R1 (Free)?

DeepSeek R1 (Free) costs less at Free/1M combined tokens vs $17.50/1M. That difference adds up over thousands of API calls.

Which model is faster, Gemini 3.1 Pro or DeepSeek R1 (Free)?

Gemini 3.1 Pro is faster at 113 tokens/second vs 40 tokens/second. Speed matters most for interactive applications and real-time agent workflows.

Compare/Gemini 3.1 Pro vs DeepSeek R1 (Free)

Gemini 3.1 Pro vs DeepSeek R1 (Free)

Side-by-side comparison for AI agent model selection.

Quick Verdict

Gemini 3.1 Pro has higher benchmark scores. DeepSeek R1 (Free) offers competitive value at a lower price point. For budget-conscious users, go with DeepSeek R1 (Free). For maximum quality, choose Gemini 3.1 Pro.

Specification Comparison

	Gemini 3.1 Pro	DeepSeek R1 (Free)
Provider	Google	DeepSeek
Tier	Frontier	Free
Quality Score	57	27
Input Price	$2.50/1M	Free/1M
Output Price	$15.00/1M	Free/1M
Speed	113 tok/s	40 tok/s
Context Window	1.0M	64K
Max Output	66K	8K
Reasoning	Yes	Yes
Vision	Yes	No

Monthly Cost Comparison (100 tasks/month)

Task	Gemini 3.1 Pro	DeepSeek R1 (Free)	Savings
Coding	$33.75	Free	DeepSeek R1 (Free) saves $33.75
Analysis	$18.75	Free	DeepSeek R1 (Free) saves $18.75
Research	$15.00	Free	DeepSeek R1 (Free) saves $15.00
Image Analysis	$4.50	Free	DeepSeek R1 (Free) saves $4.50
Math & Reasoning	$11.25	Free	DeepSeek R1 (Free) saves $11.25

Strengths

Gemini 3.1 Pro

codinganalysismathresearchimage analysis

DeepSeek R1 (Free)

codingmathanalysis

Frequently Asked Questions

It depends on your priorities. Gemini 3.1 Pro has a higher quality score (57 vs 27), while DeepSeek R1 (Free) is more affordable. For demanding tasks like coding or analysis, lean toward the higher-scoring model. For high-volume, cost-sensitive workloads, the cheaper option may be the smarter choice.