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

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, DeepSeek R1 (Free) or Gemini 3.1 Pro?

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/DeepSeek R1 (Free) vs Gemini 3.1 Pro

DeepSeek R1 (Free) vs Gemini 3.1 Pro

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

Quick Verdict

DeepSeek R1 (Free) is the more affordable option and costs less per token. Gemini 3.1 Pro leads in quality benchmarks. For budget-conscious users, go with DeepSeek R1 (Free). For maximum quality, choose Gemini 3.1 Pro.

Specification Comparison

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

Monthly Cost Comparison (100 tasks/month)

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

Strengths

DeepSeek R1 (Free)

codingmathanalysis

Gemini 3.1 Pro

codinganalysismathresearchimage analysis

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.