Gemini 2.5 Pro vs DeepSeek R1

Detailed comparison between Gemini 2.5 Pro and DeepSeek R1 for RAG applications. See which LLM best meets your accuracy, performance, and cost needs.

Model Comparison

Gemini 2.5 Pro takes the lead.

Both Gemini 2.5 Pro and DeepSeek R1 are powerful language models designed for RAG applications. However, their performance characteristics differ in important ways.

Why Gemini 2.5 Pro:

  • Gemini 2.5 Pro has 91 higher ELO rating
  • Gemini 2.5 Pro is 3.1s faster on average
  • Gemini 2.5 Pro has a 15.2% higher win rate

Overview

Key metrics

ELO Rating

Overall ranking quality

Gemini 2.5 Pro

1429

DeepSeek R1

1338

Win Rate

Head-to-head performance

Gemini 2.5 Pro

35.4%

DeepSeek R1

20.3%

Quality Score

Overall quality metric

Gemini 2.5 Pro

4.88

DeepSeek R1

4.86

Average Latency

Response time

Gemini 2.5 Pro

15199ms

DeepSeek R1

18271ms

Visual Performance Analysis

Performance

ELO Rating Comparison

Win/Loss/Tie Breakdown

Quality Across Datasets (Overall Score)

Latency Distribution (ms)

Breakdown

How the models stack up

MetricGemini 2.5 ProDeepSeek R1Description
Overall Performance
ELO Rating
1429
1338
Overall ranking quality based on pairwise comparisons
Win Rate
35.4%
20.3%
Percentage of comparisons won against other models
Quality Score
4.88
4.86
Average quality across all RAG metrics
Pricing & Context
Input Price per 1M
$1.25
$0.30
Cost per million input tokens
Output Price per 1M
$10.00
$1.20
Cost per million output tokens
Context Window
1049K
164K
Maximum context window size
Release Date
2025-06-17
2025-01-20
Model release date
Performance Metrics
Avg Latency
15.2s
18.3s
Average response time across all datasets

Dataset Performance

By benchmark

Comprehensive comparison of RAG quality metrics (correctness, faithfulness, grounding, relevance, completeness) and latency for each benchmark dataset.

MSMARCO

MetricGemini 2.5 ProDeepSeek R1Description
Quality Metrics
Correctness
4.90
4.73
Factual accuracy of responses
Faithfulness
4.93
4.77
Adherence to source material
Grounding
4.93
4.77
Citations and context usage
Relevance
5.00
4.87
Query alignment and focus
Completeness
4.90
4.37
Coverage of all aspects
Overall
4.93
4.70
Average across all metrics
Latency Metrics
Mean
12449ms
16654ms
Average response time
Min7629ms9675msFastest response time
Max23066ms31255msSlowest response time

PG

MetricGemini 2.5 ProDeepSeek R1Description
Quality Metrics
Correctness
5.00
4.93
Factual accuracy of responses
Faithfulness
5.00
4.93
Adherence to source material
Grounding
5.00
4.90
Citations and context usage
Relevance
5.00
4.97
Query alignment and focus
Completeness
5.00
4.60
Coverage of all aspects
Overall
5.00
4.87
Average across all metrics
Latency Metrics
Mean
17834ms
23334ms
Average response time
Min11067ms12280msFastest response time
Max49308ms85633msSlowest response time

SciFact

MetricGemini 2.5 ProDeepSeek R1Description
Quality Metrics
Correctness
4.73
4.93
Factual accuracy of responses
Faithfulness
4.80
4.97
Adherence to source material
Grounding
4.80
4.93
Citations and context usage
Relevance
4.73
5.00
Query alignment and focus
Completeness
4.57
4.83
Coverage of all aspects
Overall
4.73
4.93
Average across all metrics
Latency Metrics
Mean
15314ms
14826ms
Average response time
Min8817ms7765msFastest response time
Max35365ms33129msSlowest response time

Explore More

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