DeepSeek Reasoner (R1) vs Grok 3

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

Grok 3

xAI

xAI's flagship model. Strong general-purpose capability with real-time knowledge access through X platform integration.

Input$3.00/M
Output$15.00/M
Context128K tokens
Best ForGeneral coding, research tasks, current-event-aware applications
Benchmark70/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkDeepSeek Reasoner (R1)Grok 3Leader
Overall Score 72 70 DeepSeek Reasoner (R1) leads by 2pts
SWE-bench Verified 68 64 DeepSeek Reasoner (R1) leads by 4pts
LiveCodeBench 76 72 DeepSeek Reasoner (R1) leads by 4pts
HumanEval 90 88 DeepSeek Reasoner (R1) leads by 2pts
BigCodeBench 56 56 DeepSeek Reasoner (R1) leads by 0pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioDeepSeek Reasoner (R1)Grok 3Savings
Small Script (1K lines) $0.08 $0.55 DeepSeek Reasoner (R1) saves $0.47 (85%)
Medium Feature (10K lines) $0.63 $4.05 DeepSeek Reasoner (R1) saves $3.42 (84%)
Large Project (50K lines) $3.15 $20.25 DeepSeek Reasoner (R1) saves $17.10 (84%)
Code Review (5K lines) $0.15 $0.90 DeepSeek Reasoner (R1) saves $0.75 (83%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
DeepSeek Reasoner (R1) 72 $0.008/pt Better value
Grok 3 70 $0.043/pt Higher cost per point

DeepSeek Reasoner (R1) delivers the best value at $0.008 per score point.

Strengths & Weaknesses

DeepSeek Reasoner (R1)

  • + Strong reasoning chain
  • + Good value
  • - Slow on simple tasks

Grok 3

  • + Strong reasoning
  • + X integration
  • - Newer model
  • - Limited ecosystem

Verdict

DeepSeek Reasoner (R1) wins on both price and performance — $0.550/M input with a benchmark score of 72/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models