Claude 3.5 Haiku vs DeepSeek Chat V3

Performance benchmarks + pricing comparison — updated April 2026

Claude 3.5 Haiku

Anthropic

Fast, cost-effective model for high-volume tasks. Great for code review and simple queries.

Input$0.800/M
Output$4.00/M
Context200K tokens
Best ForCode review, high-volume tasks, simple queries
Benchmark52/100

DeepSeek Chat V3

DeepSeek

Very affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCost-sensitive projects, coding, general tasks
Benchmark62/100

Benchmark Performance Comparison

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

BenchmarkClaude 3.5 HaikuDeepSeek Chat V3Leader
Overall Score 52 62 DeepSeek Chat (V3) leads by 10pts
SWE-bench Verified 45 56 DeepSeek Chat (V3) leads by 11pts
LiveCodeBench 55 64 DeepSeek Chat (V3) leads by 9pts
HumanEval 75 84 DeepSeek Chat (V3) leads by 9pts
BigCodeBench 38 46 DeepSeek Chat (V3) leads by 8pts

Cost Comparison by Scenario

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

ScenarioClaude 3.5 HaikuDeepSeek Chat V3Savings
Small Script (1K lines) $0.16 $0.04 DeepSeek Chat V3 saves $0.12 (74%)
Medium Feature (10K lines) $1.24 $0.31 DeepSeek Chat V3 saves $0.93 (75%)
Large Project (50K lines) $6.21 $1.57 DeepSeek Chat V3 saves $4.64 (75%)
Code Review (5K lines) $0.32 $0.07 DeepSeek Chat V3 saves $0.25 (77%)

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
Claude 3.5 Haiku 52 $0.015/pt Higher cost per point
DeepSeek Chat V3 62 $0.004/pt Better value

DeepSeek Chat V3 delivers the best value at $0.004 per score point.

Strengths & Weaknesses

Claude 3.5 Haiku

  • + Fastest Claude model
  • + Cheapest option
  • + Good for code review
  • - Struggles with complex tasks
  • - Limited reasoning depth

DeepSeek Chat V3

  • + Excellent value
  • + Strong coding focus
  • - Less general-purpose

Verdict

DeepSeek Chat V3 wins on both price and performance — $0.270/M input with a benchmark score of 62/100.

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

Compare with Other Models