Claude 3 Opus vs Claude 3 Haiku

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Opus

Anthropic

First generation Opus. Highest reasoning capability in the Claude 3 family.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForDeep analysis, complex coding tasks
Benchmark78/100

Claude 3 Haiku

Anthropic

Cheapest Claude model. Fast responses for simple tasks and basic coding.

Input$0.250/M
Output$1.25/M
Context200K tokens
Best ForSimple queries, fast responses, cost-sensitive tasks
Benchmark45/100

Benchmark Performance Comparison

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

BenchmarkClaude 3 OpusClaude 3 HaikuLeader
Overall Score 78 45 Claude 3 Opus leads by 33pts
SWE-bench Verified 74 38 Claude 3 Opus leads by 36pts
LiveCodeBench 80 46 Claude 3 Opus leads by 34pts
HumanEval 94 68 Claude 3 Opus leads by 26pts
BigCodeBench 64 30 Claude 3 Opus leads by 34pts

Cost Comparison by Scenario

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

ScenarioClaude 3 OpusClaude 3 HaikuSavings
Small Script (1K lines) $2.77 $0.05 Claude 3 Haiku saves $2.73 (98%)
Medium Feature (10K lines) $20.25 $0.34 Claude 3 Haiku saves $19.91 (98%)
Large Project (50K lines) $101.25 $1.69 Claude 3 Haiku saves $99.56 (98%)
Code Review (5K lines) $4.50 $0.07 Claude 3 Haiku saves $4.42 (98%)

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 Opus 78 $0.192/pt Higher cost per point
Claude 3 Haiku 45 $0.006/pt Better value

Claude 3 Haiku delivers the best value at $0.006 per score point.

Strengths & Weaknesses

Claude 3 Opus

  • + Strong reasoning
  • + Proven track record
  • - Older generation
  • - Expensive

Claude 3 Haiku

  • + Very cheap
  • + Fast
  • - Basic capability only

Verdict

Claude 3 Haiku is cheaper at $0.250/M, but Claude 3 Opus scores higher on benchmarks (78 vs 45).

Choose Claude 3 Haiku for cost-sensitive projects, Claude 3 Opus when performance matters most.

Compare with Other Models