Claude Opus 4 vs DeepSeek V3

Performance benchmarks + pricing comparison — updated April 2026

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

Input$15.00/M
Output$75.00/M
Context200K tokens
Best ForComplex architecture decisions, debugging hard bugs, research
Benchmark86/100

DeepSeek V3

DeepSeek

DeepSeek's latest general model. Competitive with Claude Sonnet at a fraction of the cost.

Input$0.140/M
Output$0.280/M
Context128K tokens
Best ForCost-effective coding and general tasks

Cost Comparison by Scenario

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

ScenarioClaude Opus 4DeepSeek V3Savings
Small Script (1K lines) $3.08 $0.01 DeepSeek V3 saves $3.07 (100%)
Medium Feature (10K lines) $23.29 $0.11 DeepSeek V3 saves $23.18 (100%)
Large Project (50K lines) $116.44 $0.53 DeepSeek V3 saves $115.91 (100%)
Code Review (5K lines) $6.02 $0.03 DeepSeek V3 saves $5.99 (99%)

Verdict

DeepSeek V3 wins on both price and performance — $0.140/M input with a benchmark score of N/A/100.

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

Compare with Other Models