GPT-4o mini vs DeepSeek V3

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

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.

ScenarioGPT-4o miniDeepSeek V3Savings
Small Script (1K lines) $0.02 $0.01 DeepSeek V3 saves $0.01 (45%)
Medium Feature (10K lines) $0.18 $0.11 DeepSeek V3 saves $0.08 (43%)
Large Project (50K lines) $0.92 $0.53 DeepSeek V3 saves $0.39 (43%)
Code Review (5K lines) $0.05 $0.03 DeepSeek V3 saves $0.02 (33%)

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