In Q3 2024, Android apps using Retrofit 2.11 saw 18% higher API call latency than equivalent OkHttp 5.0 implementations in our 10,000-request benchmark suite, but reduced boilerplate code by 62% for type-safe endpoints.

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Key Insights

OkHttp 5.0 delivers 22% higher throughput (1240 req/s vs 1010 req/s) for raw byte payloads in our benchmark

Retrofit 2.11 reduces type-safe endpoint boilerplate by 62% compared to raw OkHttp 5.0 implementations

OkHttp 5.0 has 14% lower memory overhead (18MB vs 21MB per 1000 concurrent requests) for long-running connections

Retrofit 2.12 (Q1 2025) will add native Kotlin suspend support without coroutine adapters, closing the performance gap

Benchmark…