Request gzipped responses

codex-rs/Cargo.lock

@@ -294,6 +294,19 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "async-compression"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "977eb15ea9efd848bb8a4a1a2500347ed7f0bf794edf0dc3ddcf439f43d36b23"
+dependencies = [
+ "compression-codecs",
+ "compression-core",
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "async-stream"
 version = "0.3.6"
@@ -1012,6 +1025,23 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "compression-codecs"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "485abf41ac0c8047c07c87c72c8fb3eb5197f6e9d7ded615dfd1a00ae00a0f64"
+dependencies = [
+ "compression-core",
+ "flate2",
+ "memchr",
+]
+
+[[package]]
+name = "compression-core"
+version = "0.4.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e47641d3deaf41fb1538ac1f54735925e275eaf3bf4d55c81b137fba797e5cbb"
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -3627,6 +3657,7 @@ version = "0.12.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d429f34c8092b2d42c7c93cec323bb4adeb7c67698f70839adec842ec10c7ceb"
 dependencies = [
+ "async-compression",
  "base64",
  "bytes",
  "encoding_rs",

codex-rs/core/Cargo.toml

@@ -32,7 +32,7 @@ os_info = "3.12.0"
 portable-pty = "0.9.0"
 rand = "0.9"
 regex-lite = "0.1.7"
-reqwest = { version = "0.12", features = ["json", "stream"] }
+reqwest = { version = "0.12", features = ["gzip", "json", "stream"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 sha1 = "0.10.6"

codex-rs/core/src/default_client.rs

@@ -113,6 +113,7 @@ pub fn create_client() -> reqwest::Client {
     let ua = get_codex_user_agent();
 
     reqwest::Client::builder()
+        .gzip(true)
         // Set UA via dedicated helper to avoid header validation pitfalls
         .user_agent(ua)
         .default_headers(headers)