diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index 72ce00522f..b945316ce4 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -379,7 +379,15 @@ jobs:
           cargo chef cook --recipe-path "$RECIPE" --target ${{ matrix.target }} --release --all-features
 
       - name: cargo clippy
-        run: cargo clippy --target ${{ matrix.target }} --all-features --tests --profile ${{ matrix.profile }} -- -D warnings
+        run: cargo clippy --target ${{ matrix.target }} --all-features --tests --profile ${{ matrix.profile }} --timings -- -D warnings
+
+      - name: Upload Cargo timings (clippy)
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: cargo-timings-rust-ci-clippy-${{ matrix.target }}-${{ matrix.profile }}
+          path: codex-rs/target/**/cargo-timings/cargo-timing.html
+          if-no-files-found: warn
 
       # Save caches explicitly; make non-fatal so cache packaging
       # never fails the overall job. Only save when key wasn't hit.
@@ -560,11 +568,19 @@ jobs:
 
       - name: tests
         id: test
-        run: cargo nextest run --all-features --no-fail-fast --target ${{ matrix.target }} --cargo-profile ci-test
+        run: cargo nextest run --all-features --no-fail-fast --target ${{ matrix.target }} --cargo-profile ci-test --timings=html
         env:
           RUST_BACKTRACE: 1
           NEXTEST_STATUS_LEVEL: leak
 
+      - name: Upload Cargo timings (nextest)
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: cargo-timings-rust-ci-nextest-${{ matrix.target }}-${{ matrix.profile }}
+          path: codex-rs/target/**/cargo-timings/cargo-timing.html
+          if-no-files-found: warn
+
       - name: Save cargo home cache
         if: always() && !cancelled() && steps.cache_cargo_home_restore.outputs.cache-hit != 'true'
         continue-on-error: true