diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
new file mode 100644
index 000000000..15b7f9db9
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -0,0 +1,108 @@
+# This workflow performs benchmark testing in Go.
+name: Performance Benchmarks Go
+
+on:
+  workflow_call:
+    inputs:
+      dafny:
+        description: "The Dafny version to run"
+        required: true
+        type: string
+      regenerate-code:
+        description: "Regenerate code using smithy-dafny"
+        required: false
+        default: false
+        type: boolean
+
+jobs:
+  testGo:
+    strategy:
+      fail-fast: false
+      matrix:
+        library: [AwsEncryptionSDK]
+        benchmark-dir: [esdk-performance-testing]
+        go-version: ["1.23", "1.24", "1.25"]
+        os: [
+            # Sed script doesn't work properly on windows
+            # windows-latest,
+            ubuntu-22.04,
+            # TODO: Re-enable macOS after https://t.corp.amazon.com/P205755286
+            # macos-15,
+          ]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: Support longpaths on Git checkout
+        run: |
+          git config --global core.longpaths true
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init libraries
+          git submodule update --init --recursive mpl
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-Public-ESDK-Dafny-Role-us-west-2
+          role-session-name: GoTests
+
+      - name: Setup Dafny
+        uses: ./mpl/.github/actions/setup_dafny
+        with:
+          dafny-version: ${{ inputs.dafny }}
+
+      - name: Install Smithy-Dafny codegen dependencies
+        uses: ./.github/actions/install_smithy_dafny_codegen_dependencies
+
+      - name: Setup NASM for Windows (aws-lc-sys)
+        if: matrix.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1
+
+      - name: Install Go
+        uses: actions/setup-go@v6
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Compile ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ${{ matrix.library }}
+        run: |
+          # This works because `node` is installed by default on GHA runners
+          CORES=$(node -e 'console.log(os.cpus().length)')
+          make transpile_go CORES=$CORES
+
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./${{matrix.benchmark-dir}}/benchmarks/go
+        run: |
+          go run . --config ../../config/test-scenarios.yaml --quick
+
+      - name: Parse and Format Logs
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="go_results.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -c --arg ts "$(date +%s)000" '[.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}]' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="cloudwatch_logs.json"
+          LOG_GROUP="aws-esdk-performance-benchmarks"
+          LOG_STREAM="go/${{matrix.go-version}}/quick_benchmarks/${{ github.workflow }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
diff --git a/.github/workflows/performance-benchmarks-java.yml b/.github/workflows/performance-benchmarks-java.yml
new file mode 100644
index 000000000..7b98182ae
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-java.yml
@@ -0,0 +1,79 @@
+# This workflow performs benchmark testing in Java.
+name: Performance Benchmarks Go
+
+on:
+  workflow_call:
+
+jobs:
+  testJava:
+    strategy:
+      fail-fast: false
+      matrix:
+        benchmark-dir: [esdk-performance-testing]
+        java: [17]
+        os: [
+            # Sed script doesn't work properly on windows
+            # windows-latest,
+            ubuntu-22.04,
+            # TODO: Re-enable macOS after https://t.corp.amazon.com/P205755286
+            # macos-15,
+          ]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: Support longpaths on Git checkout
+        run: |
+          git config --global core.longpaths true
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init libraries
+          git submodule update --init --recursive mpl
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-Public-ESDK-Dafny-Role-us-west-2
+          role-session-name: GoTests
+
+      - name: Setup Java Corretto ${{matrix.java}}
+        uses: actions/setup-java@v5
+        with:
+          distribution: "corretto"
+          java-version: ${{matrix.java}}
+
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./${{matrix.benchmark-dir}}/benchmarks/java
+        run: |
+          mvn clean compile
+          mvn exec:java -Dexec.mainClass="com.amazon.esdk.benchmark.Program" -Dexec.args="--quick"
+
+      - name: Parse and Format Logs
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="java_results.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -c --arg ts "$(date +%s)000" '[.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}]' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="cloudwatch_logs.json"
+          LOG_GROUP="aws-esdk-performance-benchmarks"
+          LOG_STREAM="java/corretto/${{matrix.java}}/quick_benchmarks/${{ github.workflow }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
diff --git a/.github/workflows/performance-benchmarks-net.yml b/.github/workflows/performance-benchmarks-net.yml
new file mode 100644
index 000000000..7547073a5
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-net.yml
@@ -0,0 +1,118 @@
+# This workflow performs benchmark testing in Net.
+name: Performance Benchmarks Net
+
+on:
+  workflow_call:
+    inputs:
+      dafny:
+        description: "The Dafny version to run"
+        required: true
+        type: string
+      regenerate-code:
+        description: "Regenerate code using smithy-dafny"
+        required: false
+        default: false
+        type: boolean
+
+jobs:
+  testNet:
+    strategy:
+      fail-fast: false
+      matrix:
+        library: [AwsEncryptionSDK]
+        benchmark-dir: [esdk-performance-testing]
+        os: [
+            ubuntu-22.04,
+            # TODO: Re-enable macOS after https://t.corp.amazon.com/P205755286
+            # macos-15,
+          ]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    env:
+      DOTNET_CLI_TELEMETRY_OPTOUT: 1
+      DOTNET_NOLOGO: 1
+    steps:
+      - name: Support longpaths on Git checkout
+        run: |
+          git config --global core.longpaths true
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init libraries
+          git submodule update --init --recursive mpl
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-Public-ESDK-Dafny-Role-us-west-2
+          role-session-name: NetTests
+
+      - name: Setup .NET Core SDK 6
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: "6.0.x"
+
+      - name: Setup Dafny
+        uses: ./mpl/.github/actions/setup_dafny
+        with:
+          dafny-version: ${{ inputs.dafny }}
+
+      - name: Install Smithy-Dafny codegen dependencies
+        uses: ./.github/actions/install_smithy_dafny_codegen_dependencies
+
+      - name: Regenerate code using smithy-dafny if necessary
+        if: ${{ inputs.regenerate-code }}
+        uses: ./.github/actions/polymorph_codegen
+        with:
+          dafny: ${{ env.DAFNY_VERSION }}
+          library: ${{ matrix.library }}
+          diff-generated-code: false
+          update-and-regenerate-mpl: true
+
+      - name: Download Dependencies
+        working-directory: ${{ matrix.library }}
+        run: make setup_net
+
+      - name: Compile ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ${{ matrix.library }}
+        run: |
+          # This works because `node` is installed by default on GHA runners
+          CORES=$(node -e 'console.log(os.cpus().length)')
+          make transpile_net CORES=$CORES
+
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./${{matrix.benchmark-dir}}/benchmarks/net
+        run: |
+          dotnet build --configuration Release
+          dotnet run --configuration Release -- --quick
+
+      - name: Parse and Format Logs
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="net_results.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -c --arg ts "$(date +%s)000" '[.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}]' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="cloudwatch_logs.json"
+          LOG_GROUP="aws-esdk-performance-benchmarks"
+          LOG_STREAM="net/${{matrix.os}}/quick_benchmarks/${{ github.workflow }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
diff --git a/.github/workflows/performance-benchmarks-python.yml b/.github/workflows/performance-benchmarks-python.yml
new file mode 100644
index 000000000..e3c40cb73
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-python.yml
@@ -0,0 +1,73 @@
+# This workflow performs benchmark testing in Java.
+name: Performance Benchmarks Go
+
+on:
+  workflow_call:
+
+jobs:
+  testPython:
+    strategy:
+      fail-fast: false
+      matrix:
+        benchmark-dir: [esdk-performance-testing]
+        python-version: ["3.11", "3.13"]
+        os: [ubuntu-22.04, macos-14]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: Support longpaths on Git checkout
+        run: |
+          git config --global core.longpaths true
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init libraries
+          git submodule update --init --recursive mpl
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-Public-ESDK-Dafny-Role-us-west-2
+          role-session-name: GoTests
+
+      - name: Setup Python ${{ matrix.python-version }} for running tests
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./${{matrix.benchmark-dir}}/benchmarks/python
+        run: |
+          pip install -r requirements.txt
+          python esdk_benchmark.py --quick
+
+      - name: Parse and Format Logs
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="python_results.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -c --arg ts "$(date +%s)000" '[.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}]' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="cloudwatch_logs.json"
+          LOG_GROUP="aws-esdk-performance-benchmarks"
+          LOG_STREAM="python/${{matrix.python-version}}/quick_benchmarks/${{ github.workflow }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
diff --git a/.github/workflows/performance-benchmarks-rust.yml b/.github/workflows/performance-benchmarks-rust.yml
new file mode 100644
index 000000000..97f0c4560
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-rust.yml
@@ -0,0 +1,126 @@
+# This workflow performs benchmark testing in Rust.
+name: Performance Benchmarks Rust
+
+on:
+  workflow_call:
+    inputs:
+      dafny:
+        description: "The Dafny version to run"
+        required: true
+        type: string
+      regenerate-code:
+        description: "Regenerate code using smithy-dafny"
+        required: false
+        default: false
+        type: boolean
+
+jobs:
+  testRust:
+    strategy:
+      fail-fast: false
+      matrix:
+        library: [AwsEncryptionSDK]
+        benchmark-dir: [esdk-performance-testing]
+        os: [
+            ubuntu-22.04,
+            # TODO: Re-enable macOS after https://t.corp.amazon.com/P205755286
+            # macos-15,
+          ]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: Support longpaths on Git checkout
+        run: |
+          git config --global core.longpaths true
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init libraries
+          git submodule update --init --recursive mpl
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-Public-ESDK-Dafny-Role-us-west-2
+          role-session-name: RustTests
+
+      - name: Setup Rust Toolchain for GitHub CI
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+
+      - name: Setup Dafny
+        uses: ./mpl/.github/actions/setup_dafny
+        with:
+          dafny-version: 4.10.0
+
+      - name: Setup Java 17 for codegen
+        uses: actions/setup-java@v5
+        with:
+          distribution: "corretto"
+          java-version: "17"
+
+      - name: Setup NASM for Windows (aws-lc-sys)
+        if: matrix.os == 'windows-latest'
+        uses: ilammy/setup-nasm@v1
+
+      - name: Install Smithy-Dafny codegen dependencies
+        uses: ./.github/actions/install_smithy_dafny_codegen_dependencies
+
+      - name: Regenerate code using smithy-dafny if necessary
+        if: ${{ inputs.regenerate-code }}
+        uses: ./.github/actions/polymorph_codegen
+        with:
+          dafny: ${{ env.DAFNY_VERSION }}
+          library: ${{ matrix.library }}
+          diff-generated-code: false
+          update-and-regenerate-mpl: true
+
+      - name: Run make polymorph_rust
+        shell: bash
+        working-directory: ${{ matrix.library }}
+        run: |
+          make polymorph_rust
+
+      - name: Compile ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ${{ matrix.library }}
+        run: |
+          # This works because `node` is installed by default on GHA runners
+          CORES=$(node -e 'console.log(os.cpus().length)')
+          make transpile_rust CORES=$CORES
+
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./${{matrix.benchmark-dir}}/benchmarks/rust
+        run: |
+          cargo run --release -- --quick
+
+      - name: Parse and Format Logs
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="rust_results.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -c --arg ts "$(date +%s)000" '[.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}]' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
+        run: |
+          LOG_FILE="cloudwatch_logs.json"
+          LOG_GROUP="aws-esdk-performance-benchmarks"
+          LOG_STREAM="rust/${{matrix.os}}/quick_benchmarks/${{ github.workflow }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
diff --git a/.github/workflows/performance-benchmarks.yml b/.github/workflows/performance-benchmarks.yml
new file mode 100644
index 000000000..a09705a0c
--- /dev/null
+++ b/.github/workflows/performance-benchmarks.yml
@@ -0,0 +1,55 @@
+# This workflow runs every day 09:00 UTC (1AM PST)
+name: Performance Benchmarks
+
+permissions:
+  id-token: write
+  contents: read
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/performance-benchmarks.yml"
+  schedule:
+    - cron: "00 09 * * *"
+
+jobs:
+  getVersion:
+    if: github.event_name != 'schedule' || github.repository_owner == 'aws'
+    uses: ./.github/workflows/dafny_version.yaml
+  performance-benchmarks-go:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-go.yml
+    with:
+      dafny: ${{needs.getVersion.outputs.version}}
+  performance-benchmarks-java:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-java.yml
+  performance-benchmarks-net:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-net.yml
+    with:
+      dafny: ${{needs.getVersion.outputs.version}}
+  performance-benchmarks-rust:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-rust.yml
+    with:
+      dafny: ${{needs.getVersion.outputs.version}}
+  performance-benchmarks-python:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-python.yml
+  notify:
+    needs:
+      [
+        getVersion,
+        performance-benchmarks-go,
+        performance-benchmarks-java,
+        performance-benchmarks-net,
+        performance-benchmarks-rust,
+        performance-benchmarks-python,
+      ]
+    if: ${{ failure() }}
+    uses: aws/aws-cryptographic-material-providers-library/.github/workflows/slack-notification.yml@main
+    with:
+      message: "Performance Benchmarks failed on `${{ github.repository }}`. View run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+    secrets:
+      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_CI }}