diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
new file mode 100644
index 000000000..eca316cb3
--- /dev/null
+++ b/.github/workflows/sync-upstream.yml
@@ -0,0 +1,42 @@
+name: Sync with Upstream
+
+# Automatically sync this fork with the upstream repository
+# Runs on a schedule and can be triggered manually
+
+on:
+  schedule:
+    # Run every 6 hours to keep fork in sync
+    - cron: '0 */6 * * *'
+  workflow_dispatch:
+    # Allow manual triggering
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Configure Git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Add upstream remote
+        run: |
+          git remote add upstream https://github.com/anomalyco/models.dev || true
+          git fetch upstream
+
+      - name: Sync dev branch
+        run: |
+          git checkout dev || git checkout -b dev
+          git reset --hard upstream/dev
+          git push --force origin dev
+
+      - name: Sync other branches if needed
+        run: |
+          # Add additional branch syncing here if needed
+          echo "Main dev branch synced successfully"
diff --git a/providers/github-copilot/models/gemini-3.1-pro.toml b/providers/github-copilot/models/gemini-3.1-pro.toml
new file mode 100644
index 000000000..5d4a9d733
--- /dev/null
+++ b/providers/github-copilot/models/gemini-3.1-pro.toml
@@ -0,0 +1,23 @@
+name = "Gemini 3.1 Pro"
+family = "gemini-pro"
+release_date = "2026-02-19"
+last_updated = "2026-02-19"
+attachment = true
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2025-01"
+open_weights = false
+
+[cost]
+input = 0
+output = 0
+
+[limit]
+context = 1_048_576
+output = 65_536
+
+[modalities]
+input = ["text", "image", "audio", "video", "pdf"]
+output = ["text"]
diff --git a/providers/google-vertex/models/gemini-3.1-pro.toml b/providers/google-vertex/models/gemini-3.1-pro.toml
new file mode 100644
index 000000000..046c3cc7a
--- /dev/null
+++ b/providers/google-vertex/models/gemini-3.1-pro.toml
@@ -0,0 +1,29 @@
+name = "Gemini 3.1 Pro"
+family = "gemini-pro"
+release_date = "2026-02-19"
+last_updated = "2026-02-19"
+attachment = true
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2025-01"
+open_weights = false
+
+[cost]
+input = 2.00
+output = 12.00
+cache_read = 0.20
+
+[cost.context_over_200k]
+input = 4.00
+output = 18.00
+cache_read = 0.40
+
+[limit]
+context = 1_048_576
+output = 65_536
+
+[modalities]
+input = ["text", "image", "video", "audio", "pdf"]
+output = ["text"]
diff --git a/providers/google/models/gemini-3.1-pro.toml b/providers/google/models/gemini-3.1-pro.toml
new file mode 100644
index 000000000..046c3cc7a
--- /dev/null
+++ b/providers/google/models/gemini-3.1-pro.toml
@@ -0,0 +1,29 @@
+name = "Gemini 3.1 Pro"
+family = "gemini-pro"
+release_date = "2026-02-19"
+last_updated = "2026-02-19"
+attachment = true
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2025-01"
+open_weights = false
+
+[cost]
+input = 2.00
+output = 12.00
+cache_read = 0.20
+
+[cost.context_over_200k]
+input = 4.00
+output = 18.00
+cache_read = 0.40
+
+[limit]
+context = 1_048_576
+output = 65_536
+
+[modalities]
+input = ["text", "image", "video", "audio", "pdf"]
+output = ["text"]
diff --git a/providers/opencode/models/gemini-3.1-pro.toml b/providers/opencode/models/gemini-3.1-pro.toml
new file mode 100644
index 000000000..bb2f3c0a9
--- /dev/null
+++ b/providers/opencode/models/gemini-3.1-pro.toml
@@ -0,0 +1,32 @@
+name = "Gemini 3.1 Pro"
+family = "gemini-pro"
+release_date = "2026-02-19"
+last_updated = "2026-02-19"
+attachment = true
+reasoning = true
+temperature = true
+tool_call = true
+structured_output = true
+knowledge = "2025-01"
+open_weights = false
+
+[cost]
+input = 2.00
+output = 12.00
+cache_read = 0.20
+
+[cost.context_over_200k]
+input = 4.00
+output = 18.00
+cache_read = 0.40
+
+[limit]
+context = 1_048_576
+output = 65_536
+
+[modalities]
+input = ["text", "image", "video", "audio", "pdf"]
+output = ["text"]
+
+[provider]
+npm = "@ai-sdk/google"
\ No newline at end of file