diff --git a/hyprland/.config/waybar/config b/hyprland/.config/waybar/config
index dc9fdd4b..da9199d5 100644
--- a/hyprland/.config/waybar/config
+++ b/hyprland/.config/waybar/config
@@ -63,7 +63,7 @@
 	"margin-right": 16,
 	"modules-left": ["gamemode", "battery", "temperature", "cpu", "memory", "network"],
 	"modules-center": [],
-	"modules-right": ["mpris", "pulseaudio", "custom/output-device", "backlight", "idle_inhibitor", "clock"],
+	"modules-right": ["mpris", "pulseaudio", "custom/output-device", "custom/openai-rate", "backlight", "idle_inhibitor", "clock"],
 	"clock": {
 		"format": "{:%a %b %d %I:%M %p}",
 		"tooltip": false
@@ -155,6 +155,14 @@
 		"exec": "flatpak remote-ls --updates --app | wc -l",
 		"exec-if": "test $(flatpak remote-ls --updates --app | wc -l) -gt 0"
 	},
+	"custom/openai-rate": {
+		"interval": 15,
+		"return-type": "json",
+		"exec": "$HOME/.config/waybar/scripts/openai-rate.py",
+		"exec-if": "test -r ~/.codex/auth.json",
+		"max-length": 90,
+		"format": "{}"
+	},
 	"custom/backup": {
 		"interval": 60,
 		"format": "",
diff --git a/hyprland/.config/waybar/scripts/openai-rate.py b/hyprland/.config/waybar/scripts/openai-rate.py
new file mode 100755
index 00000000..e6ebc024
--- /dev/null
+++ b/hyprland/.config/waybar/scripts/openai-rate.py
@@ -0,0 +1,195 @@
+#!/usr/bin/env python3
+import json
+import math
+import os
+import sys
+import urllib.error
+import urllib.request
+from pathlib import Path
+
+
+DEFAULT_BASE_URL = "https://chatgpt.com/backend-api"
+
+
+def waybar(text, klass="good", tooltip=None):
+    print(json.dumps({"text": text, "class": klass, "tooltip": tooltip or text}))
+    sys.exit(0)
+
+
+def load_auth():
+    auth_path = Path(os.environ.get("OPENAI_AUTH_FILE", "~/.codex/auth.json")).expanduser()
+    auth = {}
+    if auth_path.is_file():
+        try:
+            auth = json.loads(auth_path.read_text())
+        except (OSError, json.JSONDecodeError):
+            waybar("AI auth unreadable", "critical", f"Could not parse {auth_path}")
+
+    tokens = auth.get("tokens") or {}
+    access_token = tokens.get("access_token")
+    account_id = tokens.get("account_id")
+    if access_token:
+        return access_token, account_id, "~/.codex/auth.json:tokens.access_token"
+
+    api_key = auth.get("OPENAI_API_KEY") or os.environ.get("OPENAI_API_KEY")
+    if api_key:
+        source = "~/.codex/auth.json:OPENAI_API_KEY" if auth.get("OPENAI_API_KEY") else "env:OPENAI_API_KEY"
+        return api_key, account_id, source
+
+    waybar(
+        "AI auth missing",
+        "warning",
+        "No Codex access token found in ~/.codex/auth.json",
+    )
+
+
+def usage_url():
+    base = os.environ.get("CODEX_RATE_BASE_URL") or os.environ.get("OPENAI_BASE_URL") or DEFAULT_BASE_URL
+    base = base.rstrip("/")
+    if base.endswith("/backend-api/codex"):
+        base = base.removesuffix("/codex")
+    if base.startswith(("https://chatgpt.com", "https://chat.openai.com")) and "/backend-api" not in base:
+        base += "/backend-api"
+    return f"{base}/wham/usage" if "/backend-api" in base else f"{base}/api/codex/usage"
+
+
+def fetch_usage(token, account_id):
+    headers = {
+        "Authorization": f"Bearer {token}",
+        "Accept": "application/json",
+        "User-Agent": "codex-waybar-rate",
+    }
+    if account_id:
+        headers["ChatGPT-Account-ID"] = account_id
+
+    req = urllib.request.Request(usage_url(), headers=headers)
+    try:
+        with urllib.request.urlopen(req, timeout=15) as res:
+            return json.load(res)
+    except urllib.error.HTTPError as exc:
+        detail = exc.read().decode("utf-8", "replace")[:240]
+        waybar("AI rate failed", "critical", f"Usage endpoint returned HTTP {exc.code}\n{detail}")
+    except (OSError, TimeoutError) as exc:
+        waybar("AI rate failed", "critical", f"Could not reach Codex usage endpoint\n{exc}")
+    except json.JSONDecodeError as exc:
+        waybar("AI rate unreadable", "critical", f"Usage endpoint returned invalid JSON\n{exc}")
+
+
+def window_label(seconds):
+    if not isinstance(seconds, int) or seconds <= 0:
+        return "usage"
+
+    minutes = math.ceil(seconds / 60)
+    windows = (
+        (5 * 60, "5h"),
+        (24 * 60, "daily"),
+        (7 * 24 * 60, "weekly"),
+        (30 * 24 * 60, "monthly"),
+        (365 * 24 * 60, "annual"),
+    )
+    for expected, label in windows:
+        if expected * 0.95 <= minutes <= expected * 1.05:
+            return label
+    return "usage"
+
+
+def reset_text(seconds):
+    if not isinstance(seconds, int) or seconds < 0:
+        return None
+    if seconds < 90:
+        return f"{seconds}s"
+    minutes = round(seconds / 60)
+    if minutes < 90:
+        return f"{minutes}m"
+    hours = round(minutes / 60)
+    if hours < 48:
+        return f"{hours}h"
+    return f"{round(hours / 24)}d"
+
+
+def format_window(name, window):
+    if not isinstance(window, dict):
+        return None
+
+    used = window.get("used_percent")
+    if not isinstance(used, int):
+        return None
+
+    label = window_label(window.get("limit_window_seconds"))
+    left = max(0, 100 - used)
+    reset = reset_text(window.get("reset_after_seconds"))
+    tooltip = f"{name} {label}: {used}% used"
+    if reset:
+        tooltip += f", resets in {reset}"
+    return {"text": f"{left}% {label}", "used": used, "tooltip": tooltip}
+
+
+def credit_text(credits):
+    if not isinstance(credits, dict) or not credits.get("has_credits"):
+        return None
+    if credits.get("unlimited"):
+        return "credits unlimited"
+    balance = credits.get("balance")
+    if balance is None:
+        return "credits enabled"
+    try:
+        return f"credits {round(float(balance))}"
+    except (TypeError, ValueError):
+        return f"credits {balance}"
+
+
+def spend_control_text(spend_control):
+    limit = (spend_control or {}).get("individual_limit")
+    if not isinstance(limit, dict):
+        return None
+
+    remaining = limit.get("remaining_percent")
+    used = limit.get("used")
+    cap = limit.get("limit")
+    reset = reset_text(limit.get("reset_after_seconds"))
+    if not isinstance(remaining, int):
+        return None
+
+    text = f"monthly credits: {100 - remaining}% used"
+    if used and cap:
+        text += f" ({used}/{cap})"
+    if reset:
+        text += f", resets in {reset}"
+    return text
+
+
+def main():
+    token, account_id, source = load_auth()
+    data = fetch_usage(token, account_id)
+    rate_limit = data.get("rate_limit") or {}
+
+    windows = [
+        format_window("primary", rate_limit.get("primary_window")),
+        format_window("secondary", rate_limit.get("secondary_window")),
+    ]
+    windows = [window for window in windows if window]
+
+    parts = [window["text"] for window in windows]
+    credits = credit_text(data.get("credits"))
+    if credits:
+        parts.append(credits)
+
+    if not parts:
+        waybar("AI n/a", "warning", f"No displayable usage data\nsource: {source}")
+
+    worst_used = max(window["used"] for window in windows) if windows else 0
+    klass = "critical" if rate_limit.get("limit_reached") or worst_used >= 95 else "warning" if worst_used >= 90 else "good"
+
+    tooltip = [window["tooltip"] for window in windows]
+    spend = spend_control_text(data.get("spend_control"))
+    if credits:
+        tooltip.append(credits)
+    if spend:
+        tooltip.append(spend)
+    tooltip.append(f"source: {source}")
+
+    waybar(f"AI {'  '.join(parts)}", klass, "\n".join(tooltip))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/hyprland/.config/waybar/style.css b/hyprland/.config/waybar/style.css
index 1e34d93b..447ee5aa 100644
--- a/hyprland/.config/waybar/style.css
+++ b/hyprland/.config/waybar/style.css
@@ -238,3 +238,13 @@ window#waybar.fullscreen #window {
 	color: #ebdbb2;
 	padding: 0 1em;
 }
+#custom-openai-rate {
+	padding: 0 1em;
+	color: #ebdbb2;
+}
+#custom-openai-rate.warning {
+	color: #fabd2f;
+}
+#custom-openai-rate.critical {
+	color: #fb4934;
+}