diff --git a/codex-rs/protocol/src/protocol.rs b/codex-rs/protocol/src/protocol.rs
index c30ba42b..2d0b0f01 100644
--- a/codex-rs/protocol/src/protocol.rs
+++ b/codex-rs/protocol/src/protocol.rs
@@ -812,12 +812,8 @@ impl TokenUsage {
         (self.non_cached_input() + self.output_tokens.max(0)).max(0)
     }
 
-    /// For estimating what % of the model's context window is used, we need to account
-    /// for reasoning output tokens from prior turns being dropped from the context window.
-    /// We approximate this here by subtracting reasoning output tokens from the total.
-    /// This will be off for the current turn and pending function calls.
     pub fn tokens_in_context_window(&self) -> i64 {
-        (self.total_tokens - self.reasoning_output_tokens).max(0)
+        self.total_tokens
     }
 
     /// Estimate the remaining user-controllable percentage of the model's context window.
diff --git a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_includes_reasoning_details.snap b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_includes_reasoning_details.snap
index 0b7b74d7..123547cb 100644
--- a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_includes_reasoning_details.snap
+++ b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_includes_reasoning_details.snap
@@ -17,7 +17,7 @@ expression: sanitized
 │  Agents.md:        <none>                                           │
 │                                                                     │
 │  Token usage:      1.9K total  (1K input + 900 output)              │
-│  Context window:   100% left (2.1K used / 272K)                     │
+│  Context window:   100% left (2.25K used / 272K)                    │
 │  5h limit:         [███████████████░░░░░] 72% used (resets 03:14)   │
 │  Weekly limit:     [█████████░░░░░░░░░░░] 45% used (resets 03:24)   │
 ╰─────────────────────────────────────────────────────────────────────╯
diff --git a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_shows_stale_limits_message.snap b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_shows_stale_limits_message.snap
index 2fc0d887..3a98ce95 100644
--- a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_shows_stale_limits_message.snap
+++ b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_shows_stale_limits_message.snap
@@ -17,7 +17,7 @@ expression: sanitized
 │  Agents.md:        <none>                                           │
 │                                                                     │
 │  Token usage:      1.9K total  (1K input + 900 output)              │
-│  Context window:   100% left (2.1K used / 272K)                     │
+│  Context window:   100% left (2.25K used / 272K)                    │
 │  5h limit:         [███████████████░░░░░] 72% used (resets 03:14)   │
 │  Weekly limit:     [████████░░░░░░░░░░░░] 40% used (resets 03:34)   │
 │  Warning:          limits may be stale - start new turn to refresh. │
diff --git a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_truncates_in_narrow_terminal.snap b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_truncates_in_narrow_terminal.snap
index d86e43a4..5bbaaef7 100644
--- a/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_truncates_in_narrow_terminal.snap
+++ b/codex-rs/tui/src/status/snapshots/codex_tui__status__tests__status_snapshot_truncates_in_narrow_terminal.snap
@@ -19,7 +19,7 @@ expression: sanitized
 │  Agents.md:        <none>                  │
 │                                            │
 │  Token usage:      1.9K total  (1K input + │
-│  Context window:   100% left (2.1K used /  │
+│  Context window:   100% left (2.25K used / │
 │  5h limit:         [███████████████░░░░░]  │
 │                    (resets 03:14)          │
 ╰────────────────────────────────────────────╯