diff --git a/cmd/generate_changelog/incoming/1856.txt b/cmd/generate_changelog/incoming/1856.txt
new file mode 100644
index 00000000..57b7f687
--- /dev/null
+++ b/cmd/generate_changelog/incoming/1856.txt
@@ -0,0 +1,5 @@
+### PR [#1856](https://github.com/danielmiessler/Fabric/pull/1856) by [ksylvan](https://github.com/ksylvan): Add support for new ClaudeHaiku 4.5 models
+
+- Add support for new ClaudeHaiku models in client
+- Add `ModelClaudeHaiku4_5` to supported models
+- Add `ModelClaudeHaiku4_5_20251001` to supported models
diff --git a/internal/plugins/ai/anthropic/anthropic.go b/internal/plugins/ai/anthropic/anthropic.go
index 7a22eaae..9628fcf1 100644
--- a/internal/plugins/ai/anthropic/anthropic.go
+++ b/internal/plugins/ai/anthropic/anthropic.go
@@ -52,6 +52,8 @@ func NewClient() (ret *Client) {
 		string(anthropic.ModelClaudeSonnet4_5_20250929),
 		string(anthropic.ModelClaudeOpus4_5_20251101),
 		string(anthropic.ModelClaudeOpus4_5),
+		string(anthropic.ModelClaudeHaiku4_5),
+		string(anthropic.ModelClaudeHaiku4_5_20251001),
 	}
 
 	ret.modelBetas = map[string][]string{