diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.json b/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.json
index 778e370..2a2914b 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.json
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.json
@@ -31,6 +31,8 @@
   "column_break_zgpf",
   "google_gemini_flash_25",
   "google_gemini_pro_25",
+  "column_break_clde",
+  "claude_haiku_45",
   "pdf_processor_section",
   "pdftotext",
   "ocrmypdf",
@@ -183,6 +185,17 @@
    "fieldtype": "Check",
    "label": "Google Gemini Flash-2.5"
   },
+  {
+   "fieldname": "column_break_clde",
+   "fieldtype": "Column Break"
+  },
+  {
+   "allow_on_submit": 1,
+   "default": "0",
+   "fieldname": "claude_haiku_45",
+   "fieldtype": "Check",
+   "label": "Claude Haiku-4.5"
+  },
   {
    "fieldname": "pdf_processor_section",
    "fieldtype": "Section Break",
@@ -301,7 +314,7 @@
    "link_fieldname": "dataset"
   }
  ],
- "modified": "2026-04-13 09:37:12.298195",
+ "modified": "2026-04-15 12:00:20.190290",
  "modified_by": "Administrator",
  "module": "Parser Benchmark",
  "name": "Parser Benchmark Dataset",
@@ -326,4 +339,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "states": []
-}
+}
\ No newline at end of file
diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.py b/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.py
index 55fba2a..4e5aad9 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.py
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_dataset/parser_benchmark_dataset.py
@@ -15,6 +15,7 @@
     "openai_gpt_5_mini": "OpenAI gpt-5-mini",
     "google_gemini_pro_25": "Google Gemini Pro-2.5",
     "google_gemini_flash_25": "Google Gemini Flash-2.5",
+    "claude_haiku_45": "Claude Haiku-4.5",
 }
 
 PDF_PROCESSOR_FIELD_MAP = {
@@ -43,6 +44,7 @@ class ParserBenchmarkDataset(Document):
         )
 
         amended_from: DF.Link | None
+        claude_haiku_45: DF.Check
         company: DF.Link | None
         country: DF.Literal["India", "Other"]
         deepseek_chat: DF.Check
diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.json b/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.json
index 05681e6..4eda80f 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.json
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.json
@@ -102,7 +102,7 @@
    "fieldtype": "Select",
    "in_list_view": 1,
    "label": "AI Model",
-   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5",
+   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5\nClaude Haiku-4.5",
    "read_only": 1
   },
   {
@@ -423,7 +423,7 @@
  "in_create": 1,
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2026-04-13 09:38:44.604789",
+ "modified": "2026-04-15 12:00:33.722723",
  "modified_by": "Administrator",
  "module": "Parser Benchmark",
  "name": "Parser Benchmark Log",
diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.py b/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.py
index a244130..2053285 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.py
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_log/parser_benchmark_log.py
@@ -28,6 +28,7 @@ class ParserBenchmarkLog(Document):
             "OpenAI gpt-5-mini",
             "Google Gemini Pro-2.5",
             "Google Gemini Flash-2.5",
+            "Claude Haiku-4.5",
         ]
         ai_parse_time: DF.Float
         ai_response: DF.Code | None
diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.json b/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.json
index ce0da61..5b1b51e 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.json
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.json
@@ -16,7 +16,7 @@
    "fieldtype": "Select",
    "in_list_view": 1,
    "label": "AI Model",
-   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5",
+   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5\nClaude Haiku-4.5",
    "reqd": 1
   },
   {
@@ -56,7 +56,7 @@
  ],
  "istable": 1,
  "links": [],
- "modified": "2026-03-27 10:36:00.699499",
+ "modified": "2026-04-15 12:01:24.501498",
  "modified_by": "Administrator",
  "module": "Parser Benchmark",
  "name": "Parser Benchmark Token Cost",
diff --git a/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.py b/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.py
index 68ac63b..5908440 100644
--- a/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.py
+++ b/transaction_parser/parser_benchmark/doctype/parser_benchmark_token_cost/parser_benchmark_token_cost.py
@@ -22,6 +22,7 @@ class ParserBenchmarkTokenCost(Document):
             "OpenAI gpt-5-mini",
             "Google Gemini Pro-2.5",
             "Google Gemini Flash-2.5",
+            "Claude Haiku-4.5",
         ]
         currency: DF.Link
         input_cost_per_million: DF.Currency
diff --git a/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.js b/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.js
index b39587a..8d21f3d 100644
--- a/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.js
+++ b/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.js
@@ -10,6 +10,7 @@ const AI_MODELS = [
 	"OpenAI gpt-5-mini",
 	"Google Gemini Pro-2.5",
 	"Google Gemini Flash-2.5",
+	"Claude Haiku-4.5",
 ];
 
 const PDF_PROCESSORS = ["PDFtoText", "OCRMyPDF", "Docling"];
diff --git a/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.py b/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.py
index aa85f96..49b28a0 100644
--- a/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.py
+++ b/transaction_parser/parser_benchmark/report/transaction_parser_accuracy_analysis/transaction_parser_accuracy_analysis.py
@@ -25,8 +25,9 @@
     "OpenAI gpt-4o-mini": 3,
     "Google Gemini Pro-2.5": 4,
     "Google Gemini Flash-2.5": 5,
-    "DeepSeek Reasoner": 6,
-    "DeepSeek Chat": 7,
+    "Claude Haiku-4.5": 6,
+    "DeepSeek Reasoner": 7,
+    "DeepSeek Chat": 8,
 }
 
 _PDF_PROCESSOR_ORDER = {
diff --git a/transaction_parser/parser_benchmark/report/transaction_parser_benchmark_log_detail/transaction_parser_benchmark_log_detail.js b/transaction_parser/parser_benchmark/report/transaction_parser_benchmark_log_detail/transaction_parser_benchmark_log_detail.js
index 7333d27..505575e 100644
--- a/transaction_parser/parser_benchmark/report/transaction_parser_benchmark_log_detail/transaction_parser_benchmark_log_detail.js
+++ b/transaction_parser/parser_benchmark/report/transaction_parser_benchmark_log_detail/transaction_parser_benchmark_log_detail.js
@@ -10,6 +10,7 @@ const AI_MODELS = [
 	"OpenAI gpt-5-mini",
 	"Google Gemini Pro-2.5",
 	"Google Gemini Flash-2.5",
+	"Claude Haiku-4.5",
 ];
 
 const PDF_PROCESSORS = ["OCRMyPDF", "Docling"];
diff --git a/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.js b/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.js
index a75a66a..254b4fd 100644
--- a/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.js
+++ b/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.js
@@ -10,6 +10,7 @@ const AI_MODELS = [
 	"OpenAI gpt-5-mini",
 	"Google Gemini Pro-2.5",
 	"Google Gemini Flash-2.5",
+	"Claude Haiku-4.5",
 ];
 
 const PDF_PROCESSORS = ["PDFtoText", "OCRMyPDF", "Docling"];
diff --git a/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.py b/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.py
index 4af603e..459a2d7 100644
--- a/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.py
+++ b/transaction_parser/parser_benchmark/report/transaction_parser_version_comparison/transaction_parser_version_comparison.py
@@ -21,8 +21,9 @@
     "OpenAI gpt-4o-mini": 3,
     "Google Gemini Pro-2.5": 4,
     "Google Gemini Flash-2.5": 5,
-    "DeepSeek Reasoner": 6,
-    "DeepSeek Chat": 7,
+    "Claude Haiku-4.5": 6,
+    "DeepSeek Reasoner": 7,
+    "DeepSeek Chat": 8,
 }
 
 _PDF_PROCESSOR_ORDER = {
diff --git a/transaction_parser/transaction_parser/ai_integration/models.py b/transaction_parser/transaction_parser/ai_integration/models.py
index 65dfd58..7ff408c 100644
--- a/transaction_parser/transaction_parser/ai_integration/models.py
+++ b/transaction_parser/transaction_parser/ai_integration/models.py
@@ -18,6 +18,7 @@ class Model:
     base_url: str
     response_format: str
     supports_temperature: bool = True
+    supports_response_format: bool = True
 
 
 ### DeepSeek Models
@@ -111,6 +112,27 @@ class GeminiFlash(Model):
     response_format: str = ResponseFormat.JSON.value
 
 
+### Anthropic Models
+
+
+@dataclass
+class ClaudeHaiku(Model):
+    """Anthropic Claude Haiku 4.5 model configuration.
+
+    - `response_format` is not sent because Anthropic's compatibility layer
+    rejects `json_object` and silently ignores other values.
+    - JSON output is not guaranteed.
+
+    - https://platform.claude.com/docs/en/api/openai-sdk
+    """
+
+    name: str = "claude-haiku-4-5"
+    service_provider: str = "Anthropic"
+    base_url: str = "https://api.anthropic.com/v1/"
+    response_format: str = ResponseFormat.TEXT.value
+    supports_response_format: bool = False
+
+
 ### Model Registry
 
 MODELS = {
@@ -122,4 +144,5 @@ class GeminiFlash(Model):
     "OpenAI gpt-5-mini": OpenAIGPT5Mini(),
     "Google Gemini Pro-2.5": GeminiPro(),
     "Google Gemini Flash-2.5": GeminiFlash(),
+    "Claude Haiku-4.5": ClaudeHaiku(),
 }
diff --git a/transaction_parser/transaction_parser/ai_integration/parser.py b/transaction_parser/transaction_parser/ai_integration/parser.py
index bdd24f4..101aa55 100644
--- a/transaction_parser/transaction_parser/ai_integration/parser.py
+++ b/transaction_parser/transaction_parser/ai_integration/parser.py
@@ -129,10 +129,12 @@ def _build_request_params(self, messages: tuple) -> dict:
         request_params = {
             "model": self.model.name,
             "messages": messages,
-            "response_format": {"type": self.model.response_format},
             "stream": False,
         }
 
+        if self.model.supports_response_format:
+            request_params["response_format"] = {"type": self.model.response_format}
+
         # Only include temperature if the model supports it
         if self.model.supports_temperature:
             request_params["temperature"] = 0.7
diff --git a/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.json b/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.json
index fc433db..f34b525 100644
--- a/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.json
+++ b/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.json
@@ -7,6 +7,7 @@
  "engine": "InnoDB",
  "field_order": [
   "service_provider",
+  "column_break_ogyu",
   "api_key"
  ],
  "fields": [
@@ -15,7 +16,7 @@
    "fieldtype": "Select",
    "in_list_view": 1,
    "label": "Service Provider",
-   "options": "DeepSeek\nOpenAI\nGoogle",
+   "options": "DeepSeek\nOpenAI\nGoogle\nAnthropic",
    "reqd": 1
   },
   {
@@ -24,18 +25,23 @@
    "in_list_view": 1,
    "label": "API Key",
    "reqd": 1
+  },
+  {
+   "fieldname": "column_break_ogyu",
+   "fieldtype": "Column Break"
   }
  ],
  "grid_page_length": 50,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-04-01 13:08:21.049741",
+ "modified": "2026-04-15 12:02:09.481616",
  "modified_by": "Administrator",
  "module": "Transaction Parser",
  "name": "Transaction Parser API Key Item",
  "owner": "Administrator",
  "permissions": [],
+ "row_format": "Dynamic",
  "sort_field": "modified",
  "sort_order": "DESC",
  "states": []
diff --git a/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.py b/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.py
index ec25069..3cc8d23 100644
--- a/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.py
+++ b/transaction_parser/transaction_parser/doctype/transaction_parser_api_key_item/transaction_parser_api_key_item.py
@@ -6,4 +6,18 @@
 
 
 class TransactionParserAPIKeyItem(Document):
+    # begin: auto-generated types
+    # This code is auto-generated. Do not modify anything in this block.
+
+    from typing import TYPE_CHECKING
+
+    if TYPE_CHECKING:
+        from frappe.types import DF
+
+        api_key: DF.Password
+        parent: DF.Data
+        parentfield: DF.Data
+        parenttype: DF.Data
+        service_provider: DF.Literal["DeepSeek", "OpenAI", "Google", "Anthropic"]
+    # end: auto-generated types
     pass
diff --git a/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.json b/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.json
index bbbfdde..f95482f 100644
--- a/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.json
+++ b/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.json
@@ -92,7 +92,7 @@
    "fieldtype": "Select",
    "label": "Default AI Model",
    "mandatory_depends_on": "eval: doc.enabled",
-   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5"
+   "options": "DeepSeek Chat\nDeepSeek Reasoner\nOpenAI gpt-4o\nOpenAI gpt-4o-mini\nOpenAI gpt-5\nOpenAI gpt-5-mini\nGoogle Gemini Pro-2.5\nGoogle Gemini Flash-2.5\nClaude Haiku-4.5"
   },
   {
    "default": "PDFtoText",
@@ -175,7 +175,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2026-04-13 09:09:13.061580",
+ "modified": "2026-04-15 12:02:29.008840",
  "modified_by": "Administrator",
  "module": "Transaction Parser",
  "name": "Transaction Parser Settings",
diff --git a/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.py b/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.py
index 87aac33..0a931f6 100644
--- a/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.py
+++ b/transaction_parser/transaction_parser/doctype/transaction_parser_settings/transaction_parser_settings.py
@@ -42,6 +42,7 @@ class TransactionParserSettings(Document):
             "OpenAI gpt-5-mini",
             "Google Gemini Pro-2.5",
             "Google Gemini Flash-2.5",
+            "Claude Haiku-4.5",
         ]
         enabled: DF.Check
         incoming_email_accounts: DF.Table[TransactionParserEmailAccount]