diff --git a/apps/web/modules/ee/contacts/lib/contact-attributes.ts b/apps/web/modules/ee/contacts/lib/contact-attributes.ts
index 7665a0baa4..96ebbf61a6 100644
--- a/apps/web/modules/ee/contacts/lib/contact-attributes.ts
+++ b/apps/web/modules/ee/contacts/lib/contact-attributes.ts
@@ -3,6 +3,7 @@ import { cache as reactCache } from "react";
 import { prisma } from "@formbricks/database";
 import { ZId, ZString } from "@formbricks/types/common";
 import { TContactAttributes } from "@formbricks/types/contact-attribute";
+import { TContactAttributeDataType } from "@formbricks/types/contact-attribute-key";
 import { DatabaseError } from "@formbricks/types/errors";
 import { ZUserEmail } from "@formbricks/types/user";
 import { validateInputs } from "@/lib/utils/validate";
@@ -129,3 +130,62 @@ export const hasUserIdAttribute = reactCache(
     return !!contactAttribute;
   }
 );
+
+export const getDistinctAttributeValues = reactCache(
+  async (attributeKeyId: string, dataType: TContactAttributeDataType, limit: number = 50) => {
+    validateInputs([attributeKeyId, ZId]);
+
+    try {
+      // Determine which column to query based on data type
+      let selectField: "value" | "valueNumber" | "valueDate";
+      if (dataType === "number") {
+        selectField = "valueNumber";
+      } else if (dataType === "date") {
+        selectField = "valueDate";
+      } else {
+        selectField = "value";
+      }
+
+      // Build where clause - only filter by attributeKeyId, we'll filter nulls in JS
+      const results = await prisma.contactAttribute.findMany({
+        where: {
+          attributeKeyId,
+        },
+        select: {
+          value: true,
+          valueNumber: true,
+          valueDate: true,
+        },
+        distinct: [selectField as any],
+        take: limit * 2, // Get more than needed to account for filtering
+        orderBy: { [selectField]: "asc" },
+      });
+
+      // Extract and filter values based on data type
+      let values: any[];
+      if (dataType === "number") {
+        values = results
+          .map((r) => r.valueNumber)
+          .filter((v) => v !== null && v !== undefined)
+          .slice(0, limit);
+      } else if (dataType === "date") {
+        values = results
+          .map((r) => r.valueDate)
+          .filter((v) => v !== null && v !== undefined)
+          .slice(0, limit);
+      } else {
+        values = results
+          .map((r) => r.value)
+          .filter((v) => v !== null && v !== undefined && v !== "")
+          .slice(0, limit);
+      }
+
+      return values;
+    } catch (error) {
+      if (error instanceof Prisma.PrismaClientKnownRequestError) {
+        throw new DatabaseError(error.message);
+      }
+      throw error;
+    }
+  }
+);
diff --git a/apps/web/modules/ee/contacts/segments/actions.ts b/apps/web/modules/ee/contacts/segments/actions.ts
index 82725f9a4a..ef5ac3a12b 100644
--- a/apps/web/modules/ee/contacts/segments/actions.ts
+++ b/apps/web/modules/ee/contacts/segments/actions.ts
@@ -20,6 +20,7 @@ import {
   getProjectIdFromSurveyId,
 } from "@/lib/utils/helper";
 import { withAuditLogging } from "@/modules/ee/audit-logs/lib/handler";
+import { getDistinctAttributeValues } from "@/modules/ee/contacts/lib/contact-attributes";
 import { checkForRecursiveSegmentFilter } from "@/modules/ee/contacts/segments/lib/helper";
 import {
   cloneSegment,
@@ -310,3 +311,31 @@ export const resetSegmentFiltersAction = authenticatedActionClient.schema(ZReset
     }
   )
 );
+
+const ZGetDistinctAttributeValuesAction = z.object({
+  environmentId: ZId,
+  attributeKeyId: ZId,
+  dataType: z.enum(["string", "number", "date"]),
+});
+
+export const getDistinctAttributeValuesAction = authenticatedActionClient
+  .schema(ZGetDistinctAttributeValuesAction)
+  .action(async ({ ctx, parsedInput }) => {
+    await checkAuthorizationUpdated({
+      userId: ctx.user.id,
+      organizationId: await getOrganizationIdFromEnvironmentId(parsedInput.environmentId),
+      access: [
+        {
+          type: "organization",
+          roles: ["owner", "manager"],
+        },
+        {
+          type: "projectTeam",
+          minPermission: "read",
+          projectId: await getProjectIdFromEnvironmentId(parsedInput.environmentId),
+        },
+      ],
+    });
+
+    return await getDistinctAttributeValues(parsedInput.attributeKeyId, parsedInput.dataType);
+  });
diff --git a/apps/web/modules/ee/contacts/segments/components/attribute-value-input.tsx b/apps/web/modules/ee/contacts/segments/components/attribute-value-input.tsx
new file mode 100644
index 0000000000..ffb6b7990c
--- /dev/null
+++ b/apps/web/modules/ee/contacts/segments/components/attribute-value-input.tsx
@@ -0,0 +1,109 @@
+"use client";
+
+import { useEffect, useMemo, useState } from "react";
+import { TContactAttributeDataType } from "@formbricks/types/contact-attribute-key";
+import { cn } from "@/lib/cn";
+import { InputCombobox, TComboboxOption } from "@/modules/ui/components/input-combo-box";
+import { getDistinctAttributeValuesAction } from "../actions";
+
+interface AttributeValueInputProps {
+  attributeKeyId: string;
+  environmentId: string;
+  dataType: TContactAttributeDataType;
+  value: string | number;
+  onChange: (value: string | number) => void;
+  disabled?: boolean;
+  className?: string;
+  valueError?: string;
+}
+
+export const AttributeValueInput = ({
+  attributeKeyId,
+  environmentId,
+  dataType,
+  value,
+  onChange,
+  disabled,
+  className,
+  valueError,
+}: AttributeValueInputProps) => {
+  const [options, setOptions] = useState<TComboboxOption[]>([]);
+  const [loading, setLoading] = useState(false);
+
+  // Fetch on mount or when key params change
+  useEffect(() => {
+    // Don't fetch if we don't have a valid attributeKeyId
+    if (!attributeKeyId || attributeKeyId === "") {
+      return;
+    }
+
+    let isCancelled = false;
+
+    const fetchDistinctValues = async () => {
+      setLoading(true);
+      try {
+        const result = await getDistinctAttributeValuesAction({
+          environmentId,
+          attributeKeyId,
+          dataType,
+        });
+
+        if (!isCancelled && result?.data) {
+          const comboboxOptions: TComboboxOption[] = result.data.map((val) => ({
+            label: String(val),
+            value: val,
+          }));
+          setOptions(comboboxOptions);
+        }
+      } catch (error) {
+        if (!isCancelled) {
+          console.error("Failed to fetch attribute values:", error);
+        }
+      } finally {
+        if (!isCancelled) {
+          setLoading(false);
+        }
+      }
+    };
+
+    fetchDistinctValues();
+
+    return () => {
+      isCancelled = true;
+    };
+  }, [environmentId, attributeKeyId, dataType]);
+
+  const emptyDropdownText = useMemo(() => {
+    if (loading) return "Loading values...";
+    if (options.length === 50) return "Showing first 50 values";
+    return "No values found";
+  }, [loading, options.length]);
+
+  return (
+    <div className="relative">
+      <InputCombobox
+        id={`attribute-value-${attributeKeyId}`}
+        options={options}
+        value={value}
+        onChangeValue={(newValue) => onChange(newValue as string | number)}
+        withInput={true}
+        showSearch={true}
+        clearable={true}
+        inputProps={{
+          className: cn(
+            "h-9 w-auto bg-white",
+            valueError && "border border-red-500 focus:border-red-500",
+            className
+          ),
+          disabled,
+        }}
+        comboboxClasses="h-9"
+        emptyDropdownText={emptyDropdownText}
+      />
+
+      {valueError && (
+        <p className="absolute right-2 -mt-1 rounded-md bg-white px-2 text-xs text-red-500">{valueError}</p>
+      )}
+    </div>
+  );
+};
diff --git a/apps/web/modules/ee/contacts/segments/components/segment-filter.tsx b/apps/web/modules/ee/contacts/segments/components/segment-filter.tsx
index a3b4bb906a..c23a148a5f 100644
--- a/apps/web/modules/ee/contacts/segments/components/segment-filter.tsx
+++ b/apps/web/modules/ee/contacts/segments/components/segment-filter.tsx
@@ -65,6 +65,7 @@ import {
   SelectValue,
 } from "@/modules/ui/components/select";
 import { AddFilterModal } from "./add-filter-modal";
+import { AttributeValueInput } from "./attribute-value-input";
 import { DateFilterValue } from "./date-filter-value";
 
 interface TSegmentFilterProps {
@@ -293,33 +294,81 @@ function AttributeSegmentFilter({
     setSegment(updatedSegment);
   };
 
-  const checkValueAndUpdate = (e: React.ChangeEvent<HTMLInputElement>) => {
-    const { value } = e.target;
-    updateValueInLocalSurvey(resource.id, value);
-
-    if (!value) {
-      setValueError(t("environments.segments.value_cannot_be_empty"));
-      return;
+  const renderValueInput = () => {
+    if (isDateAttribute && isDateOperator(resource.qualifier.operator)) {
+      return (
+        <DateFilterValue
+          operator={resource.qualifier.operator}
+          value={resource.value}
+          onChange={(newValue) => {
+            updateValueInLocalSurvey(resource.id, newValue);
+          }}
+          viewOnly={viewOnly}
+        />
+      );
     }
 
-    const { operator } = resource.qualifier;
-
-    if (ARITHMETIC_OPERATORS.includes(operator as TArithmeticOperator)) {
-      const isNumber = z.coerce.number().safeParse(value);
-
-      if (isNumber.success) {
-        setValueError("");
-        updateValueInLocalSurvey(resource.id, parseInt(value, 10));
-      } else {
-        setValueError(t("environments.segments.value_must_be_a_number"));
-        updateValueInLocalSurvey(resource.id, value);
+    if (attributeDataType === "string") {
+      // Only show combobox if we have a valid attributeKeyId
+      if (attributeKey?.id) {
+        return (
+          <AttributeValueInput
+            attributeKeyId={attributeKey.id}
+            environmentId={segment.environmentId}
+            dataType={attributeDataType}
+            value={resource.value as string | number}
+            onChange={(newValue) => {
+              updateValueInLocalSurvey(resource.id, newValue);
+            }}
+            disabled={viewOnly}
+            valueError={valueError}
+          />
+        );
       }
-
-      return;
     }
 
-    setValueError("");
-    updateValueInLocalSurvey(resource.id, value);
+    return (
+      <div className="relative flex flex-col gap-1">
+        <Input
+          className={cn("h-9 w-auto bg-white", valueError && "border border-red-500 focus:border-red-500")}
+          disabled={viewOnly}
+          onChange={(e) => {
+            if (viewOnly) return;
+            const { value } = e.target;
+            updateValueInLocalSurvey(resource.id, value);
+
+            if (!value) {
+              setValueError(t("environments.segments.value_cannot_be_empty"));
+              return;
+            }
+
+            const { operator } = resource.qualifier;
+
+            if (ARITHMETIC_OPERATORS.includes(operator as TArithmeticOperator)) {
+              const isNumber = z.coerce.number().safeParse(value);
+
+              if (isNumber.success) {
+                setValueError("");
+                updateValueInLocalSurvey(resource.id, Number.parseInt(value, 10));
+              } else {
+                setValueError(t("environments.segments.value_must_be_a_number"));
+                updateValueInLocalSurvey(resource.id, value);
+              }
+
+              return;
+            }
+
+            setValueError("");
+            updateValueInLocalSurvey(resource.id, value);
+          }}
+          value={resource.value as string | number}
+        />
+
+        {valueError ? (
+          <p className="absolute right-2 -mt-1 rounded-md bg-white px-2 text-xs text-red-500">{valueError}</p>
+        ) : null}
+      </div>
+    );
   };
 
   return (
@@ -383,41 +432,7 @@ function AttributeSegmentFilter({
         </SelectContent>
       </Select>
 
-      {!["isSet", "isNotSet"].includes(resource.qualifier.operator) && (
-        <>
-          {isDateAttribute && isDateOperator(resource.qualifier.operator) ? (
-            <DateFilterValue
-              operator={resource.qualifier.operator}
-              value={resource.value}
-              onChange={(newValue) => {
-                updateValueInLocalSurvey(resource.id, newValue);
-              }}
-              viewOnly={viewOnly}
-            />
-          ) : (
-            <div className="relative flex flex-col gap-1">
-              <Input
-                className={cn(
-                  "h-9 w-auto bg-white",
-                  valueError && "border border-red-500 focus:border-red-500"
-                )}
-                disabled={viewOnly}
-                onChange={(e) => {
-                  if (viewOnly) return;
-                  checkValueAndUpdate(e);
-                }}
-                value={resource.value as string | number}
-              />
-
-              {valueError ? (
-                <p className="absolute right-2 -mt-1 rounded-md bg-white px-2 text-xs text-red-500">
-                  {valueError}
-                </p>
-              ) : null}
-            </div>
-          )}
-        </>
-      )}
+      {!["isSet", "isNotSet"].includes(resource.qualifier.operator) && renderValueInput()}
 
       <SegmentFilterItemContextMenu
         filterId={resource.id}
diff --git a/apps/web/modules/ui/components/input-combo-box/index.tsx b/apps/web/modules/ui/components/input-combo-box/index.tsx
index 397f1181f8..fd46bff167 100644
--- a/apps/web/modules/ui/components/input-combo-box/index.tsx
+++ b/apps/web/modules/ui/components/input-combo-box/index.tsx
@@ -208,8 +208,11 @@ export const InputCombobox: React.FC<InputComboboxProps> = ({
       {withInput && inputType !== "dropdown" && (
         <Input
           id={`${id}-input`}
-          className="min-w-0 rounded-none border-0 border-r border-slate-300 bg-white focus:border-r-slate-400"
           {...inputProps}
+          className={cn(
+            "min-w-0 rounded-none border-0 border-r border-slate-300 bg-white focus:border-r-slate-400 focus-visible:ring-0 focus-visible:ring-offset-0",
+            inputProps?.className
+          )}
           value={localValue ?? ""}
           onChange={onInputChange}
         />
@@ -223,7 +226,7 @@ export const InputCombobox: React.FC<InputComboboxProps> = ({
             tabIndex={0}
             aria-controls="options"
             aria-expanded={open}
-            className={cn("flex h-10 w-full cursor-pointer items-center justify-end bg-white pr-2", {
+            className={cn("flex h-full w-full cursor-pointer items-center justify-end bg-white pr-2", {
               "w-10 justify-center pr-0": withInput && inputType !== "dropdown",
               "pointer-events-none": isClearing,
             })}>