diff --git a/src/domain/native/nativeAotPe.budget.test.ts b/src/domain/native/nativeAotPe.budget.test.ts
index 5358ae3d77..a5835353a0 100644
--- a/src/domain/native/nativeAotPe.budget.test.ts
+++ b/src/domain/native/nativeAotPe.budget.test.ts
@@ -2,7 +2,11 @@ import { describe, expect, it } from "vitest";
 import type { NativeAotParserLimits } from "./nativeAotPe.js";
 import { AnalysisResourceConstraintError } from "../analysisErrorCore.js";
 import {
+  DEFAULT_NATIVE_AOT_PARSER_LIMITS,
+  NATIVE_AOT_BASE_WORK_UNITS,
   NATIVE_AOT_MAX_REPORT_BYTES,
+  NATIVE_AOT_MAX_SOURCE_BYTES,
+  nativeAotParserLimitsFor,
   parseNativeAotPe,
 } from "./nativeAotPe.js";
 import {
@@ -12,6 +16,34 @@ import {
 
 const REPORT_BUDGET = NATIVE_AOT_MAX_REPORT_BYTES;
 
+describe("NativeAOT work budget scaling", () => {
+  it("grows with the admitted image and stops at the source-byte ceiling", () => {
+    const small = nativeAotParserLimitsFor(1024);
+    const large = nativeAotParserLimitsFor(26_180_096);
+    expect(small.workUnits).toBeGreaterThan(NATIVE_AOT_BASE_WORK_UNITS);
+    // bflat 8.0.2's 26,180,096-byte image needs 71,645,819 units to complete.
+    expect(large.workUnits).toBeGreaterThan(71_645_819);
+    expect(nativeAotParserLimitsFor(Number.MAX_SAFE_INTEGER)).toEqual(
+      DEFAULT_NATIVE_AOT_PARSER_LIMITS,
+    );
+    expect(DEFAULT_NATIVE_AOT_PARSER_LIMITS.sourceBytes).toBe(
+      NATIVE_AOT_MAX_SOURCE_BYTES,
+    );
+  });
+
+  it("charges an image against the budget for its own size by default", () => {
+    const bytes = nativeAotPeFixture();
+    const report = parseNativeAotPe(
+      bytes,
+      nativeAotPeDigest(bytes),
+      REPORT_BUDGET,
+    ).summary;
+    expect(report.coverage.work_budget_units).toBe(
+      nativeAotParserLimitsFor(bytes.length).workUnits,
+    );
+  });
+});
+
 describe("NativeAOT parser resource budgets", () => {
   it("reports source-cap rejection without hashing or inventing omitted-byte coverage", () => {
     const bytes = nativeAotPeFixture();
diff --git a/src/domain/native/nativeAotPe.ts b/src/domain/native/nativeAotPe.ts
index ab89dd33e7..066b1fa8a2 100644
--- a/src/domain/native/nativeAotPe.ts
+++ b/src/domain/native/nativeAotPe.ts
@@ -26,22 +26,39 @@ const FROZEN_OBJECT_REGION = 206;
 export const NATIVE_AOT_MAX_SOURCE_BYTES = 128 * 1024 * 1024;
 /** Bound one parser-produced JSON report independently of any transport. */
 export const NATIVE_AOT_MAX_REPORT_BYTES = 4 * 1024 * 1024;
-export const NATIVE_AOT_MAX_WORK_UNITS = 64 * 1024 * 1024;
+/** Work every image may use, covering headers, directories and sections. */
+export const NATIVE_AOT_BASE_WORK_UNITS = 64 * 1024 * 1024;
+/**
+ * Work added per admitted source byte, so discovery is not starved on larger
+ * images. bflat 8.0.2's 26,180,096-byte win-x64 NativeAOT image completes with
+ * 71,645,819 units (about 2.7 per byte), past the former fixed 64 Mi budget.
+ */
+export const NATIVE_AOT_WORK_UNITS_PER_SOURCE_BYTE = 8;
 export const NATIVE_AOT_MAX_WORKING_MEMORY_BYTES = 64 * 1024 * 1024;
 /** Version of the built-in read-only PE metadata interpretation in profiles. */
 export const NATIVE_AOT_PROFILE_CONTRACT_REVISION =
-  "rtr-9.1-x64-pe-read-only-v10";
+  "rtr-9.1-x64-pe-read-only-v11";
 
 export type NativeAotParserLimits = {
   readonly sourceBytes: number;
   readonly workUnits: number;
   readonly workingMemoryBytes: number;
 };
-export const DEFAULT_NATIVE_AOT_PARSER_LIMITS: NativeAotParserLimits = {
+/** Limits for one admitted image; the work budget follows its size. */
+export const nativeAotParserLimitsFor = (
+  sourceBytes: number,
+): NativeAotParserLimits => ({
   sourceBytes: NATIVE_AOT_MAX_SOURCE_BYTES,
-  workUnits: NATIVE_AOT_MAX_WORK_UNITS,
+  workUnits:
+    NATIVE_AOT_BASE_WORK_UNITS +
+    Math.min(Math.max(sourceBytes, 0), NATIVE_AOT_MAX_SOURCE_BYTES) *
+      NATIVE_AOT_WORK_UNITS_PER_SOURCE_BYTE,
   workingMemoryBytes: NATIVE_AOT_MAX_WORKING_MEMORY_BYTES,
-};
+});
+
+/** The scaled limits at the source-byte ceiling. */
+export const DEFAULT_NATIVE_AOT_PARSER_LIMITS: NativeAotParserLimits =
+  nativeAotParserLimitsFor(NATIVE_AOT_MAX_SOURCE_BYTES);
 
 class NativeAotParserBudget {
   workUnits = 0;
@@ -1395,7 +1412,7 @@ export const parseNativeAotPe = (
   expectedSha256: string,
   maximumSummaryBytes: number,
   loadedImageBase?: string,
-  limits = DEFAULT_NATIVE_AOT_PARSER_LIMITS,
+  limits = nativeAotParserLimitsFor(bytes.byteLength),
 ): NativeAotPeResult => {
   if (!Number.isSafeInteger(maximumSummaryBytes) || maximumSummaryBytes < 0)
     throw new AnalysisInputError("parse_native_aot_pe", undefined, [
diff --git a/src/ghidra/GhidraAnalysisProfile.ts b/src/ghidra/GhidraAnalysisProfile.ts
index 16ac39dd53..d49d0a8d5e 100644
--- a/src/ghidra/GhidraAnalysisProfile.ts
+++ b/src/ghidra/GhidraAnalysisProfile.ts
@@ -48,7 +48,8 @@ import {
   NATIVE_AOT_MAX_REPORT_BYTES,
   NATIVE_AOT_MAX_SOURCE_BYTES,
   NATIVE_AOT_MAX_WORKING_MEMORY_BYTES,
-  NATIVE_AOT_MAX_WORK_UNITS,
+  NATIVE_AOT_BASE_WORK_UNITS,
+  NATIVE_AOT_WORK_UNITS_PER_SOURCE_BYTE,
   NATIVE_AOT_PROFILE_CONTRACT_REVISION,
 } from "../domain/native/nativeAotPe.js";
 
@@ -301,7 +302,9 @@ export const resolveGhidraAnalysisProfile = async (
               native_aot_metadata: {
                 contract_revision: NATIVE_AOT_PROFILE_CONTRACT_REVISION,
                 source_bytes: NATIVE_AOT_MAX_SOURCE_BYTES,
-                work_units: NATIVE_AOT_MAX_WORK_UNITS,
+                base_work_units: NATIVE_AOT_BASE_WORK_UNITS,
+                work_units_per_source_byte:
+                  NATIVE_AOT_WORK_UNITS_PER_SOURCE_BYTE,
                 working_memory_bytes: NATIVE_AOT_MAX_WORKING_MEMORY_BYTES,
                 report_bytes: NATIVE_AOT_MAX_REPORT_BYTES,
               },
diff --git a/src/ghidra/GhidraProvider.behavior.test.ts b/src/ghidra/GhidraProvider.behavior.test.ts
index 7dde125816..2dc00c4062 100644
--- a/src/ghidra/GhidraProvider.behavior.test.ts
+++ b/src/ghidra/GhidraProvider.behavior.test.ts
@@ -883,6 +883,21 @@ describe("Ghidra platform support", () => {
     ).toBe("read-only-relocation-limitations-v1");
   });
 
+  it("keeps Windows annotation mutation unavailable independently of native controls", () => {
+    const ghidra = provider(installationHost("win32"));
+    expect(
+      ghidra
+        .capabilities()
+        .find(({ operation }) => operation === "annotate_native_function"),
+    ).toMatchObject({
+      available: false,
+      reason: "Windows Ghidra P0 does not admit database mutation.",
+      availabilityCode: "unsupported_host",
+    });
+  });
+});
+
+describe("Ghidra PE analysis profile identity", () => {
   it("commits the PE role and managed classification to profile identity", async () => {
     const ghidra = provider(installationHost("win32"));
     const application = peTarget("x86_64");
@@ -904,9 +919,10 @@ describe("Ghidra platform support", () => {
         executable_role: target.executableRole,
         managed: target.managed,
         native_aot_metadata: {
-          contract_revision: "rtr-9.1-x64-pe-read-only-v10",
+          contract_revision: "rtr-9.1-x64-pe-read-only-v11",
           source_bytes: 128 * 1024 * 1024,
-          work_units: 64 * 1024 * 1024,
+          base_work_units: 64 * 1024 * 1024,
+          work_units_per_source_byte: 8,
           working_memory_bytes: 64 * 1024 * 1024,
           report_bytes: 4 * 1024 * 1024,
         },
@@ -923,19 +939,6 @@ describe("Ghidra platform support", () => {
       "native_aot_metadata",
     );
   });
-
-  it("keeps Windows annotation mutation unavailable independently of native controls", () => {
-    const ghidra = provider(installationHost("win32"));
-    expect(
-      ghidra
-        .capabilities()
-        .find(({ operation }) => operation === "annotate_native_function"),
-    ).toMatchObject({
-      available: false,
-      reason: "Windows Ghidra P0 does not admit database mutation.",
-      availabilityCode: "unsupported_host",
-    });
-  });
 });
 
 describe("Ghidra Windows DOS admission", () => {