diff --git a/codeflash/languages/javascript/vitest_runner.py b/codeflash/languages/javascript/vitest_runner.py
index 1e1113162..7c5e11c46 100644
--- a/codeflash/languages/javascript/vitest_runner.py
+++ b/codeflash/languages/javascript/vitest_runner.py
@@ -446,7 +446,21 @@ def run_vitest_behavioral_tests(
         # Pre-creating an empty directory may cause vitest to delete it
         logger.debug(f"Coverage will be written to: {coverage_dir}")
 
-        vitest_cmd.extend(["--coverage", "--coverage.reporter=json", f"--coverage.reportsDirectory={coverage_dir}"])
+        vitest_cmd.extend(
+            [
+                "--coverage",
+                "--coverage.reporter=json",
+                f"--coverage.reportsDirectory={coverage_dir}",
+                # Disable project-level coverage thresholds to prevent false failures.
+                # Codeflash-generated tests typically cover only a single function (~1-2% of codebase),
+                # which would fail projects with thresholds like 70% lines/functions configured
+                # in their vitest.config.ts.
+                "--coverage.thresholds.lines=0",
+                "--coverage.thresholds.functions=0",
+                "--coverage.thresholds.statements=0",
+                "--coverage.thresholds.branches=0",
+            ]
+        )
         # Note: Removed --coverage.enabled=true (redundant) and --coverage.all false
         # The version mismatch between vitest and @vitest/coverage-v8 can cause
         # issues with coverage flag parsing. Let vitest use default settings.