diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6878a7d92e3bee..1c74e9a4632872 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -54,18 +54,15 @@ repos:
         name: Run Ruff (format) on Tools/build/check_warnings.py
         args: [--exit-non-zero-on-fix, --config=Tools/build/.ruff.toml]
         files: ^Tools/build/check_warnings.py
+      - id: ruff-format
+        name: Run Ruff (format) on Tools/jit/
+        args: [--config=Tools/jit/.ruff.toml]
+        files: ^Tools/jit/
       - id: ruff-format
         name: Run Ruff (format) on Tools/wasm/
         args: [--exit-non-zero-on-fix, --config=Tools/wasm/.ruff.toml]
         files: ^Tools/wasm/
 
-  - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: ea488cebbfd88a5f50b8bd95d5c829d0bb76feb8  # frozen: 26.1.0
-    hooks:
-      - id: black
-        name: Run Black on Tools/jit/
-        files: ^Tools/jit/
-
   - repo: https://github.com/Lucas-C/pre-commit-hooks
     rev: ad1b27d73581aa16cca06fc4a0761fc563ffe8e8  # frozen: v1.5.6
     hooks:
diff --git a/Tools/jit/.ruff.toml b/Tools/jit/.ruff.toml
new file mode 100644
index 00000000000000..6c4b0e77664384
--- /dev/null
+++ b/Tools/jit/.ruff.toml
@@ -0,0 +1,7 @@
+extend = "../../.ruff.toml"  # Inherit the project-wide settings
+
+line-length = 88  # slightly longer than PEP 8, for readability
+
+[format]
+preview = true
+docstring-code-format = true
diff --git a/Tools/jit/_llvm.py b/Tools/jit/_llvm.py
index 601752bf1f6396..48bf171f269cd7 100644
--- a/Tools/jit/_llvm.py
+++ b/Tools/jit/_llvm.py
@@ -24,7 +24,8 @@ def _async_cache(f: _C[_P, _R]) -> _C[_P, _R]:
 
     @functools.wraps(f)
     async def wrapper(
-        *args: _P.args, **kwargs: _P.kwargs  # pylint: disable = no-member
+        *args: _P.args,
+        **kwargs: _P.kwargs,  # pylint: disable = no-member
     ) -> _R:
         async with lock:
             if args not in cache:
diff --git a/Tools/jit/_optimizers.py b/Tools/jit/_optimizers.py
index f192783a55950c..e52497103727cc 100644
--- a/Tools/jit/_optimizers.py
+++ b/Tools/jit/_optimizers.py
@@ -91,7 +91,6 @@
 
 @enum.unique
 class InstructionKind(enum.Enum):
-
     JUMP = enum.auto()
     LONG_BRANCH = enum.auto()
     SHORT_BRANCH = enum.auto()
@@ -534,9 +533,9 @@ def _validate(self) -> None:
                 continue
             for inst in block.instructions:
                 if self.frame_pointers:
-                    assert (
-                        self._frame_pointer_modify.match(inst.text) is None
-                    ), "Frame pointer should not be modified"
+                    assert self._frame_pointer_modify.match(inst.text) is None, (
+                        "Frame pointer should not be modified"
+                    )
 
     def run(self) -> None:
         """Run this optimizer."""
diff --git a/Tools/jit/_targets.py b/Tools/jit/_targets.py
index 15cac3de3fe11f..a5c7e77497d849 100644
--- a/Tools/jit/_targets.py
+++ b/Tools/jit/_targets.py
@@ -328,9 +328,7 @@ def build(
             jit_stencils_new.unlink(missing_ok=True)
 
 
-class _COFF(
-    _Target[_schema.COFFSection, _schema.COFFRelocation]
-):  # pylint: disable = too-few-public-methods
+class _COFF(_Target[_schema.COFFSection, _schema.COFFRelocation]):  # pylint: disable = too-few-public-methods
     def _shim_compile_args(self) -> list[str]:
         # The linked shim is part of pythoncore, not a shared extension.
         # On Windows, Py_BUILD_CORE_MODULE makes public APIs import from
@@ -443,9 +441,7 @@ def _compile_args(self) -> list[str]:
         return [runtime, *self.args]
 
 
-class _ELF(
-    _Target[_schema.ELFSection, _schema.ELFRelocation]
-):  # pylint: disable = too-few-public-methods
+class _ELF(_Target[_schema.ELFSection, _schema.ELFRelocation]):  # pylint: disable = too-few-public-methods
     label_prefix = ".L"
     symbol_prefix = ""
     re_global = re.compile(r'\s*\.globl\s+(?P<label>[\w."$?@]+)(\s+.*)?')
@@ -534,9 +530,7 @@ def _handle_relocation(
         return _stencils.Hole(offset, kind, value, symbol, addend)
 
 
-class _MachO(
-    _Target[_schema.MachOSection, _schema.MachORelocation]
-):  # pylint: disable = too-few-public-methods
+class _MachO(_Target[_schema.MachOSection, _schema.MachORelocation]):  # pylint: disable = too-few-public-methods
     label_prefix = "L"
     symbol_prefix = "_"
     re_global = re.compile(r'\s*\.globl\s+(?P<label>[\w."$?@]+)(\s+.*)?')
diff --git a/Tools/jit/example_trace_dump.py b/Tools/jit/example_trace_dump.py
index e3c3df94059044..78cfe86ef8520e 100644
--- a/Tools/jit/example_trace_dump.py
+++ b/Tools/jit/example_trace_dump.py
@@ -175,7 +175,7 @@ def _run_and_dump(func, n, outdir):
 
 def _main():
     if len(sys.argv) < 2 or len(sys.argv) > 3:
-        print(f"Usage: {sys.argv[0] if sys.argv else " "} OUTDIR [loops]")
+        print(f"Usage: {sys.argv[0] if sys.argv else ' '} OUTDIR [loops]")
     outdir = sys.argv[1]
     n = int(sys.argv[2]) if len(sys.argv) > 2 else 5000
     functions = [