diff --git a/Makefile b/Makefile
index e122de66..797e4081 100644
--- a/Makefile
+++ b/Makefile
@@ -5,11 +5,14 @@ SHELL := $(shell which bash)
 
 # src dirs and files
 SRCDIRS = gptme tests scripts
-SRCFILES = $(shell find ${SRCDIRS} -name '*.py')
+SRCFILES_RAW = $(shell find gptme tests -name '*.py' && find scripts -name '*.py' -not -path "scripts/Kokoro-82M/*" -not -path "*/Kokoro-82M/*")
 
 # exclude files
 EXCLUDES = tests/output scripts/build_changelog.py scripts/tts_server.py
-SRCFILES = $(shell find ${SRCDIRS} -name '*.py' $(foreach EXCLUDE,$(EXCLUDES),-not -path $(EXCLUDE)))
+SRCFILES = $(shell echo "${SRCFILES_RAW}" | tr ' ' '\n' | grep -v -f <(echo "${EXCLUDES}" | tr ' ' '\n') | tr '\n' ' ')
+
+# radon args
+RADON_ARGS = --exclude "scripts/Kokoro-82M/*" --exclude "*/Kokoro-82M/*"
 
 build:
 	poetry install
@@ -159,6 +162,23 @@ cloc-eval:
 cloc-total:
 	cloc ${SRCFILES} --by-file
 
+# Code metrics
+.PHONY: metrics
+
+metrics:
+	@echo "=== Code Metrics Summary ==="
+	@echo
+	@echo "Project Overview:"
+	@echo "  Files: $$(find ${SRCDIRS} -name '*.py' | wc -l)"
+	@echo "  Total blocks: $$(poetry run radon cc ${SRCFILES} --total-average | grep "blocks" | cut -d' ' -f1 | tr -d '\n')"
+	@echo "  Average complexity: $$(poetry run radon cc ${SRCFILES} --average --total-average | grep "Average complexity" | cut -d'(' -f2 | cut -d')' -f1)"
+	@echo
+	@echo "Most Complex Functions (D+):"
+	@poetry run radon cc ${SRCFILES} --min D | grep -v "^$$" | grep -E "^[^ ]|    [FCM].*[DE]" | sed 's/^/  /'
+	@echo
+	@echo "Largest Files (>300 SLOC):"
+	@poetry run radon raw ${SRCFILES} | awk '/^[^ ]/ {file=$$0} /SLOC:/ {if ($$2 > 300) printf "  %4d %s\n", $$2, file}' | sort -nr
+
 bench-importtime:
 	time poetry run python -X importtime -m gptme --model openai --non-interactive 2>&1 | grep "import time" | cut -d'|' -f 2- | sort -n
 	@#time poetry run python -X importtime -m gptme --model openrouter --non-interactive 2>&1 | grep "import time" | cut -d'|' -f 2- | sort -n
diff --git a/docs/arewetiny.rst b/docs/arewetiny.rst
index 2df6a168..1b19b780 100644
--- a/docs/arewetiny.rst
+++ b/docs/arewetiny.rst
@@ -77,3 +77,22 @@ LoC Total
 
 .. command-output:: make cloc-total
    :cwd: ..
+
+Code Metrics
+------------
+
+.. command-output:: make metrics
+   :cwd: ..
+
+The metrics above show:
+
+- **Project Overview**: Basic stats about the codebase size and complexity
+- **Complex Functions**: Functions rated D+ (high complexity, should be refactored)
+- **Large Files**: Files over 300 SLOC (should be split into smaller modules)
+
+We should aim to:
+
+- Keep average complexity below 4.0
+- Have no E-rated functions (extremely complex)
+- Have few D-rated functions (very complex)
+- Keep files under 300 SLOC where possible
diff --git a/poetry.lock b/poetry.lock
index 9238eccc..a49308a0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -440,11 +440,11 @@ description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 groups = ["main", "dev"]
-markers = "(platform_system == \"Windows\" or sys_platform == \"win32\") and (python_version <= \"3.11\" or python_version >= \"3.12\")"
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
+markers = {main = "(platform_system == \"Windows\" or sys_platform == \"win32\") and (python_version <= \"3.11\" or python_version >= \"3.12\")", dev = "python_version <= \"3.11\" or python_version >= \"3.12\""}
 
 [[package]]
 name = "contourpy"
@@ -1591,6 +1591,25 @@ html5 = ["html5lib"]
 htmlsoup = ["BeautifulSoup4"]
 source = ["Cython (>=3.0.11)"]
 
+[[package]]
+name = "mando"
+version = "0.7.1"
+description = "Create Python CLI apps with little to no effort at all!"
+optional = false
+python-versions = "*"
+groups = ["dev"]
+markers = "python_version <= \"3.11\" or python_version >= \"3.12\""
+files = [
+    {file = "mando-0.7.1-py2.py3-none-any.whl", hash = "sha256:26ef1d70928b6057ee3ca12583d73c63e05c49de8972d620c278a7b206581a8a"},
+    {file = "mando-0.7.1.tar.gz", hash = "sha256:18baa999b4b613faefb00eac4efadcf14f510b59b924b66e08289aa1de8c3500"},
+]
+
+[package.dependencies]
+six = "*"
+
+[package.extras]
+restructuredtext = ["rst2ansi"]
+
 [[package]]
 name = "markdown-it-py"
 version = "3.0.0"
@@ -2931,6 +2950,26 @@ files = [
     {file = "pyyaml-6.0.2.tar.gz", hash = "sha256:d584d9ec91ad65861cc08d42e834324ef890a082e591037abe114850ff7bbc3e"},
 ]
 
+[[package]]
+name = "radon"
+version = "6.0.1"
+description = "Code Metrics in Python"
+optional = false
+python-versions = "*"
+groups = ["dev"]
+markers = "python_version <= \"3.11\" or python_version >= \"3.12\""
+files = [
+    {file = "radon-6.0.1-py2.py3-none-any.whl", hash = "sha256:632cc032364a6f8bb1010a2f6a12d0f14bc7e5ede76585ef29dc0cecf4cd8859"},
+    {file = "radon-6.0.1.tar.gz", hash = "sha256:d1ac0053943a893878940fedc8b19ace70386fc9c9bf0a09229a44125ebf45b5"},
+]
+
+[package.dependencies]
+colorama = {version = ">=0.4.1", markers = "python_version > \"3.4\""}
+mando = ">=0.6,<0.8"
+
+[package.extras]
+toml = ["tomli (>=2.0.1)"]
+
 [[package]]
 name = "regex"
 version = "2024.11.6"
@@ -3857,4 +3896,4 @@ youtube = ["youtube_transcript_api"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "ffb59ceb6f81f102b84e484088d9b2078ed53286477d1057479b7f90055b521d"
+content-hash = "a4ba8081b217b149d560b6a2a49338a8bc148c4c16d69fd134d21e052a232992"
diff --git a/pyproject.toml b/pyproject.toml
index 180296dd..37f5ce17 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,6 +73,7 @@ mypy = "*"
 ruff = "*"
 pylint = "*"
 pre-commit = "*"
+radon = "*"
 
 # test
 pytest = "^8.0"