diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 654a613..f3c28eb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -189,9 +189,8 @@ jobs:
 
       - run: python -Im tox run -e system-argon2
 
-
-  mypy-pkg:
-    name: Mypy Codebase
+  typing:
+    name: Check types using supported type checkers
     runs-on: ubuntu-latest
     needs: build-package
 
@@ -207,33 +206,7 @@ jobs:
           python-version-file: .python-version-default
       - uses: hynek/setup-cached-uv@757bedc3f972eb7227a1aa657651f15a8527c817 # v2.3.0
 
-      - run: >
-          uvx --with tox-uv
-          tox run -e mypy-pkg
-
-  pyright:
-    name: Pyright Codebase
-    runs-on: ubuntu-latest
-    needs: build-package
-
-    steps:
-      - name: Download pre-built packages
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
-        with:
-          name: Packages
-          path: dist
-      - run: tar xf dist/*.tar.gz --strip-components=1
-      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
-        with:
-          python-version-file: .python-version-default
-      - uses: hynek/setup-cached-uv@757bedc3f972eb7227a1aa657651f15a8527c817 # v2.3.0
-
-      - run: |
-          uv venv
-          uv pip install . --group typing
-          echo "$PWD/.venv/bin" >> $GITHUB_PATH
-      - uses: jakebailey/pyright-action@6cabc0f01c4994be48fd45cd9dbacdd6e1ee6e5e  # v2.3.3
-
+      - run: uvx --with tox-uv tox run -f typing
 
   docs:
     name: Run doctests
@@ -280,8 +253,7 @@ jobs:
     runs-on: ubuntu-latest
     needs:
       - coverage
-      - mypy-pkg
-      - pyright
+      - typing
       - docs
       - install-dev
       - system-package
diff --git a/tox.ini b/tox.ini
index 4b5c623..7952858 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,14 +2,13 @@
 min_version = 4
 env_list =
     pre-commit,
-    mypy-pkg,
     py3{9,10,11,12,13,14}-{tests,mypy},
     py314t-tests,
-    py312-bindings-main,
+    py314-tests-{bindings-main,system-argon2},
     pypy3-tests,
-    system-argon2,
+    typing-{pyright,ty,pyrefly,mypy}
     docs-doctests,
-    coverage-report
+    coverage-{combine,report}
 
 
 [testenv]
@@ -28,33 +27,41 @@ commands =
     mypy: mypy tests/typing
 
 
-[testenv:py3{9,13}-tests]
+[testenv:py3{9,14}-tests]
+# Keep coverage-combine's depends with the versions.
 description = Run tests and measure coverage.
-deps =
-    coverage[toml]
+deps = coverage[toml]
 commands =
     coverage run -m pytest {posargs}
     coverage run -m argon2 -n 1 -t 1 -m 8 -p 1
     coverage run -m argon2 --profile CHEAPEST
 
 
-[testenv:coverage-report]
-description = Report coverage over all test runs.
+# Split combine/report in 2 to avoid excessive "Combined data file ..." output.
+[testenv:coverage-combine]
+# Keep base_python in-sync with .python-version-default
+base_python = py313
+# Keep in-sync with test env definition above.
+depends = py3{9,14}-tests
 skip_install = true
-depends = py3{9,13}-tests
-deps = coverage[toml]
-parallel_show_output = true
-commands =
-    coverage combine
-    coverage report
+deps = coverage
+commands = coverage combine
 
+[testenv:coverage-report]
+description = Report coverage over oldest and latest supported Python
+# Keep base_python in-sync with .python-version-default
+base_python = py313
+skip_install = true
+depends = coverage-combine
+deps = coverage
+parallel_show_output = true
+commands = coverage report
 
 [testenv:system-argon2]
 description = Run tests against bindings that use a system installation of Argon2.
 set_env = ARGON2_CFFI_USE_SYSTEM=1
 install_command = pip install {opts} --no-binary=argon2-cffi-bindings {packages}
 
-
 [testenv:py312-bindings-main]
 description = Run tests against the current main branch of argon2-cffi-bindings
 dependency_groups =
@@ -70,16 +77,31 @@ deps = pre-commit-uv
 commands = pre-commit run --all-files
 
 
-[testenv:pyright]
+[testenv:typing-mypy]
+description = Check own code with Mypyy.
+# Keep base_python in-sync with .python-version-default
+base_python = py313
+deps = mypy
+dependency_groups = typing
+commands = mypy src
+
+[testenv:typing-pyright]
+description = Check API and own code with Pyright
 deps = pyright
 dependency_groups = typing
-commands = pyright tests/typing src
+commands = pyright src tests/typing
 
+[testenv:typing-ty]
+description = Check API with ty
+deps = ty
+dependency_groups = typing
+commands = ty check tests/typing
 
-[testenv:mypy-pkg]
-description = Check own code.
-deps = mypy
-commands = mypy src
+[testenv:typing-pyrefly]
+description = Check API with pyrefly
+deps = pyrefly
+dependency_groups = typing
+commands = pyrefly check tests/typing
 
 
 [testenv:docs-{build,doctests,linkcheck}]
@@ -92,7 +114,6 @@ commands =
     doctests: sphinx-build -n -T -W -b doctest -d {envtmpdir}/doctrees docs {posargs:docs/_build/}html
     linkcheck: sphinx-build -W -b linkcheck -d {envtmpdir}/doctrees docs docs/_build/html
 
-
 [testenv:docs-watch]
 package = editable
 base_python = {[testenv:docs-build]base_python}