diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4c000ad..f8e11b7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,6 +1,6 @@
 {
-  "packages/sdk/server-ai": "0.19.0",
+  "packages/sdk/server-ai": "0.20.0",
   "packages/ai-providers/server-ai-langchain": "0.6.0",
-  "packages/ai-providers/server-ai-openai": "0.5.0",
+  "packages/ai-providers/server-ai-openai": "0.5.1",
   "packages/optimization": "0.1.0"
 }
diff --git a/packages/ai-providers/server-ai-openai/CHANGELOG.md b/packages/ai-providers/server-ai-openai/CHANGELOG.md
index e4d0232..9a2c866 100644
--- a/packages/ai-providers/server-ai-openai/CHANGELOG.md
+++ b/packages/ai-providers/server-ai-openai/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Python AI OpenAI provider package will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [0.5.1](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-openai-0.5.0...launchdarkly-server-sdk-ai-openai-0.5.1) (2026-05-06)
+
+
+### Bug Fixes
+
+* Always return ModelSettings from _build_model_settings ([#169](https://github.com/launchdarkly/python-server-sdk-ai/issues/169)) ([6d1ce4c](https://github.com/launchdarkly/python-server-sdk-ai/commit/6d1ce4c921a0ef4ea483316dcb8dd6fe7766b59e))
+
 ## [0.5.0](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-openai-0.4.0...launchdarkly-server-sdk-ai-openai-0.5.0) (2026-05-05)
 
 
diff --git a/packages/ai-providers/server-ai-openai/pyproject.toml b/packages/ai-providers/server-ai-openai/pyproject.toml
index fb1f48b..f2dd0d0 100644
--- a/packages/ai-providers/server-ai-openai/pyproject.toml
+++ b/packages/ai-providers/server-ai-openai/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-server-sdk-ai-openai"
-version = "0.5.0"
+version = "0.5.1"
 description = "LaunchDarkly AI SDK OpenAI Provider"
 authors = [{name = "LaunchDarkly", email = "dev@launchdarkly.com"}]
 license = {text = "Apache-2.0"}
diff --git a/packages/sdk/server-ai/CHANGELOG.md b/packages/sdk/server-ai/CHANGELOG.md
index 77ae944..5bb2bd0 100644
--- a/packages/sdk/server-ai/CHANGELOG.md
+++ b/packages/sdk/server-ai/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to the LaunchDarkly Python AI package will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [0.20.0](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-0.19.0...launchdarkly-server-sdk-ai-0.20.0) (2026-05-06)
+
+
+### ⚠ BREAKING CHANGES
+
+* Remove stale ManagedModel message management and AgentGraphResult type ([#170](https://github.com/launchdarkly/python-server-sdk-ai/issues/170))
+
+### Bug Fixes
+
+* Remove stale ManagedModel message management and AgentGraphResult type ([#170](https://github.com/launchdarkly/python-server-sdk-ai/issues/170)) ([7d6ad23](https://github.com/launchdarkly/python-server-sdk-ai/commit/7d6ad2340717c48ccde9e718ee7f2b92fb748e9e))
+
 ## [0.19.0](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-0.18.0...launchdarkly-server-sdk-ai-0.19.0) (2026-05-05)
 
 
diff --git a/packages/sdk/server-ai/PROVENANCE.md b/packages/sdk/server-ai/PROVENANCE.md
index 5a1d519..2da0f4d 100644
--- a/packages/sdk/server-ai/PROVENANCE.md
+++ b/packages/sdk/server-ai/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify build provenance attestations, we recommend using the [GitHub CLI `att
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the library to verify
-VERSION=0.19.0
+VERSION=0.20.0
 ```
 <!-- x-release-please-end -->
 
diff --git a/packages/sdk/server-ai/pyproject.toml b/packages/sdk/server-ai/pyproject.toml
index 65e79a4..298ae89 100644
--- a/packages/sdk/server-ai/pyproject.toml
+++ b/packages/sdk/server-ai/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-server-sdk-ai"
-version = "0.19.0"  # x-release-please-version
+version = "0.20.0"  # x-release-please-version
 description = "LaunchDarkly SDK for AI"
 authors = [{name = "LaunchDarkly", email = "dev@launchdarkly.com"}]
 license = {text = "Apache-2.0"}
diff --git a/packages/sdk/server-ai/src/ldai/__init__.py b/packages/sdk/server-ai/src/ldai/__init__.py
index 3082dbe..e282cc6 100644
--- a/packages/sdk/server-ai/src/ldai/__init__.py
+++ b/packages/sdk/server-ai/src/ldai/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.19.0"  # x-release-please-version
+__version__ = "0.20.0"  # x-release-please-version
 
 from ldclient import log