From c10d75c4957021705eaa25ec800fa6fda5470a7a Mon Sep 17 00:00:00 2001
From: Waleed Latif <walif6@gmail.com>
Date: Wed, 26 Aug 2026 10:08:29 -0700
Subject: [PATCH] feat(providers): add GLM-5.3 and GLM-5.3-Flash to Z.ai

---
 .../docs/en/workflows/blocks/agent.mdx        |  2 +-
 apps/sim/providers/models.test.ts             |  2 ++
 apps/sim/providers/models.ts                  | 36 ++++++++++++++++++-
 3 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/apps/docs/content/docs/en/workflows/blocks/agent.mdx b/apps/docs/content/docs/en/workflows/blocks/agent.mdx
index 1a6fb899444..18241d3a3ca 100644
--- a/apps/docs/content/docs/en/workflows/blocks/agent.mdx
+++ b/apps/docs/content/docs/en/workflows/blocks/agent.mdx
@@ -119,7 +119,7 @@ Live tool-call chips stream for **OpenAI, Anthropic, Azure Anthropic, Google, Ve
 | Groq | Full thinking deltas | `groq/openai/gpt-oss-120b`, `groq/openai/gpt-oss-20b`, `groq/openai/gpt-oss-safeguard-20b`, `groq/qwen/qwen3.6-27b` |
 | Meta | Not streamed | `muse-spark-1.1` |
 | Kimi | Full thinking deltas | `kimi-k2.6` |
-| Z.ai | Full thinking deltas | `glm-5.2`, `glm-5.1`, `glm-5`, `glm-5-turbo`, `glm-4.7`, `glm-4.6`, `glm-4.5`, `glm-4.5-air` |
+| Z.ai | Full thinking deltas | `glm-5.3`, `glm-5.2`, `glm-5.1`, `glm-5`, `glm-5-turbo`, `glm-4.7`, `glm-4.6`, `glm-4.5`, `glm-4.5-air` |
 
 {/* agent-stream-capabilities:end */}
 
diff --git a/apps/sim/providers/models.test.ts b/apps/sim/providers/models.test.ts
index 460a6995b36..908d461bb42 100644
--- a/apps/sim/providers/models.test.ts
+++ b/apps/sim/providers/models.test.ts
@@ -253,6 +253,8 @@ describe('zai provider definition', () => {
   const zai = PROVIDER_DEFINITIONS.zai
 
   const expectedModels = [
+    { id: 'glm-5.3', contextWindow: 1000000 },
+    { id: 'glm-5.3-flash', contextWindow: 1000000 },
     { id: 'glm-5.2', contextWindow: 1000000 },
     { id: 'glm-5.1', contextWindow: 200000 },
     { id: 'glm-5', contextWindow: 200000 },
diff --git a/apps/sim/providers/models.ts b/apps/sim/providers/models.ts
index 8f4e7de5592..fd04b7f69d2 100644
--- a/apps/sim/providers/models.ts
+++ b/apps/sim/providers/models.ts
@@ -2888,6 +2888,41 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
       toolUsageControl: true,
     },
     models: [
+      {
+        id: 'glm-5.3',
+        pricing: {
+          input: 1.4,
+          output: 4.4,
+          updatedAt: '2026-08-26',
+        },
+        capabilities: {
+          temperature: { min: 0, max: 1 },
+          toolUsageControl: true,
+          maxOutputTokens: 131072,
+          reasoningEffort: {
+            values: ['low', 'high', 'max'],
+          },
+        },
+        contextWindow: 1000000,
+        releaseDate: '2026-08-14',
+        recommended: true,
+      },
+      {
+        id: 'glm-5.3-flash',
+        pricing: {
+          input: 0.15,
+          output: 0.5,
+          updatedAt: '2026-08-26',
+        },
+        capabilities: {
+          temperature: { min: 0, max: 1 },
+          toolUsageControl: true,
+          maxOutputTokens: 131072,
+        },
+        contextWindow: 1000000,
+        releaseDate: '2026-08-26',
+        speedOptimized: true,
+      },
       {
         id: 'glm-5.2',
         pricing: {
@@ -2905,7 +2940,6 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
         },
         contextWindow: 1000000,
         releaseDate: '2026-06-13',
-        recommended: true,
       },
       {
         id: 'glm-5.1',