diff --git a/bun.lock b/bun.lock
index 5021c1d9138..5a64e8f0fa3 100644
--- a/bun.lock
+++ b/bun.lock
@@ -329,6 +329,7 @@
         "@effect/platform-node": "catalog:",
         "@hono/standard-validator": "0.1.5",
         "@hono/zod-validator": "catalog:",
+        "@llmgateway/ai-sdk-provider": "2.5.1",
         "@modelcontextprotocol/sdk": "1.27.1",
         "@octokit/graphql": "9.0.2",
         "@octokit/rest": "catalog:",
@@ -1325,6 +1326,8 @@
 
     "@leichtgewicht/ip-codec": ["@leichtgewicht/ip-codec@2.0.5", "", {}, "sha512-Vo+PSpZG2/fmgmiNzYK9qWRh8h/CHrwD0mo1h1DzL4yzHNSfWYujGTYsWGreD000gcgmZ7K4Ys6Tx9TxtsKdDw=="],
 
+    "@llmgateway/ai-sdk-provider": ["@llmgateway/ai-sdk-provider@2.5.1", "", { "peerDependencies": { "ai": "^5.0.0-beta.12", "zod": "^3.24.1 || ^v4" } }, "sha512-UlmqsLr4Vsgd+mbEULFRyMStRS5DEd4SMUVU6Iu+n+uauKryJXilU/BXbAjHF7y8f595xHcYnpmPUocofN8xvQ=="],
+
     "@lukeed/ms": ["@lukeed/ms@2.0.2", "", {}, "sha512-9I2Zn6+NJLfaGoz9jN3lpwDgAYvfGeNYdbAIjJOqzs4Tpc+VU3Jqq4IofSUBKajiDS8k9fZIg18/z13mpk1bsA=="],
 
     "@malept/cross-spawn-promise": ["@malept/cross-spawn-promise@2.0.0", "", { "dependencies": { "cross-spawn": "^7.0.1" } }, "sha512-1DpKU0Z5ThltBwjNySMC14g0CkbyhCaz9FkhxqNsZI6uAPJXFS8cMXlBKo26FJ8ZuW6S9GCMcR9IO5k2X5/9Fg=="],
diff --git a/packages/opencode/package.json b/packages/opencode/package.json
index dd6a0497e16..f7438d78366 100644
--- a/packages/opencode/package.json
+++ b/packages/opencode/package.json
@@ -93,6 +93,7 @@
     "@effect/platform-node": "catalog:",
     "@hono/standard-validator": "0.1.5",
     "@hono/zod-validator": "catalog:",
+    "@llmgateway/ai-sdk-provider": "2.5.1",
     "@modelcontextprotocol/sdk": "1.27.1",
     "@octokit/graphql": "9.0.2",
     "@octokit/rest": "catalog:",
diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index 7fb3166284b..08e109e5e6a 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -47,6 +47,7 @@ import {
   isWorkflowModel,
   discoverWorkflowModels,
 } from "gitlab-ai-provider"
+import { createLLMGateway } from "@llmgateway/ai-sdk-provider"
 import { fromNodeProviderChain } from "@aws-sdk/credential-providers"
 import { GoogleAuth } from "google-auth-library"
 import { ProviderTransform } from "./transform"
@@ -114,6 +115,15 @@ export namespace Provider {
     languageModel(modelId: string): LanguageModelV3
   }
 
+  // @llmgateway/ai-sdk-provider's return type doesn't currently satisfy BundledSDK,
+  // so we wrap it with an adapter that delegates to the underlying provider.
+  const createLLMGatewayAdapter: (options: any) => BundledSDK = (options) => {
+    const llmgw: any = createLLMGateway(options)
+    return {
+      languageModel: (modelId: string) => llmgw.languageModel(modelId),
+    }
+  }
+
   const BUNDLED_PROVIDERS: Record<string, (options: any) => BundledSDK> = {
     "@ai-sdk/amazon-bedrock": createAmazonBedrock,
     "@ai-sdk/anthropic": createAnthropic,
@@ -124,6 +134,7 @@ export namespace Provider {
     "@ai-sdk/openai": createOpenAI,
     "@ai-sdk/openai-compatible": createOpenAICompatible,
     "@openrouter/ai-sdk-provider": createOpenRouter,
+    "@llmgateway/ai-sdk-provider": createLLMGatewayAdapter,
     "@ai-sdk/xai": createXai,
     "@ai-sdk/mistral": createMistral,
     "@ai-sdk/groq": createGroq,
@@ -415,6 +426,18 @@ export namespace Provider {
         },
       }
     },
+    llmgateway: async () => {
+      return {
+        autoload: false,
+        options: {
+          headers: {
+            "HTTP-Referer": "https://opencode.ai/",
+            "X-Title": "opencode",
+            "X-Source": "opencode",
+          },
+        },
+      }
+    },
     vercel: async () => {
       return {
         autoload: false,
diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index f651a5b91aa..42787016330 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -758,7 +758,7 @@ export namespace ProviderTransform {
       result["store"] = false
     }
 
-    if (input.model.api.npm === "@openrouter/ai-sdk-provider") {
+    if (input.model.api.npm === "@openrouter/ai-sdk-provider" || input.model.api.npm === "@llmgateway/ai-sdk-provider") {
       result["usage"] = {
         include: true,
       }
@@ -883,7 +883,7 @@ export namespace ProviderTransform {
       }
       return { thinkingConfig: { thinkingBudget: 0 } }
     }
-    if (model.providerID === "openrouter") {
+    if (model.providerID === "openrouter" || model.providerID === "llmgateway") {
       if (model.api.id.includes("google")) {
         return { reasoning: { enabled: false } }
       }
diff --git a/packages/opencode/test/preload.ts b/packages/opencode/test/preload.ts
index 0ddc797faf7..60b25b2302f 100644
--- a/packages/opencode/test/preload.ts
+++ b/packages/opencode/test/preload.ts
@@ -62,6 +62,7 @@ delete process.env["AWS_PROFILE"]
 delete process.env["AWS_REGION"]
 delete process.env["AWS_BEARER_TOKEN_BEDROCK"]
 delete process.env["OPENROUTER_API_KEY"]
+delete process.env["LLM_GATEWAY_API_KEY"]
 delete process.env["GROQ_API_KEY"]
 delete process.env["MISTRAL_API_KEY"]
 delete process.env["PERPLEXITY_API_KEY"]
diff --git a/packages/ui/src/components/provider-icons/types.ts b/packages/ui/src/components/provider-icons/types.ts
index f9ddfdf0e92..5a97287509e 100644
--- a/packages/ui/src/components/provider-icons/types.ts
+++ b/packages/ui/src/components/provider-icons/types.ts
@@ -32,6 +32,7 @@ export const iconNames = [
   "perplexity",
   "ovhcloud",
   "openrouter",
+  "llmgateway",
   "opencode",
   "opencode-go",
   "openai",
diff --git a/packages/web/src/content/docs/providers.mdx b/packages/web/src/content/docs/providers.mdx
index b14c8ab10a8..fad794bec23 100644
--- a/packages/web/src/content/docs/providers.mdx
+++ b/packages/web/src/content/docs/providers.mdx
@@ -1533,6 +1533,74 @@ OpenCode Zen is a list of tested and verified models provided by the OpenCode te
 
 ---
 
+### LLM Gateway
+
+1. Head over to the [LLM Gateway dashboard](https://llmgateway.io/dashboard), click **Create API Key**, and copy the key.
+
+2. Run the `/connect` command and search for LLM Gateway.
+
+   ```txt
+   /connect
+   ```
+
+3. Enter the API key for the provider.
+
+   ```txt
+   ┌ API key
+   │
+   │
+   └ enter
+   ```
+
+4. Many LLM Gateway models are preloaded by default, run the `/models` command to select the one you want.
+
+   ```txt
+   /models
+   ```
+
+   You can also add additional models through your opencode config.
+
+   ```json title="opencode.json" {6}
+   {
+     "$schema": "https://opencode.ai/config.json",
+     "provider": {
+       "llmgateway": {
+         "models": {
+           "somecoolnewmodel": {}
+         }
+       }
+     }
+   }
+   ```
+
+5. You can also customize them through your opencode config. Here's an example of specifying a provider
+
+   ```json title="opencode.json"
+   {
+     "$schema": "https://opencode.ai/config.json",
+     "provider": {
+       "llmgateway": {
+         "models": {
+           "glm-4.7": {
+             "name": "GLM 4.7"
+           },
+           "gpt-5.2": {
+             "name": "GPT-5.2"
+           },
+           "gemini-2.5-pro": {
+             "name": "Gemini 2.5 Pro"
+           },
+           "claude-3-5-sonnet-20241022": {
+             "name": "Claude 3.5 Sonnet"
+           }
+         }
+       }
+     }
+   }
+   ```
+
+---
+
 ### SAP AI Core
 
 SAP AI Core provides access to 40+ models from OpenAI, Anthropic, Google, Amazon, Meta, Mistral, and AI21 through a unified platform.