diff --git a/docs/reference/PROVIDER_REFERENCE.md b/docs/reference/PROVIDER_REFERENCE.md
index fa597a551d..0904ac7ba1 100644
--- a/docs/reference/PROVIDER_REFERENCE.md
+++ b/docs/reference/PROVIDER_REFERENCE.md
@@ -1,16 +1,16 @@
 ---
 title: "Provider Reference"
 version: 3.8.49
-lastUpdated: 2026-07-28
+lastUpdated: 2026-08-25
 ---
 
 # Provider Reference
 
 > **Auto-generated** from `src/shared/constants/providers.ts` — do not edit by hand.
 > Regenerate with: `npm run gen:provider-reference`
-> **Last generated:** 2026-07-28
+> **Last generated:** 2026-08-25
 
-Total providers: **290**. See category breakdown below.
+Total providers: **291**. See category breakdown below.
 
 ## Categories
 
@@ -97,7 +97,7 @@ Use the dashboard at `/dashboard/providers` to enable, configure, and test each
 | `zai-web` | `zw` | Z.ai Web (Free) | Web cookie | [link](https://chat.z.ai) | Paste the full Cookie header from chat.z.ai (must include the token=<JWT> cookie) | — |
 | `zenmux-free` | `zmf` | ZenMux Free (Web) | Web cookie | [link](https://zenmux.ai) | Login at zenmux.ai, then export all cookies using EditThisCookie or Cookie-Editor and paste the full Cookie header string here. Refresh every ~30 days. | — |
 
-## API Key Providers (paid / paid-with-free-credits) (195)
+## API Key Providers (paid / paid-with-free-credits) (196)
 
 | ID | Alias | Name | Tags | Website | Notes |
 |----|-------|------|------|---------|-------|
@@ -233,6 +233,7 @@ Use the dashboard at `/dashboard/providers` to enable, configure, and test each
 | `opencode-zen` | `opencode-zen` | OpenCode Zen | API key | [link](https://opencode.ai/zen) | — |
 | `openrouter` | `openrouter` | OpenRouter | API key, aggregator | [link](https://openrouter.ai) | Free models at $0/token with :free suffix - 20 RPM / 200 RPD |
 | `openvecta` | `openvecta` | OpenVecta | API key | [link](https://openvecta.com) | Free credits on signup for OpenAI-compatible inference across LLMs, embeddings, and reasoning models |
+| `opper` | `opper` | Opper | API key, aggregator | [link](https://opper.ai) | — |
 | `orcarouter` | `orcarouter` | OrcaRouter | API key | [link](https://www.orcarouter.ai) | — |
 | `ovhcloud` | `ovh` | OVHcloud AI | API key | [link](https://www.ovhcloud.com) | — |
 | `perplexity` | `pplx` | Perplexity | API key | [link](https://www.perplexity.ai) | — |
diff --git a/public/providers/opper.svg b/public/providers/opper.svg
new file mode 100644
index 0000000000..29474dc4d7
--- /dev/null
+++ b/public/providers/opper.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 315 315"><title>Opper</title><circle cx="157.5" cy="157.5" r="157.5" fill="#1B2E40"/><g transform="translate(63 63) scale(0.6)" fill="#FFFFFF"><path fill-rule="evenodd" clip-rule="evenodd" d="M159.78 315C71.53 315 0 244.49 0 157.5C0 -18.9499 159.78 0.650075 159.78 0.650075C159.78 87.2201 88.36 157.4 0.2 157.5C149.8 157.64 159.78 315 159.78 315ZM160.52 217.98C160.52 217.98 156.94 161.65 105.04 157.52C120.6 157.34 160.52 151.54 160.52 96.5601C160.52 151.54 200.44 157.34 216 157.52C164.1 161.65 160.52 217.98 160.52 217.98Z"/></g></svg>
diff --git a/src/shared/constants/providers.ts b/src/shared/constants/providers.ts
index 306a91d0f1..9ee8e7b3c3 100644
--- a/src/shared/constants/providers.ts
+++ b/src/shared/constants/providers.ts
@@ -70,6 +70,7 @@ export const AGGREGATOR_PROVIDER_IDS = new Set([
   "kilo-gateway",
   "aimlapi",
   "novita",
+  "opper",
   "piapi",
   "getgoapi",
   "laozhang",
diff --git a/tests/snapshots/provider/translate-path.json b/tests/snapshots/provider/translate-path.json
index 7f2d7ae323..4485993dda 100644
--- a/tests/snapshots/provider/translate-path.json
+++ b/tests/snapshots/provider/translate-path.json
@@ -3828,6 +3828,29 @@
       "stream": "https://api.openvecta.com/v1/chat/completions"
     }
   },
+  "opper": {
+    "format": "openai",
+    "headers": {
+      "apiKey": {
+        "Accept": "text/event-stream",
+        "Authorization": "Bearer <TOK>",
+        "Content-Type": "application/json"
+      },
+      "nonStream": {
+        "Authorization": "Bearer <TOK>",
+        "Content-Type": "application/json"
+      },
+      "oauth": {
+        "Accept": "text/event-stream",
+        "Authorization": "Bearer <TOK>",
+        "Content-Type": "application/json"
+      }
+    },
+    "url": {
+      "nonStream": "https://api.opper.ai/v3/compat/chat/completions",
+      "stream": "https://api.opper.ai/v3/compat/chat/completions"
+    }
+  },
   "orcarouter": {
     "format": "openai",
     "headers": {