From 4b506bef2dedb20bc8538014049a9f7fb33fcf08 Mon Sep 17 00:00:00 2001
From: Anco <anco@bluebarry.ai>
Date: Tue, 22 Sep 2026 18:32:11 +0200
Subject: [PATCH 1/2] feat(models): add Claude Opus 5.5

Claude Code 2.1.280 ships claude-opus-5-5 and points the `opus` alias at
it. Add it to the Claude manifest with its own profile (Opus 5 options,
medium default effort), move the `opus` alias over and mark Opus 5 as
legacy.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
---
 apps/server/src/provider/model-manifest.json | 100 ++++++++++++++++++-
 1 file changed, 97 insertions(+), 3 deletions(-)

diff --git a/apps/server/src/provider/model-manifest.json b/apps/server/src/provider/model-manifest.json
index efc22ad0a3d0..1328410b0585 100644
--- a/apps/server/src/provider/model-manifest.json
+++ b/apps/server/src/provider/model-manifest.json
@@ -1,6 +1,6 @@
 {
   "version": 1,
-  "updatedAt": "2026-09-12T00:41:55Z",
+  "updatedAt": "2026-09-22T18:00:00Z",
   "currentModels": {
     "codex": [
       "gpt-6-astra",
@@ -96,6 +96,88 @@
             }
           }
         },
+        "opus-5-5": {
+          "capabilities": {
+            "optionDescriptors": [
+              {
+                "id": "effort",
+                "label": "Reasoning",
+                "type": "select",
+                "options": [
+                  {
+                    "id": "low",
+                    "label": "Low"
+                  },
+                  {
+                    "id": "medium",
+                    "label": "Medium",
+                    "isDefault": true
+                  },
+                  {
+                    "id": "high",
+                    "label": "High"
+                  },
+                  {
+                    "id": "xhigh",
+                    "label": "Extra High"
+                  },
+                  {
+                    "id": "max",
+                    "label": "Max"
+                  },
+                  {
+                    "id": "ultracode",
+                    "label": "Ultracode",
+                    "description": "xhigh effort plus multi-agent workflow orchestration"
+                  },
+                  {
+                    "id": "ultrathink",
+                    "label": "Ultrathink"
+                  }
+                ],
+                "promptInjectedValues": ["ultrathink"]
+              },
+              {
+                "id": "fastMode",
+                "label": "Fast Mode",
+                "type": "boolean"
+              },
+              {
+                "id": "contextWindow",
+                "label": "Context Window",
+                "type": "select",
+                "options": [
+                  {
+                    "id": "200k",
+                    "label": "200k"
+                  },
+                  {
+                    "id": "1m",
+                    "label": "1M",
+                    "isDefault": true
+                  }
+                ]
+              }
+            ]
+          },
+          "adapter": {
+            "claudeCode": {
+              "effortMap": {
+                "ultracode": "xhigh",
+                "ultrathink": null
+              },
+              "modelSuffixes": {
+                "contextWindow": {
+                  "1m": "[1m]"
+                }
+              },
+              "contextWindowTokens": {
+                "200k": 200000,
+                "1m": 1000000
+              }
+            }
+          }
+        },
         "opus-5": {
           "capabilities": {
             "optionDescriptors": [
@@ -577,11 +659,23 @@
             }
           }
         },
+        {
+          "slug": "claude-opus-5-5",
+          "name": "Claude Opus 5.5",
+          "aliases": ["opus", "opus-5.5", "claude-opus-5.5"],
+          "status": "current",
+          "profile": "opus-5-5",
+          "adapter": {
+            "claudeCode": {
+              "minVersion": "2.1.280"
+            }
+          }
+        },
         {
           "slug": "claude-opus-5",
           "name": "Claude Opus 5",
-          "aliases": ["opus", "opus-5", "claude-opus-5.0", "claude-opus-5-0"],
-          "status": "current",
+          "aliases": ["opus-5", "claude-opus-5.0", "claude-opus-5-0"],
+          "status": "legacy",
           "profile": "opus-5",
           "adapter": {
             "claudeCode": {

From f5b436b65fe2e414e681886734dbea0ed42fadf5 Mon Sep 17 00:00:00 2001
From: Anco <anco@bluebarry.ai>
Date: Tue, 22 Sep 2026 18:43:22 +0200
Subject: [PATCH 2/2] feat(models): mark Claude Opus 5.5 as new

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
---
 apps/server/src/provider/model-manifest.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/server/src/provider/model-manifest.json b/apps/server/src/provider/model-manifest.json
index 1328410b0585..2ee8c42be6de 100644
--- a/apps/server/src/provider/model-manifest.json
+++ b/apps/server/src/provider/model-manifest.json
@@ -664,6 +664,7 @@
           "name": "Claude Opus 5.5",
           "aliases": ["opus", "opus-5.5", "claude-opus-5.5"],
           "status": "current",
+          "badge": "new",
           "profile": "opus-5-5",
           "adapter": {
             "claudeCode": {