feat(providers): add Claude Opus 5.5 support

changelog.d/features/14546-claude-opus-5-5.md

@@ -0,0 +1 @@
+- **feat(providers):** add Claude Opus 5.5 (`claude-opus-5-5`) to the Anthropic API, Claude OAuth, Bedrock and Vertex catalogs — native 1M context, 128K output, five effort tiers (default `medium`), $4/$20 pricing, Fast Mode, Opus 5 fallback; disabled thinking, manual budgets and forced `tool_choice` are normalized before dispatch since Opus 5.5 rejects them. The `cc/` Opus CLI default stays `claude-opus-5`, because `claude`/`anthropic` connections synced before the launch reject Opus 5.5 until their model list is refreshed (Refs #14612) ([#14546](https://github.com/diegosouzapw/OmniRoute/pull/14546)).

open-sse/config/claudeCodeCompatibleIdentity.ts

@@ -15,13 +15,14 @@ export const CLAUDE_CODE_COMPATIBLE_USER_AGENT = getClaudeCodeUserAgent("sdk-cli
 export { getClaudeCodeUserAgent };
 export const CLAUDE_CODE_COMPATIBLE_STAINLESS_PACKAGE_VERSION = CLAUDE_CODE_SDK_PACKAGE_VERSION;
 export const CLAUDE_CODE_COMPATIBLE_STAINLESS_RUNTIME_VERSION = CLAUDE_CODE_RUNTIME_VERSION;
-const CONTEXT_1M_NATIVE_MODELS = ["claude-fable-5-1", "claude-opus-5"];
+const CONTEXT_1M_NATIVE_MODELS = ["claude-fable-5-1", "claude-opus-5-5", "claude-opus-5"];
 
 export function modelHasNativeContext1m(model: string | null | undefined): boolean {
   const normalizedModel = String(model || "")
     .trim()
     .toLowerCase()
     .replace(/^.*?(?=claude-)/, "")
+    .replace(/(\d)\.(\d)/g, "$1-$2")
     .replace(/-\d{8}$/, "");
 
   return CONTEXT_1M_NATIVE_MODELS.some(

open-sse/config/providers/registry/anthropic/index.ts

@@ -36,6 +36,17 @@ export const anthropicProvider: RegistryEntry = {
       supportsXHighEffort: true,
       unsupportedParams: ["temperature", "top_p", "top_k"],
     },
+    {
+      id: "claude-opus-5-5",
+      name: "Claude Opus 5.5",
+      contextLength: 1000000,
+      maxOutputTokens: 128000,
+      supportsReasoning: true,
+      supportedThinkingEfforts: ["low", "medium", "high", "xhigh", "max"],
+      supportsXHighEffort: true,
+      supportsVision: true,
+      unsupportedParams: ["temperature", "top_p", "top_k"],
+    },
     {
       id: "claude-opus-5",
       name: "Claude Opus 5",

open-sse/config/providers/registry/bedrock/index.ts

@@ -20,6 +20,18 @@ export const bedrockProvider: RegistryEntry = {
       contextLength: 1000000,
       maxOutputTokens: 128000,
     },
+    {
+      id: "anthropic.claude-opus-5-5",
+      name: "Claude Opus 5.5 (Bedrock)",
+      toolCalling: true,
+      supportsReasoning: true,
+      supportedThinkingEfforts: ["low", "medium", "high", "xhigh", "max"],
+      supportsXHighEffort: true,
+      supportsVision: true,
+      contextLength: 1000000,
+      maxOutputTokens: 128000,
+      unsupportedParams: ["temperature", "top_p", "top_k"],
+    },
     {
       id: "anthropic.claude-sonnet-4-6",
       name: "Claude Sonnet 4.6 (Bedrock)",

open-sse/config/providers/registry/claude/index.ts

@@ -60,6 +60,18 @@ export const claudeProvider: RegistryEntry = {
       supportsXHighEffort: true,
       unsupportedParams: ["temperature", "top_p", "top_k"],
     },
+    // Listed after Opus 5 so the cc/ Opus default stays on a model stale live catalogs still accept (#14612).
+    {
+      id: "claude-opus-5-5",
+      name: "Claude Opus 5.5",
+      contextLength: 1000000,
+      maxOutputTokens: 128000,
+      supportsReasoning: true,
+      supportedThinkingEfforts: ["low", "medium", "high", "xhigh", "max"],
+      supportsXHighEffort: true,
+      supportsVision: true,
+      unsupportedParams: ["temperature", "top_p", "top_k"],
+    },
     {
       id: "claude-opus-4-8",
       name: "Claude Opus 4.8",

open-sse/config/providers/registry/vertex/index.ts

@@ -49,6 +49,7 @@ export const vertexProvider: RegistryEntry = {
     ...VERTEX_XAI_MODELS,
     { id: "claude-fable-5-1", name: "Claude Fable 5.1 (Vertex)", targetFormat: "claude" },
     { id: "claude-fable-5", name: "Claude Fable 5 (Vertex)", targetFormat: "claude" },
+    { id: "claude-opus-5-5", name: "Claude Opus 5.5 (Vertex)", targetFormat: "claude" },
     { id: "claude-opus-5", name: "Claude Opus 5 (Vertex)", targetFormat: "claude" },
     { id: "claude-sonnet-5", name: "Claude Sonnet 5 (Vertex)", targetFormat: "claude" },
     { id: "claude-sonnet-5-5", name: "Claude Sonnet 5.5 (Vertex)", targetFormat: "claude" },

open-sse/config/providers/registry/vertex/partner/index.ts

@@ -21,6 +21,7 @@ export const vertex_partnerProvider: RegistryEntry = {
     ...VERTEX_XAI_MODELS,
     { id: "claude-fable-5-1", name: "Claude Fable 5.1", targetFormat: "claude" },
     { id: "claude-fable-5", name: "Claude Fable 5", targetFormat: "claude" },
+    { id: "claude-opus-5-5", name: "Claude Opus 5.5", targetFormat: "claude" },
     { id: "claude-opus-5", name: "Claude Opus 5", targetFormat: "claude" },
     { id: "claude-sonnet-5", name: "Claude Sonnet 5", targetFormat: "claude" },
     { id: "claude-sonnet-5-5", name: "Claude Sonnet 5.5", targetFormat: "claude" },

open-sse/services/modelFamilyFallback.ts

@@ -84,6 +84,7 @@ const FAMILY_FALLBACK_TEMPLATES: Record<string, readonly string[]> = {
   "claude-fable-5": ["claude-opus-4-8", "claude-opus-4-7", "claude-sonnet-5"],
 
   // Claude Opus family
+  "claude-opus-5-5": ["claude-opus-5", "claude-opus-4-8", "claude-sonnet-5"],
   "claude-opus-5": ["claude-opus-4-8", "claude-opus-4-7", "claude-sonnet-5"],
   "claude-opus-4-8": ["claude-opus-4-7", "claude-opus-4-6", "claude-sonnet-5"],
   "claude-opus-4-7": ["claude-opus-4-6", "claude-opus-4-5-20251101", "claude-sonnet-5"],

open-sse/services/providerCostData.ts

@@ -17,6 +17,7 @@ export const KNOWN_MODEL_PRICING: Record<string, ModelPricing> = {
   "gpt-4o-mini": { inputCostPer1M: 0.15, outputCostPer1M: 0.6, isFree: false },
   "claude-fable-5-1": { inputCostPer1M: 10.0, outputCostPer1M: 50.0, isFree: false },
   "claude-fable-5": { inputCostPer1M: 15.0, outputCostPer1M: 75.0, isFree: false },
+  "claude-opus-5-5": { inputCostPer1M: 4.0, outputCostPer1M: 20.0, isFree: false },
   "claude-opus-5": { inputCostPer1M: 5.0, outputCostPer1M: 25.0, isFree: false },
   "claude-opus-4-8": { inputCostPer1M: 15.0, outputCostPer1M: 75.0, isFree: false },
   "claude-opus-4-7": { inputCostPer1M: 15.0, outputCostPer1M: 75.0, isFree: false },

src/lib/db/settings.ts

@@ -210,6 +210,7 @@ export async function getSettings() {
       enabled: false,
       supportedModels: [
         "claude-fable-5",
+        "claude-opus-5-5",
         "claude-opus-5",
         "claude-opus-4-8",
         "claude-opus-4-7",

src/lib/providers/claudeFastMode.ts

@@ -8,6 +8,7 @@ type JsonRecord = Record<string, unknown>;
  */
 export const CLAUDE_FAST_MODE_DEFAULT_MODELS = [
   "claude-fable-5",
+  "claude-opus-5-5",
   "claude-opus-5",
   "claude-opus-4-8",
   "claude-opus-4-7",

src/lib/providers/staticModels.ts

@@ -37,6 +37,7 @@ const STATIC_MODEL_PROVIDERS: Record<string, () => Array<{ id: string; name: str
   claude: () => [
     { id: "claude-fable-5-1", name: "Claude Fable 5.1" },
     { id: "claude-fable-5", name: "Claude Fable 5" },
+    { id: "claude-opus-5-5", name: "Claude Opus 5.5" },
     { id: "claude-opus-5", name: "Claude Opus 5" },
     { id: "claude-opus-4-8", name: "Claude Opus 4.8" },
     { id: "claude-opus-4-7", name: "Claude Opus 4.7" },

src/shared/constants/modelSpecs.ts

@@ -485,6 +485,22 @@ export const MODEL_SPECS: Record<string, ModelSpec> = {
     aliases: BEDROCK_CLAUDE_ALIASES("claude-fable-5"),
   },
 
+  // ── Claude Opus 5.5 ─────────────────────────────────────────────
+  "claude-opus-5-5": {
+    maxOutputTokens: 128000,
+    contextWindow: 1000000,
+    defaultThinkingBudget: 32000,
+    thinkingBudgetCap: 120000,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+    rejectsThinkingDisabled: true,
+    adaptiveThinkingOnly: true,
+    rejectsForcedToolChoice: true,
+    defaultReasoningEffort: "medium",
+    aliases: BEDROCK_CLAUDE_ALIASES("claude-opus-5-5", "claude-opus-5.5"),
+  },
+
   // ── Claude Opus 5 ───────────────────────────────────────────────
   "claude-opus-5": {
     maxOutputTokens: 128000,

src/shared/constants/pricing/frontier-labs.ts

@@ -11,6 +11,7 @@ import {
   GPT_5_6_TERRA_PRICING,
   CLAUDE_FABLE_5_1_PRICING,
   CLAUDE_FABLE_5_PRICING,
+  CLAUDE_OPUS_5_5_PRICING,
   CLAUDE_OPUS_5_PRICING,
   CLAUDE_OPUS_4_PRICING,
   CLAUDE_SONNET_4_PRICING,
@@ -218,6 +219,7 @@ export const DEFAULT_PRICING_FRONTIER = {
     // to cover hyphen-notation IDs (claude-opus-4-6) used by some clients
     "claude-fable-5-1": CLAUDE_FABLE_5_1_PRICING,
     "claude-fable-5": CLAUDE_FABLE_5_PRICING,
+    "claude-opus-5-5": CLAUDE_OPUS_5_5_PRICING,
     "claude-opus-5": CLAUDE_OPUS_5_PRICING,
     "claude-sonnet-5": CLAUDE_SONNET_5_PRICING,
     "claude-sonnet-5-5": CLAUDE_SONNET_5_PRICING,

src/shared/constants/pricing/oauth-subscriptions.ts

@@ -5,6 +5,7 @@
 import {
   GPT_6_ASTRA_PRICING,
   CLAUDE_FABLE_5_1_PRICING,
+  CLAUDE_OPUS_5_5_PRICING,
   CLAUDE_OPUS_5_PRICING,
   GEMINI_3_7_FLASH_PROMO_PRICING,
   GPT_5_3_CODEX_PRICING,
@@ -49,6 +50,7 @@ export const DEFAULT_PRICING_OAUTH = {
       reasoning: 50.0,
       cache_creation: 12.5,
     },
+    "claude-opus-5-5": CLAUDE_OPUS_5_5_PRICING,
     "claude-opus-5": CLAUDE_OPUS_5_PRICING,
     "claude-opus-4-8": {
       input: 5.0,

src/shared/constants/pricing/shared-tiers.ts

@@ -78,6 +78,14 @@ export const CLAUDE_FABLE_5_1_PRICING = {
   cache_creation: 12.5,
 };
 
+export const CLAUDE_OPUS_5_5_PRICING = {
+  input: 4.0,
+  output: 20.0,
+  cached: 0.2,
+  reasoning: 20.0,
+  cache_creation: 5.0,
+};
+
 export const CLAUDE_OPUS_5_PRICING = {
   input: 5.0,
   output: 25.0,

tests/unit/claude-codex-identity-version-sync.test.ts

@@ -40,6 +40,15 @@ test("Claude CLI version constants are in lockstep across all 4 sources", () =>
   );
 });
 
+test("Claude CLI pin clears Anthropic's Opus 5.5 model gate (>= 2.1.280)", () => {
+  const [major, minor, patch] = canonical.CLAUDE_CODE_CLIENT_VERSION.split(".").map(Number);
+  const meetsGate = major > 2 || (major === 2 && (minor > 1 || (minor === 1 && patch >= 280)));
+  assert.ok(
+    meetsGate,
+    `claude-cli pin ${canonical.CLAUDE_CODE_CLIENT_VERSION} < 2.1.280 — Anthropic rejects claude-opus-5-5 with 400 "Claude Code ${canonical.CLAUDE_CODE_CLIENT_VERSION} does not support this model"`
+  );
+});
+
 test("Claude CLI wire versions match the captured 2.1.280 binary", () => {
   assert.equal(canonical.CLAUDE_CODE_CLIENT_VERSION, "2.1.280");
   assert.equal(canonical.CLAUDE_CODE_CLIENT_BUILD_REVISION, "1e2");
@@ -94,10 +103,7 @@ test("Codex client version locksteps Dockerfile @openai/codex", () => {
   assert.equal(codexCfg.DEFAULT_CODEX_CLIENT_VERSION, pinned);
   assert.equal(codexCfg.getCodexClientVersion(), pinned);
   assert.equal(codexCfg.getCodexDefaultHeaders().Version, pinned);
-  assert.equal(
-    codexCfg.getCodexCliRsHeaders()["User-Agent"],
-    `codex_cli_rs/${pinned}`,
-  );
+  assert.equal(codexCfg.getCodexCliRsHeaders()["User-Agent"], `codex_cli_rs/${pinned}`);
 });
 
 test("Codex client version env override still wins", async () => {
@@ -110,7 +116,7 @@ test("Codex client version env override still wins", async () => {
 test("test 7: live-empty GitHub catalog path does not call persist", () => {
   const src = fs.readFileSync(
     path.join(process.cwd(), "src/app/api/providers/[id]/models/route.ts"),
-    "utf8",
+    "utf8"
   );
   // The githubCatalogModels fallback must use buildResponse, not buildApiDiscoveryResponse.
   const idx = src.indexOf("Codex live catalog unavailable — using GitHub model catalog");
@@ -137,16 +143,13 @@ test("Codex client version locksteps Dockerfile @openai/codex and env override",
   assert.equal(codexCfg.DEFAULT_CODEX_CLIENT_VERSION, pinned);
   assert.equal(codexCfg.getCodexClientVersion(), pinned);
   assert.equal(codexCfg.getCodexDefaultHeaders().Version, pinned);
-  assert.equal(
-    codexCfg.getCodexCliRsHeaders()["User-Agent"],
-    `codex_cli_rs/${pinned}`,
-  );
+  assert.equal(codexCfg.getCodexCliRsHeaders()["User-Agent"], `codex_cli_rs/${pinned}`);
 });
 
 test("test 7: live-empty GitHub catalog path does not call persist", () => {
   const src = fs.readFileSync(
     path.join(process.cwd(), "src/app/api/providers/[id]/models/route.ts"),
-    "utf8",
+    "utf8"
   );
   // The githubCatalogModels fallback must use buildResponse, not buildApiDiscoveryResponse.
   const idx = src.indexOf("Codex live catalog unavailable — using GitHub model catalog");