anomalyco · MrMushrooooom · Aug 1, 2026
diff --git a/packages/core/src/models-dev.ts b/packages/core/src/models-dev.ts
@@ -115,7 +115,11 @@ export const Model = Schema.Struct({
   ),
   status: Schema.optional(CatalogModelStatus),
   provider: Schema.optional(
-    Schema.Struct({ npm: Schema.optional(Schema.String), api: Schema.optional(Schema.String) }),
+    Schema.Struct({
+      npm: Schema.optional(Schema.String),
+      api: Schema.optional(Schema.String),
+      shape: Schema.optional(Schema.Literals(["responses", "completions"])),
+    }),
   ),
 })
 export type Model = Schema.Schema.Type<typeof Model>

diff --git a/packages/core/src/plugin/models-dev.ts b/packages/core/src/plugin/models-dev.ts
@@ -84,19 +84,27 @@ function applyModel(
 ) {
   draft.name = input.name ?? model.name
   draft.family = model.family
-  draft.api = model.provider?.npm
-    ? {
-        id: model.id,
-        type: "aisdk",
-        package: model.provider.npm,
-        url: model.provider.api,
-      }
-    : {
-        id: model.id,
-        type: "native",
-        url: model.provider?.api,
-        settings: {},
-      }
+  draft.api =
+    model.provider?.shape === "responses"
+      ? {
+          id: model.id,
+          type: "aisdk",
+          package: "@ai-sdk/openai",
+          url: model.provider.api ?? draft.api.url,
+        }
+      : model.provider?.npm
+        ? {
+            id: model.id,
+            type: "aisdk",
+            package: model.provider.npm,
+            url: model.provider.api,
+          }
+        : {
+            id: model.id,
+            type: "native",
+            url: model.provider?.api,
+            settings: {},
+          }
   draft.capabilities = {
     tools: model.tool_call,
     input: [...(model.modalities?.input ?? [])],

diff --git a/packages/core/src/v1/config/provider.ts b/packages/core/src/v1/config/provider.ts
@@ -62,7 +62,11 @@ export const Model = Schema.Struct({
   experimental: Schema.optional(Schema.Boolean),
   status: Schema.optional(ModelStatus),
   provider: Schema.optional(
-    Schema.Struct({ npm: Schema.optional(Schema.String), api: Schema.optional(Schema.String) }),
+    Schema.Struct({
+      npm: Schema.optional(Schema.String),
+      api: Schema.optional(Schema.String),
+      shape: Schema.optional(Schema.Literals(["responses", "completions"])),
+    }),
   ),
   options: Schema.optional(Schema.Record(Schema.String, Schema.Any)),
   headers: Schema.optional(Schema.Record(Schema.String, Schema.String)),

diff --git a/packages/core/test/plugin/models-dev.test.ts b/packages/core/test/plugin/models-dev.test.ts
@@ -76,6 +76,17 @@ describe("ModelsDevPlugin", () => {
                     },
                   },
                 },
+                "deepseek-v4-flash": {
+                  id: "deepseek-v4-flash",
+                  name: "DeepSeek V4 Flash",
+                  release_date: "2026-07-31",
+                  attachment: false,
+                  reasoning: true,
+                  temperature: true,
+                  tool_call: true,
+                  provider: { shape: "responses" },
+                  limit: { context: 1_000_000, output: 384_000 },
+                },
               },
             },
           } satisfies Record<string, ModelsDev.Provider>),
@@ -92,6 +103,7 @@ describe("ModelsDevPlugin", () => {
       const providerID = ProviderV2.ID.make("acme")
       const base = yield* catalog.model.get(providerID, ModelV2.ID.make("gpt-5.4"))
       const fast = yield* catalog.model.get(providerID, ModelV2.ID.make("gpt-5.4-fast"))
+      const deepseek = yield* catalog.model.get(providerID, ModelV2.ID.make("deepseek-v4-flash"))
 
       expect(base?.variants).toEqual([])
       expect(base?.request.body).toEqual({})
@@ -121,6 +133,12 @@ describe("ModelsDevPlugin", () => {
           cache: { read: 0.5, write: 0 },
         },
       ])
+      expect(deepseek?.api).toMatchObject({
+        id: "deepseek-v4-flash",
+        type: "aisdk",
+        package: "@ai-sdk/openai",
+        url: "https://api.acme.test/v1",
+      })
     }),
   )
 

diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
@@ -1218,7 +1218,10 @@ function fromModelsDevModel(provider: ModelsDev.Provider, model: ModelsDev.Model
     api: {
       id: model.id,
       url: model.provider?.api ?? provider.api ?? "",
-      npm: model.provider?.npm ?? provider.npm ?? "@ai-sdk/openai-compatible",
+      npm:
+        model.provider?.shape === "responses"
+          ? "@ai-sdk/openai"
+          : (model.provider?.npm ?? provider.npm ?? "@ai-sdk/openai-compatible"),
     },
     status: model.status ?? "active",
     headers: {},
@@ -1437,11 +1440,13 @@ const layer = Layer.effect(
             const existingModel = parsed.models[model.id ?? modelID]
             const apiID = model.id ?? existingModel?.api.id ?? modelID
             const apiNpm =
-              model.provider?.npm ??
-              provider.npm ??
-              existingModel?.api.npm ??
-              modelsDev[providerID]?.npm ??
-              "@ai-sdk/openai-compatible"
+              model.provider?.shape === "responses"
+                ? "@ai-sdk/openai"
+                : (model.provider?.npm ??
+                  provider.npm ??
+                  existingModel?.api.npm ??
+                  modelsDev[providerID]?.npm ??
+                  "@ai-sdk/openai-compatible")
             const name = iife(() => {
               if (model.name) return model.name
               if (model.id && model.id !== modelID) return modelID

diff --git a/packages/opencode/test/provider/provider.test.ts b/packages/opencode/test/provider/provider.test.ts
@@ -1483,6 +1483,36 @@ test("models.dev normalization fills required response fields", () => {
   expect(model.release_date).toBe("")
 })
 
+test("models.dev response-shaped models use the OpenAI Responses provider", () => {
+  const provider = {
+    id: "deepseek",
+    name: "DeepSeek",
+    env: [],
+    npm: "@ai-sdk/openai-compatible",
+    api: "https://api.deepseek.com",
+    models: {
+      "deepseek-v4-flash": {
+        id: "deepseek-v4-flash",
+        name: "DeepSeek V4 Flash",
+        provider: { shape: "responses" },
+        limit: { context: 1_000_000, output: 384_000 },
+      },
+      "deepseek-v4-pro": {
+        id: "deepseek-v4-pro",
+        name: "DeepSeek V4 Pro",
+        limit: { context: 1_000_000, output: 384_000 },
+      },
+    },
+  } as unknown as ModelsDev.Provider
+
+  const models = Provider.fromModelsDevProvider(provider).models
+  expect(models["deepseek-v4-flash"].api).toMatchObject({
+    npm: "@ai-sdk/openai",
+    url: "https://api.deepseek.com",
+  })
+  expect(models["deepseek-v4-pro"].api.npm).toBe("@ai-sdk/openai-compatible")
+})
+
 test("models.dev reasoning options replace generated variants and unsupported toggles fall back", () => {
   const provider = {
     id: "reasoning",

diff --git a/packages/web/src/content/docs/ar/go.mdx b/packages/web/src/content/docs/ar/go.mdx
@@ -189,7 +189,7 @@ OpenCode Go هو اشتراك منخفض التكلفة — **$5 للشهر ال
 | Kimi K2.7 Code    | kimi-k2.7-code    | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | Kimi K2.6         | kimi-k2.6         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | DeepSeek V4 Pro   | deepseek-v4-pro   | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/responses` | `@ai-sdk/openai` |
 | MiMo-V2.5         | mimo-v2.5         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiMo-V2.5-Pro     | mimo-v2.5-pro     | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiniMax M3        | minimax-m3        | `https://opencode.ai/zen/go/v1/messages`         | `@ai-sdk/anthropic`         |

diff --git a/packages/web/src/content/docs/ar/zen.mdx b/packages/web/src/content/docs/ar/zen.mdx
@@ -97,7 +97,7 @@ OpenCode Zen هي بوابة AI تتيح لك الوصول إلى هذه الن
 | Qwen3.6 Plus           | qwen3.6-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | Qwen3.5 Plus           | qwen3.5-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | DeepSeek V4 Pro        | deepseek-v4-pro        | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 | MiniMax M3             | minimax-m3             | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.7           | minimax-m2.7           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.5           | minimax-m2.5           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
@@ -114,7 +114,7 @@ OpenCode Zen هي بوابة AI تتيح لك الوصول إلى هذه الن
 | Ling-3.0-flash Free    | ling-3.0-flash-free    | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | North Mini Code Free   | north-mini-code-free   | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | Nemotron 3 Ultra Free  | nemotron-3-ultra-free  | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 
 يستخدم [معرّف النموذج](/docs/config/#models) في إعدادات OpenCode الصيغة `opencode/<model-id>`. على سبيل المثال، بالنسبة إلى GPT 5.5، ستستخدم `opencode/gpt-5.5` في إعداداتك.
 

diff --git a/packages/web/src/content/docs/bs/go.mdx b/packages/web/src/content/docs/bs/go.mdx
@@ -201,7 +201,7 @@ Također možete pristupiti Go modelima putem sljedećih API endpointa.
 | Kimi K2.7 Code    | kimi-k2.7-code    | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | Kimi K2.6         | kimi-k2.6         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | DeepSeek V4 Pro   | deepseek-v4-pro   | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/responses` | `@ai-sdk/openai` |
 | MiMo-V2.5         | mimo-v2.5         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiMo-V2.5-Pro     | mimo-v2.5-pro     | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiniMax M3        | minimax-m3        | `https://opencode.ai/zen/go/v1/messages`         | `@ai-sdk/anthropic`         |

diff --git a/packages/web/src/content/docs/bs/zen.mdx b/packages/web/src/content/docs/bs/zen.mdx
@@ -102,7 +102,7 @@ Našim modelima možete pristupiti i preko sljedećih API endpointa.
 | Qwen3.6 Plus           | qwen3.6-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | Qwen3.5 Plus           | qwen3.5-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | DeepSeek V4 Pro        | deepseek-v4-pro        | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 | MiniMax M3             | minimax-m3             | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.7           | minimax-m2.7           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.5           | minimax-m2.5           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
@@ -119,7 +119,7 @@ Našim modelima možete pristupiti i preko sljedećih API endpointa.
 | Ling-3.0-flash Free    | ling-3.0-flash-free    | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | North Mini Code Free   | north-mini-code-free   | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | Nemotron 3 Ultra Free  | nemotron-3-ultra-free  | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 
 [model id](/docs/config/#models) u vašoj OpenCode konfiguraciji koristi format
 `opencode/<model-id>`. Na primjer, za GPT 5.5 u konfiguraciji biste

diff --git a/packages/web/src/content/docs/da/go.mdx b/packages/web/src/content/docs/da/go.mdx
@@ -201,7 +201,7 @@ Du kan også få adgang til Go-modeller gennem følgende API-endpoints.
 | Kimi K2.7 Code    | kimi-k2.7-code    | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | Kimi K2.6         | kimi-k2.6         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | DeepSeek V4 Pro   | deepseek-v4-pro   | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/responses` | `@ai-sdk/openai` |
 | MiMo-V2.5         | mimo-v2.5         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiMo-V2.5-Pro     | mimo-v2.5-pro     | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiniMax M3        | minimax-m3        | `https://opencode.ai/zen/go/v1/messages`         | `@ai-sdk/anthropic`         |

diff --git a/packages/web/src/content/docs/da/zen.mdx b/packages/web/src/content/docs/da/zen.mdx
@@ -102,7 +102,7 @@ Du kan også få adgang til vores modeller gennem følgende API-endpoints.
 | Qwen3.6 Plus           | qwen3.6-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | Qwen3.5 Plus           | qwen3.5-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | DeepSeek V4 Pro        | deepseek-v4-pro        | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 | MiniMax M3             | minimax-m3             | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.7           | minimax-m2.7           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.5           | minimax-m2.5           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
@@ -119,7 +119,7 @@ Du kan også få adgang til vores modeller gennem følgende API-endpoints.
 | Ling-3.0-flash Free    | ling-3.0-flash-free    | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | North Mini Code Free   | north-mini-code-free   | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | Nemotron 3 Ultra Free  | nemotron-3-ultra-free  | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 
 [model id](/docs/config/#models) i din OpenCode-konfiguration
 bruger formatet `opencode/<model-id>`. For eksempel ville du for GPT 5.5

diff --git a/packages/web/src/content/docs/de/go.mdx b/packages/web/src/content/docs/de/go.mdx
@@ -191,7 +191,7 @@ Du kannst auf die Go-Modelle auch über die folgenden API-Endpunkte zugreifen.
 | Kimi K2.7 Code    | kimi-k2.7-code    | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | Kimi K2.6         | kimi-k2.6         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | DeepSeek V4 Pro   | deepseek-v4-pro   | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash | deepseek-v4-flash | `https://opencode.ai/zen/go/v1/responses` | `@ai-sdk/openai` |
 | MiMo-V2.5         | mimo-v2.5         | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiMo-V2.5-Pro     | mimo-v2.5-pro     | `https://opencode.ai/zen/go/v1/chat/completions` | `@ai-sdk/openai-compatible` |
 | MiniMax M3        | minimax-m3        | `https://opencode.ai/zen/go/v1/messages`         | `@ai-sdk/anthropic`         |

diff --git a/packages/web/src/content/docs/de/zen.mdx b/packages/web/src/content/docs/de/zen.mdx
@@ -93,7 +93,7 @@ Du kannst auch über die folgenden API-Endpunkte auf unsere Modelle zugreifen.
 | Qwen3.6 Plus           | qwen3.6-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | Qwen3.5 Plus           | qwen3.5-plus           | `https://opencode.ai/zen/v1/messages`                     | `@ai-sdk/anthropic`         |
 | DeepSeek V4 Pro        | deepseek-v4-pro        | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash      | deepseek-v4-flash      | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 | MiniMax M3             | minimax-m3             | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.7           | minimax-m2.7           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | MiniMax M2.5           | minimax-m2.5           | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
@@ -110,7 +110,7 @@ Du kannst auch über die folgenden API-Endpunkte auf unsere Modelle zugreifen.
 | Ling-3.0-flash Free    | ling-3.0-flash-free    | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | North Mini Code Free   | north-mini-code-free   | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
 | Nemotron 3 Ultra Free  | nemotron-3-ultra-free  | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
-| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/chat/completions`             | `@ai-sdk/openai-compatible` |
+| DeepSeek V4 Flash Free | deepseek-v4-flash-free | `https://opencode.ai/zen/v1/responses`                    | `@ai-sdk/openai`            |
 
 Die [Model-ID](/docs/config/#models) in deiner OpenCode-Konfiguration verwendet das Format `opencode/<model-id>`. Für GPT 5.5 würdest du zum Beispiel `opencode/gpt-5.5` in deiner Konfiguration verwenden.