diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index c83b3ac714..4dff85616c 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -2,7 +2,7 @@ import z from "zod"
 import fuzzysort from "fuzzysort"
 import { Config } from "../config/config"
 import { mapValues, mergeDeep, sortBy } from "remeda"
-import { NoSuchModelError, type LanguageModel, type Provider as SDK } from "ai"
+import { NoSuchModelError, type Provider as SDK } from "ai"
 import { Log } from "../util/log"
 import { BunProc } from "../bun"
 import { Plugin } from "../plugin"
diff --git a/packages/opencode/src/session/index.ts b/packages/opencode/src/session/index.ts
index 1e69f7644e..6a148e973a 100644
--- a/packages/opencode/src/session/index.ts
+++ b/packages/opencode/src/session/index.ts
@@ -6,7 +6,7 @@ import { Config } from "../config/config"
 import { Flag } from "../flag/flag"
 import { Identifier } from "../id/id"
 import { Installation } from "../installation"
-import { Share } from "../share/share"
+
 import { Storage } from "../storage/storage"
 import { Log } from "../util/log"
 import { MessageV2 } from "./message-v2"
@@ -15,8 +15,8 @@ import { SessionPrompt } from "./prompt"
 import { fn } from "@/util/fn"
 import { Command } from "../command"
 import { Snapshot } from "@/snapshot"
-import { ShareNext } from "@/share/share-next"
-import { Provider } from "@/provider/provider"
+
+import type { Provider } from "@/provider/provider"
 
 export namespace Session {
   const log = Log.create({ service: "session" })
@@ -223,6 +223,7 @@ export namespace Session {
     }
 
     if (cfg.enterprise?.url) {
+      const { ShareNext } = await import("@/share/share-next")
       const share = await ShareNext.create(id)
       await update(id, (draft) => {
         draft.share = {
@@ -233,6 +234,7 @@ export namespace Session {
 
     const session = await get(id)
     if (session.share) return session.share
+    const { Share } = await import("../share/share")
     const share = await Share.create(id)
     await update(id, (draft) => {
       draft.share = {
@@ -253,6 +255,7 @@ export namespace Session {
   export const unshare = fn(Identifier.schema("session"), async (id) => {
     const cfg = await Config.get()
     if (cfg.enterprise?.url) {
+      const { ShareNext } = await import("@/share/share-next")
       await ShareNext.remove(id)
       await update(id, (draft) => {
         draft.share = undefined
@@ -264,6 +267,7 @@ export namespace Session {
     await update(id, (draft) => {
       draft.share = undefined
     })
+    const { Share } = await import("../share/share")
     await Share.remove(id, share.secret)
   })
 
@@ -389,7 +393,7 @@ export namespace Session {
 
   export const getUsage = fn(
     z.object({
-      model: Provider.Model,
+      model: z.custom<Provider.Model>(),
       usage: z.custom<LanguageModelUsage>(),
       metadata: z.custom<ProviderMetadata>().optional(),
     }),
diff --git a/packages/opencode/test/provider/provider.test.ts b/packages/opencode/test/provider/provider.test.ts
index fa31d9d4f1..103ad7f257 100644
--- a/packages/opencode/test/provider/provider.test.ts
+++ b/packages/opencode/test/provider/provider.test.ts
@@ -132,7 +132,7 @@ test("model whitelist filters models for provider", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["anthropic"]).toBeDefined()
-      const models = Object.keys(providers["anthropic"].info.models)
+      const models = Object.keys(providers["anthropic"].models)
       expect(models).toContain("claude-sonnet-4-20250514")
       expect(models.length).toBe(1)
     },
@@ -163,7 +163,7 @@ test("model blacklist excludes specific models", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["anthropic"]).toBeDefined()
-      const models = Object.keys(providers["anthropic"].info.models)
+      const models = Object.keys(providers["anthropic"].models)
       expect(models).not.toContain("claude-sonnet-4-20250514")
     },
   })
@@ -198,8 +198,8 @@ test("custom model alias via config", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["anthropic"]).toBeDefined()
-      expect(providers["anthropic"].info.models["my-alias"]).toBeDefined()
-      expect(providers["anthropic"].info.models["my-alias"].name).toBe("My Custom Alias")
+      expect(providers["anthropic"].models["my-alias"]).toBeDefined()
+      expect(providers["anthropic"].models["my-alias"].name).toBe("My Custom Alias")
     },
   })
 })
@@ -241,8 +241,8 @@ test("custom provider with npm package", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["custom-provider"]).toBeDefined()
-      expect(providers["custom-provider"].info.name).toBe("Custom Provider")
-      expect(providers["custom-provider"].info.models["custom-model"]).toBeDefined()
+      expect(providers["custom-provider"].name).toBe("Custom Provider")
+      expect(providers["custom-provider"].models["custom-model"]).toBeDefined()
     },
   })
 })
@@ -299,8 +299,9 @@ test("getModel returns model for valid provider/model", async () => {
       const model = await Provider.getModel("anthropic", "claude-sonnet-4-20250514")
       expect(model).toBeDefined()
       expect(model.providerID).toBe("anthropic")
-      expect(model.modelID).toBe("claude-sonnet-4-20250514")
-      expect(model.language).toBeDefined()
+      expect(model.id).toBe("claude-sonnet-4-20250514")
+      const language = await Provider.getLanguage(model)
+      expect(language).toBeDefined()
     },
   })
 })
@@ -478,11 +479,11 @@ test("model cost defaults to zero when not specified", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["test-provider"].info.models["test-model"]
+      const model = providers["test-provider"].models["test-model"]
       expect(model.cost.input).toBe(0)
       expect(model.cost.output).toBe(0)
-      expect(model.cost.cache_read).toBe(0)
-      expect(model.cost.cache_write).toBe(0)
+      expect(model.cost.cache.read).toBe(0)
+      expect(model.cost.cache.write).toBe(0)
     },
   })
 })
@@ -516,7 +517,7 @@ test("model options are merged from existing model", async () => {
     },
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["anthropic"].info.models["claude-sonnet-4-20250514"]
+      const model = providers["anthropic"].models["claude-sonnet-4-20250514"]
       expect(model.options.customOption).toBe("custom-value")
     },
   })
@@ -623,12 +624,12 @@ test("getModel uses realIdByKey for aliased models", async () => {
     },
     fn: async () => {
       const providers = await Provider.list()
-      expect(providers["anthropic"].info.models["my-sonnet"]).toBeDefined()
+      expect(providers["anthropic"].models["my-sonnet"]).toBeDefined()
 
       const model = await Provider.getModel("anthropic", "my-sonnet")
       expect(model).toBeDefined()
-      expect(model.modelID).toBe("my-sonnet")
-      expect(model.info.name).toBe("My Sonnet Alias")
+      expect(model.id).toBe("my-sonnet")
+      expect(model.name).toBe("My Sonnet Alias")
     },
   })
 })
@@ -737,10 +738,10 @@ test("model inherits properties from existing database model", async () => {
     },
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["anthropic"].info.models["claude-sonnet-4-20250514"]
+      const model = providers["anthropic"].models["claude-sonnet-4-20250514"]
       expect(model.name).toBe("Custom Name for Sonnet")
-      expect(model.tool_call).toBe(true)
-      expect(model.attachment).toBe(true)
+      expect(model.capabilities.toolcall).toBe(true)
+      expect(model.capabilities.attachment).toBe(true)
       expect(model.limit.context).toBeGreaterThan(0)
     },
   })
@@ -820,7 +821,7 @@ test("whitelist and blacklist can be combined", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["anthropic"]).toBeDefined()
-      const models = Object.keys(providers["anthropic"].info.models)
+      const models = Object.keys(providers["anthropic"].models)
       expect(models).toContain("claude-sonnet-4-20250514")
       expect(models).not.toContain("claude-opus-4-20250514")
       expect(models.length).toBe(1)
@@ -858,11 +859,9 @@ test("model modalities default correctly", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["test-provider"].info.models["test-model"]
-      expect(model.modalities).toEqual({
-        input: ["text"],
-        output: ["text"],
-      })
+      const model = providers["test-provider"].models["test-model"]
+      expect(model.capabilities.input.text).toBe(true)
+      expect(model.capabilities.output.text).toBe(true)
     },
   })
 })
@@ -903,11 +902,11 @@ test("model with custom cost values", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["test-provider"].info.models["test-model"]
+      const model = providers["test-provider"].models["test-model"]
       expect(model.cost.input).toBe(5)
       expect(model.cost.output).toBe(15)
-      expect(model.cost.cache_read).toBe(2.5)
-      expect(model.cost.cache_write).toBe(7.5)
+      expect(model.cost.cache.read).toBe(2.5)
+      expect(model.cost.cache.write).toBe(7.5)
     },
   })
 })
@@ -931,7 +930,7 @@ test("getSmallModel returns appropriate small model", async () => {
     fn: async () => {
       const model = await Provider.getSmallModel("anthropic")
       expect(model).toBeDefined()
-      expect(model?.modelID).toContain("haiku")
+      expect(model?.id).toContain("haiku")
     },
   })
 })
@@ -957,7 +956,7 @@ test("getSmallModel respects config small_model override", async () => {
       const model = await Provider.getSmallModel("anthropic")
       expect(model).toBeDefined()
       expect(model?.providerID).toBe("anthropic")
-      expect(model?.modelID).toBe("claude-sonnet-4-20250514")
+      expect(model?.id).toBe("claude-sonnet-4-20250514")
     },
   })
 })
@@ -1046,7 +1045,7 @@ test("provider with custom npm package", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["local-llm"]).toBeDefined()
-      expect(providers["local-llm"].info.npm).toBe("@ai-sdk/openai-compatible")
+      expect(providers["local-llm"].models["llama-3"].api.npm).toBe("@ai-sdk/openai-compatible")
       expect(providers["local-llm"].options.baseURL).toBe("http://localhost:11434/v1")
     },
   })
@@ -1082,7 +1081,7 @@ test("model alias name defaults to alias key when id differs", async () => {
     },
     fn: async () => {
       const providers = await Provider.list()
-      expect(providers["anthropic"].info.models["sonnet"].name).toBe("sonnet")
+      expect(providers["anthropic"].models["sonnet"].name).toBe("sonnet")
     },
   })
 })
@@ -1201,7 +1200,7 @@ test("model cost overrides existing cost values", async () => {
     },
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["anthropic"].info.models["claude-sonnet-4-20250514"]
+      const model = providers["anthropic"].models["claude-sonnet-4-20250514"]
       expect(model.cost.input).toBe(999)
       expect(model.cost.output).toBe(888)
     },
@@ -1249,11 +1248,11 @@ test("completely new provider not in database can be configured", async () => {
     fn: async () => {
       const providers = await Provider.list()
       expect(providers["brand-new-provider"]).toBeDefined()
-      expect(providers["brand-new-provider"].info.name).toBe("Brand New")
-      const model = providers["brand-new-provider"].info.models["new-model"]
-      expect(model.reasoning).toBe(true)
-      expect(model.attachment).toBe(true)
-      expect(model.modalities?.input).toContain("image")
+      expect(providers["brand-new-provider"].name).toBe("Brand New")
+      const model = providers["brand-new-provider"].models["new-model"]
+      expect(model.capabilities.reasoning).toBe(true)
+      expect(model.capabilities.attachment).toBe(true)
+      expect(model.capabilities.input.image).toBe(true)
     },
   })
 })
@@ -1322,7 +1321,7 @@ test("model with tool_call false", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      expect(providers["no-tools"].info.models["basic-model"].tool_call).toBe(false)
+      expect(providers["no-tools"].models["basic-model"].capabilities.toolcall).toBe(false)
     },
   })
 })
@@ -1357,7 +1356,7 @@ test("model defaults tool_call to true when not specified", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      expect(providers["default-tools"].info.models["model"].tool_call).toBe(true)
+      expect(providers["default-tools"].models["model"].capabilities.toolcall).toBe(true)
     },
   })
 })
@@ -1396,7 +1395,7 @@ test("model headers are preserved", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["headers-provider"].info.models["model"]
+      const model = providers["headers-provider"].models["model"]
       expect(model.headers).toEqual({
         "X-Custom-Header": "custom-value",
         Authorization: "Bearer special-token",
@@ -1465,8 +1464,8 @@ test("getModel returns consistent results", async () => {
       const model1 = await Provider.getModel("anthropic", "claude-sonnet-4-20250514")
       const model2 = await Provider.getModel("anthropic", "claude-sonnet-4-20250514")
       expect(model1.providerID).toEqual(model2.providerID)
-      expect(model1.modelID).toEqual(model2.modelID)
-      expect(model1.info).toEqual(model2.info)
+      expect(model1.id).toEqual(model2.id)
+      expect(model1).toEqual(model2)
     },
   })
 })
@@ -1501,7 +1500,7 @@ test("provider name defaults to id when not in database", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      expect(providers["my-custom-id"].info.name).toBe("my-custom-id")
+      expect(providers["my-custom-id"].name).toBe("my-custom-id")
     },
   })
 })
@@ -1601,7 +1600,7 @@ test("getProvider returns provider info", async () => {
     fn: async () => {
       const provider = await Provider.getProvider("anthropic")
       expect(provider).toBeDefined()
-      expect(provider?.info.id).toBe("anthropic")
+      expect(provider?.id).toBe("anthropic")
     },
   })
 })
@@ -1684,7 +1683,7 @@ test("model limit defaults to zero when not specified", async () => {
     directory: tmp.path,
     fn: async () => {
       const providers = await Provider.list()
-      const model = providers["no-limit"].info.models["model"]
+      const model = providers["no-limit"].models["model"]
       expect(model.limit.context).toBe(0)
       expect(model.limit.output).toBe(0)
     },