chore (provider): refactor usage (language model v2) (#5653)

Author: lgrammel

.changeset/gentle-gorillas-mate.md

@@ -0,0 +1,5 @@
+---
+'@ai-sdk/provider': major
+---
+
+chore (provider): refactor usage (language model v2)

content/docs/03-ai-sdk-core/55-testing.mdx

@@ -35,7 +35,7 @@ const result = await generateText({
   model: new MockLanguageModelV1({
     doGenerate: async () => ({
       finishReason: 'stop',
-      usage: { promptTokens: 10, completionTokens: 20 },
+      usage: { inputTokens: 10, outputTokens: 20 },
       text: `Hello, world!`,
     }),
   }),
@@ -61,7 +61,7 @@ const result = streamText({
             type: 'finish',
             finishReason: 'stop',
             logprobs: undefined,
-            usage: { completionTokens: 10, promptTokens: 3 },
+            usage: { inputTokens: 3, outputTokens: 10 },
           },
         ],
       }),
@@ -83,7 +83,7 @@ const result = await generateObject({
     defaultObjectGenerationMode: 'json',
     doGenerate: async () => ({
       finishReason: 'stop',
-      usage: { promptTokens: 10, completionTokens: 20 },
+      usage: { inputTokens: 10, outputTokens: 20 },
       text: `{"content":"Hello, world!"}`,
     }),
   }),
@@ -115,7 +115,7 @@ const result = streamObject({
             type: 'finish',
             finishReason: 'stop',
             logprobs: undefined,
-            usage: { completionTokens: 10, promptTokens: 3 },
+            usage: { inputTokens: 3, outputTokens: 10 },
           },
         ],
       }),

examples/ai-core/src/generate-object/mock-error.ts

@@ -15,7 +15,7 @@ async function main() {
             modelId: 'model-1',
           },
           finishReason: 'stop',
-          usage: { promptTokens: 10, completionTokens: 20 },
+          usage: { inputTokens: 10, outputTokens: 20 },
           text: `{"content":"Hello broken json`,
         }),
       }),

examples/ai-core/src/generate-object/mock-repair-add-close.ts

@@ -7,7 +7,7 @@ async function main() {
   const result = await generateObject({
     model: new MockLanguageModelV2({
       doGenerate: async () => ({
-        usage: { promptTokens: 10, completionTokens: 20 },
+        usage: { inputTokens: 10, outputTokens: 20 },
         finishReason: 'tool-calls',
         text: `{ "content": "provider metadata test"`,
       }),

examples/ai-core/src/generate-object/mock.ts

@@ -10,7 +10,7 @@ async function main() {
       doGenerate: async () => ({
         text: `{"content":"Hello, world!"}`,
         finishReason: 'stop',
-        usage: { promptTokens: 10, completionTokens: 20 },
+        usage: { inputTokens: 10, outputTokens: 20 },
       }),
     }),
     schema: z.object({ content: z.string() }),

examples/ai-core/src/generate-text/mock-tool-call-repair-reask.ts

@@ -8,7 +8,7 @@ async function main() {
   const result = await generateText({
     model: new MockLanguageModelV2({
       doGenerate: async () => ({
-        usage: { promptTokens: 10, completionTokens: 20 },
+        usage: { inputTokens: 10, outputTokens: 20 },
         finishReason: 'tool-calls',
         toolCalls: [
           {

examples/ai-core/src/generate-text/mock-tool-call-repair-structured-model.ts

@@ -8,7 +8,7 @@ async function main() {
   const result = await generateText({
     model: new MockLanguageModelV2({
       doGenerate: async () => ({
-        usage: { promptTokens: 10, completionTokens: 20 },
+        usage: { inputTokens: 10, outputTokens: 20 },
         finishReason: 'tool-calls',
         toolCalls: [
           {

examples/ai-core/src/generate-text/mock.ts

@@ -8,7 +8,7 @@ async function main() {
       doGenerate: async () => ({
         text: `Hello, world!`,
         finishReason: 'stop',
-        usage: { promptTokens: 10, completionTokens: 20 },
+        usage: { inputTokens: 10, outputTokens: 20 },
       }),
     }),
     prompt: 'Hello, test!',

examples/ai-core/src/stream-object/mock.ts

@@ -19,7 +19,7 @@ async function main() {
             type: 'finish',
             finishReason: 'stop',
             logprobs: undefined,
-            usage: { completionTokens: 10, promptTokens: 3 },
+            usage: { inputTokens: 3, outputTokens: 10 },
           },
         ]),
       }),

examples/ai-core/src/stream-text/mock.ts

@@ -14,7 +14,7 @@ async function main() {
             type: 'finish',
             finishReason: 'stop',
             logprobs: undefined,
-            usage: { completionTokens: 10, promptTokens: 3 },
+            usage: { inputTokens: 3, outputTokens: 10 },
           },
         ]),
       }),