Comments (5)
Currently not supported.
Anthropic now supports https://docs.anthropic.com/en/api/messages-streaming#input-json-delta which could be used.
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Right now it is. I'll look into supporting input-json-delta (it was not available when the provider was first implemented)
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Example with delay that shows the tool call is streamed:
import { anthropic } from '@ai-sdk/anthropic';
import { streamObject } from 'ai';
import dotenv from 'dotenv';
import { z } from 'zod';
dotenv.config();
async function main() {
const result = await streamObject({
model: anthropic('claude-3-5-sonnet-20240620'),
maxTokens: 2000,
schema: z.object({
characters: z.array(
z.object({
name: z.string(),
class: z
.string()
.describe('Character class, e.g. warrior, mage, or thief.'),
description: z.string(),
}),
),
}),
prompt:
'Generate 3 character descriptions for a fantasy role playing game.',
});
for await (const partialObject of result.partialObjectStream) {
// delay 50 ms to simulate processing time:
await new Promise(resolve => setTimeout(resolve, 50));
console.clear();
console.log(partialObject);
}
}
main().catch(console.error);
from ai.
Thanks for the fast reply! For extra context, throwing in mode: "json"
does trigger an error on the anthropic provider, but leaving out that line, in the end, still returns an object. I guess that's expected bevahiour.
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I just checked and it is supported in the AI SDK: https://github.com/vercel/ai/blob/main/packages/anthropic/src/anthropic-messages-language-model.ts#L323
However, Anthropic waits and then streams all deltas really quickly, giving the impression that it only provides a full object.
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Related Issues (20)
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