import base64 import json import uuid import quickjs from curl_cffi import requests from ..typing import Any, CreateResult, TypedDict from .base_provider import BaseProvider class Vercel(BaseProvider): url = "https://play.vercel.ai" working = True supports_gpt_35_turbo = True @staticmethod def create_completion( model: str, messages: list[dict[str, str]], stream: bool, **kwargs: Any, ) -> CreateResult: if model in ["gpt-3.5-turbo", "gpt-4"]: model = "openai:" + model yield _chat(model_id=model, messages=messages) def _chat(model_id: str, messages: list[dict[str, str]]) -> str: session = requests.Session(impersonate="chrome107") url = "https://sdk.vercel.ai/api/generate" header = _create_header(session) payload = _create_payload(model_id, messages) response = session.post(url=url, headers=header, json=payload) response.raise_for_status() return response.text def _create_payload(model_id: str, messages: list[dict[str, str]]) -> dict[str, Any]: default_params = model_info[model_id]["default_params"] return { "messages": messages, "playgroundId": str(uuid.uuid4()), "chatIndex": 0, "model": model_id, } | default_params def _create_header(session: requests.Session): custom_encoding = _get_custom_encoding(session) return {"custom-encoding": custom_encoding} # based on https://github.com/ading2210/vercel-llm-api def _get_custom_encoding(session: requests.Session): url = "https://sdk.vercel.ai/openai.jpeg" response = session.get(url=url) data = json.loads(base64.b64decode(response.text, validate=True)) script = """ String.prototype.fontcolor = function() {{ return `${{this}}` }} var globalThis = {{marker: "mark"}}; ({script})({key}) """.format( script=data["c"], key=data["a"] ) context = quickjs.Context() # type: ignore token_data = json.loads(context.eval(script).json()) # type: ignore token_data[2] = "mark" token = {"r": token_data, "t": data["t"]} token_str = json.dumps(token, separators=(",", ":")).encode("utf-16le") return base64.b64encode(token_str).decode() class ModelInfo(TypedDict): id: str default_params: dict[str, Any] model_info: dict[str, ModelInfo] = { "anthropic:claude-instant-v1": { "id": "anthropic:claude-instant-v1", "default_params": { "temperature": 1, "maxTokens": 200, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": ["\n\nHuman:"], }, }, "anthropic:claude-v1": { "id": "anthropic:claude-v1", "default_params": { "temperature": 1, "maxTokens": 200, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": ["\n\nHuman:"], }, }, "anthropic:claude-v2": { "id": "anthropic:claude-v2", "default_params": { "temperature": 1, "maxTokens": 200, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": ["\n\nHuman:"], }, }, "replicate:a16z-infra/llama7b-v2-chat": { "id": "replicate:a16z-infra/llama7b-v2-chat", "default_params": { "temperature": 0.75, "maxTokens": 500, "topP": 1, "repetitionPenalty": 1, }, }, "replicate:a16z-infra/llama13b-v2-chat": { "id": "replicate:a16z-infra/llama13b-v2-chat", "default_params": { "temperature": 0.75, "maxTokens": 500, "topP": 1, "repetitionPenalty": 1, }, }, "huggingface:bigscience/bloom": { "id": "huggingface:bigscience/bloom", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 0.95, "topK": 4, "repetitionPenalty": 1.03, }, }, "huggingface:google/flan-t5-xxl": { "id": "huggingface:google/flan-t5-xxl", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 0.95, "topK": 4, "repetitionPenalty": 1.03, }, }, "huggingface:EleutherAI/gpt-neox-20b": { "id": "huggingface:EleutherAI/gpt-neox-20b", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 0.95, "topK": 4, "repetitionPenalty": 1.03, "stopSequences": [], }, }, "huggingface:OpenAssistant/oasst-sft-4-pythia-12b-epoch-3.5": { "id": "huggingface:OpenAssistant/oasst-sft-4-pythia-12b-epoch-3.5", "default_params": {"maxTokens": 200, "typicalP": 0.2, "repetitionPenalty": 1}, }, "huggingface:OpenAssistant/oasst-sft-1-pythia-12b": { "id": "huggingface:OpenAssistant/oasst-sft-1-pythia-12b", "default_params": {"maxTokens": 200, "typicalP": 0.2, "repetitionPenalty": 1}, }, "huggingface:bigcode/santacoder": { "id": "huggingface:bigcode/santacoder", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 0.95, "topK": 4, "repetitionPenalty": 1.03, }, }, "cohere:command-light-nightly": { "id": "cohere:command-light-nightly", "default_params": { "temperature": 0.9, "maxTokens": 200, "topP": 1, "topK": 0, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "cohere:command-nightly": { "id": "cohere:command-nightly", "default_params": { "temperature": 0.9, "maxTokens": 200, "topP": 1, "topK": 0, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:gpt-4": { "id": "openai:gpt-4", "default_params": { "temperature": 0.7, "maxTokens": 500, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:gpt-4-0613": { "id": "openai:gpt-4-0613", "default_params": { "temperature": 0.7, "maxTokens": 500, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:code-davinci-002": { "id": "openai:code-davinci-002", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:gpt-3.5-turbo": { "id": "openai:gpt-3.5-turbo", "default_params": { "temperature": 0.7, "maxTokens": 500, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": [], }, }, "openai:gpt-3.5-turbo-16k": { "id": "openai:gpt-3.5-turbo-16k", "default_params": { "temperature": 0.7, "maxTokens": 500, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": [], }, }, "openai:gpt-3.5-turbo-16k-0613": { "id": "openai:gpt-3.5-turbo-16k-0613", "default_params": { "temperature": 0.7, "maxTokens": 500, "topP": 1, "topK": 1, "presencePenalty": 1, "frequencyPenalty": 1, "stopSequences": [], }, }, "openai:text-ada-001": { "id": "openai:text-ada-001", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:text-babbage-001": { "id": "openai:text-babbage-001", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:text-curie-001": { "id": "openai:text-curie-001", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:text-davinci-002": { "id": "openai:text-davinci-002", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, "openai:text-davinci-003": { "id": "openai:text-davinci-003", "default_params": { "temperature": 0.5, "maxTokens": 200, "topP": 1, "presencePenalty": 0, "frequencyPenalty": 0, "stopSequences": [], }, }, }