Skicka förfrågningar till OpenAI API

Arbeta med OpenAI API

James Chapman

Curriculum Manager, DataCamp

API-endpoints

En dator som ansluter till OpenAI via flera åtkomstpunkter, som i sin tur är kopplade till olika servrar.

API-endpoints

En dator som ansluter till OpenAI via flera endpoints, som i sin tur är kopplade till olika servrar.

API-endpoints

Endpoints → API-åtkomstpunkt för specifika interaktioner

En sjukhuskorridor med dörrar till olika avdelningar.

API-autentisering

Autentisering → Åtkomstkontroll till API-endpointtjänster (ofta en unik nyckel)

En sjukhuskorridor med dörrar till olika avdelningar.

API-användningskostnader

För OpenAI API:
- Modell
- Större indata + utdata = Högre kostnad

Inga extra kostnader i den här kursen 🎉

En betalväg.

¹ https://openai.com/pricing

Skapa en API-nyckel

Krävs inte i den här kursen

Skapa ett konto → https://platform.openai.com/signup
Gå till API-nyckelsidan → https://platform.openai.com/account/api-keys
Skapa en ny hemlig nyckel och kopiera den

Knappen för att skapa en ny hemlig nyckel.

Skicka en förfrågan

from openai import OpenAI


client = OpenAI(api_key="ENTER YOUR KEY HERE")


response = client.chat.completions.create(

    model="gpt-4o-mini",

    messages=[{"role": "user", "content": "What is the OpenAI API?"}]

)


print(response)

Svaret

ChatCompletion(id='chatcmpl-AEcQbQekIzxcxVAKYVAjgUAXokgrl', choices=[Choice(finish_reason='length', index=0,
logprobs=None, message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
OpenAI that allows developers to integrate advanced AI models into their applications.', refusal=None,
role='assistant', function_call=None, tool_calls=None))], created=1728047673, model='gpt-4o-mini-2024-07-18',
object='chat.completion', service_tier=None, system_fingerprint='fp_f85bea6784',
usage=CompletionUsage(completion_tokens=30, prompt_tokens=14, total_tokens=44,
prompt_tokens_details={'cached_tokens': 0}, completion_tokens_details={'reasoning_tokens': 0}))

Svaret

ChatCompletion(id='chatcmpl-AEcQbQekIzxcxVAKYVAjgUAXokgrl',
               choices=[Choice(finish_reason='length', index=0, logprobs=None,
                               message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service
                               provided by OpenAI that allows developers to integrate advanced AI models
                               into their applications.',
                               refusal=None, role='assistant', function_call=None, tool_calls=None))],
               created=1728047673,
               model='gpt-4o-mini-2024-07-18',
               object='chat.completion', service_tier=None, system_fingerprint='fp_f85bea6784',
               usage=CompletionUsage(completion_tokens=25, prompt_tokens=14, total_tokens=39,
                                     prompt_tokens_details={'cached_tokens': 0},
                                     completion_tokens_details={'reasoning_tokens': 0}))

Tolka svaret

print(response.choices)

[Choice(finish_reason='length', index=0, logprobs=None,
 message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
 OpenAI that allows developers to integrate advanced AI models into their applications.',
 refusal=None, role='assistant', function_call=None, tool_calls=None))]

Tolka svaret

print(response.choices[0])

Choice(finish_reason='length', index=0, logprobs=None,
 message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
 OpenAI that allows developers to integrate advanced AI models into their applications.',
 refusal=None, role='assistant', function_call=None, tool_calls=None))

Tolka svaret

print(response.choices[0].message)

ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
 OpenAI that allows developers to integrate advanced AI models into their applications.',
 refusal=None, role='assistant', function_call=None, tool_calls=None)

print(response.choices[0].message.content)

The OpenAI API is a cloud-based service provided by OpenAI that allows developers to
integrate advanced AI models into their applications.

Nu kör vi en övning!

Arbeta med OpenAI API