Gpt 3.5 Turbo 16k API

Run openai/gpt-3.5-turbo-16k through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

Gpt 3.5 Turbo 16k pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
Input$3.15
Output$4.20
Availability

Served by 1 provider

Requests route to OpenRouter by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
openrouter openai/gpt-3.5-turbo-16k
Quickstart

Call Gpt 3.5 Turbo 16k in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="openai/gpt-3.5-turbo-16k",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-3.5-turbo-16k",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

Gpt 3.5 Turbo 16k — common questions

How much does the openai/gpt-3.5-turbo-16k API cost?

On FastInfra, openai/gpt-3.5-turbo-16k costs $3.15/1M input, $4.2/1M output tokens. Billing is per token used, with no subscription.

Is openai/gpt-3.5-turbo-16k compatible with the OpenAI SDK?

Yes. FastInfra exposes openai/gpt-3.5-turbo-16k through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve openai/gpt-3.5-turbo-16k?

openai/gpt-3.5-turbo-16k is available from 1 provider(s): openrouter. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.