GPT: gpt-3.5-turbo

gpt-3.5-turbo

Legacy GPT model for cheaper chat

text → text

Modalities

In / Out Price

40% off

$0.3/ 1M

~~$0.5~~ Official price

$0.9/ 1M

~~$1.5~~ Official price

16.385K

Context

Sep 21, 2026

Released

Providers

This model is hosted by one provider. Requests are forwarded to it directly, with no routing decisions to make.

Provider	Input /M	Output /M	Context	Latency	Throughput	Uptime
OpenAI	$0.340% off ~~$0.5~~ Official price	$0.940% off ~~$1.5~~ Official price	16.385K	—	—	—

Call this model in three steps.

Get your API key

Create a key and set your API key and base URL as environment variables.

Create API Key

Environment

export UNIROUTER_API_KEY="<YOUR_API_KEY>"
export UNIROUTER_BASE_URL="https://api.tokatlas.com/v1"

Choose a request format

Choose the format supported by your selected route.

Make your first request

Model ID: gpt-3.5-turbo

from openai import OpenAI

client = OpenAI(
    base_url="https://api.tokatlas.com/v1",
    api_key="<YOUR_API_KEY>",
)
response = client.chat.completions.create(**{
    "model": "gpt-3.5-turbo",
    "messages": [
        {
            "role": "user",
            "content": "Explain quantum entanglement."
        }
    ],
    "temperature": 0.7
})

print(response)

Endpoint

Creates a model response for the given chat conversation.

POST: https://api.tokatlas.com/v1/chat/completions
Authorization: Bearer $UNIROUTER_API_KEY
Content-Type: application/json