OpenRouter: GPT-3.5 Turbo

Name: GPT-3.5 Turbo API
Brand: Openai

stable

GPT-3.5 Turbo is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

openai-gpt-3.5-turbogpt-3.5released Mar 1, 2023

Provider Quick start

Context

16.4K

tokens

Max output

4.1K

tokens

Input

$0.50

per 1M

Output

$1.50

per 1M

Activity

Daily period usage

Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M

Pricing

Item	Price	Unit
Input	$0.50	per 1M tokens
Output	$1.50	per 1M tokens

Performance

Reliability

Compare

Compare usage and performance

Place this model beside up to three other catalog models.

Capabilities

Modalities

Input

Output

Details

Model ID: openai-gpt-3.5-turbo
Family: gpt-3.5
Status: stable
Knowledge: -
Released: Mar 1, 2023

Gateway Config

API: 2024-01-01
Auth: OPENROUTER_API_KEY
Discovery: dynamic
Provider type: meta

Quick Start

index.ts

import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@openrouter/openai-gpt-3.5-turbo",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL

https://openrouter.ai/api/v1

Chat completions

https://openrouter.ai/api/v1/chat/completions

Model

openai-gpt-3.5-turbo

Auth env

OPENROUTER_API_KEY

GPT-3.5 Turbo FAQ

How much does the GPT-3.5 Turbo API cost?

Through OpenRouter, GPT-3.5 Turbo costs $0.50 per 1M input tokens and $1.50 per 1M output tokens.

What is the context window of GPT-3.5 Turbo?

GPT-3.5 Turbo accepts up to 16.4K tokens of context and returns up to 4.1K output tokens on OpenRouter.

Which providers offer GPT-3.5 Turbo?

GPT-3.5 Turbo is available from OpenAI and OpenRouter. Everstack can route between them with automatic fallback when one is unavailable.

What can GPT-3.5 Turbo do?

GPT-3.5 Turbo supports chat and function calling. It accepts text input.

How do I call GPT-3.5 Turbo through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @openrouter/openai-gpt-3.5-turbo. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.