GPT-3.5-turbo

OpenAI
openai/gpt-3.5-turboClosed API

Compact GPT model for low-latency assistance and high-volume workloads

Benchmark Pricing$0.50 / 1M in$1.50 / 1M out$0.00 cache read
Context: 16,385 tokens•Max Output: 4,096 tokens•Knowledge: 2021-09-01•Released: 2023-03-01

TECHNICAL SPECIFICATIONS

Context Window16,38516.4K tokens
Max Output4,0964.1K tokens
LicenseProprietaryCloud API only
Input Modalities
Text
Function / Tool CallingNot Supported
Structured OutputsPrompt Based

MODEL CONTEXT PROTOCOL (MCP) READINESS

⚠ GPT-3.5-turbo does not natively advertise tool-calling capabilities. When connecting to MCP servers, function calling must be handled via structured prompt injection.

MCP Context Window Recommendations

With a context capacity of 16,385 tokens, this model can handle compact tool sets. Consider keeping MCP server tool manifests minimal to preserve headroom.

STANDARDIZED BENCHMARKS & EVALS

Artificial Analysis Coding Indexindex
10.7

API CALL INVOCATION EXAMPLE

// Example: Calling GPT-3.5-turbo via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.OPENAI_API_KEY,
});

const response = await client.chat.completions.create({
  model: "openai/gpt-3.5-turbo",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);

PRICING BY PROVIDER

15 providers
OpenAIgpt-3.5-turbo
$0.50 / $1.50$0.00 cache
NanoGPTopenai/gpt-3.5-turbo
$0.50 / $1.50
LLM Gatewayopenai/gpt-3.5-turbo
$0.50 / $1.50
Poeopenai/gpt-3.5-turbo-raw
$0.45 / $1.40
AI/ML APIopenai/gpt-3.5-turbo
$0.65 / $1.95
Vercel AI Gatewayopenai/gpt-3.5-turbo
$0.50 / $1.50
Eden AIopenai/gpt-3.5-turbo
$0.50 / $1.50
Merge Gatewayopenai/gpt-3.5-turbo
$0.50 / $1.50
Azure Cognitive Servicesgpt-3.5-turbo-0125
$0.50 / $1.50
Kilo Gatewayopenai/gpt-3.5-turbo
$0.50 / $1.50
DevPass (LLM Gateway)gpt-3.5-turbo
$0.50 / $1.50$0.00 cache
Azuregpt-3.5-turbo-0125
$0.50 / $1.50
Impossiblopenai/gpt-3.5-turbo
$0.50 / $1.50
OpenRouteropenai/gpt-3.5-turbo
$0.50 / $1.50
OrcaRouteropenai/gpt-3.5-turbo
$0.50 / $1.50$0.00 cache

Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.

Prompt Caching Active

This model supports prompt caching at $0.00 / 1M tokens, saving up to 100% on repetitive MCP tool definitions and system instructions.

MODEL RESOURCES