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OpenAI: GPT-3.5 Turbo 16k

by OpenAI

This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up to Sep 2021.

Avg Score

48.2%

17 answers

Avg Latency

4.2s

13 runs

Pricing

$3.00

input

/

$4.00

output

per 1M tokens

Context

16K

tokens

Alternatives

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No alternatives found

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Other Models from OpenAI

Compare performance with other models from the same creator

ModelScoreLatencyCost/1M
OpenAI: o1-pro94.2%95.3s$375.00
OpenAI: GPT-5.1-Codex-Max93.5%25.2s$5.63
OpenAI: GPT-592.2%54.7s$5.63
OpenAI: GPT-5 Image90.9%49.2s$10.00
OpenAI: GPT-5.1 Chat90.6%6.1s$5.63
OpenAI: GPT-5.1-Codex90.6%16.6s$5.63
OpenAI: GPT-5.1-Codex-Mini90.6%12.6s$1.13
OpenAI: GPT-5.190.3%35.5s$5.63
OpenAI: o390.3%19.0s$5.00
OpenAI: gpt-oss-120b90.0%28.3s$0.11
OpenAI: o4 Mini Deep Research89.7%134.5s$5.00
OpenAI: GPT-5 Pro89.4%332.1s$67.50
OpenAI: GPT-5 Image Mini89.3%31.8s$2.25
OpenAI: GPT-4o Search Preview89.3%11.2s$6.25
OpenAI: GPT-4.189.2%21.8s$5.00
OpenAI: gpt-oss-safeguard-20b88.4%2.3s$0.19
OpenAI: o188.3%24.1s$37.50
OpenAI: GPT-5.287.8%20.7s$7.88
OpenAI: o3 Pro87.6%125.7s$50.00
OpenAI: GPT-5.2-Codex87.2%21.7s$7.88
OpenAI: GPT-5 Codex87.2%20.5s$5.63
OpenAI: GPT-5.2 Pro86.9%47.7s$94.50
OpenAI: o3 Deep Research86.5%362.7s$25.00
OpenAI: GPT-5.2 Chat86.4%9.5s$7.88
OpenAI: GPT-5 Chat86.2%6.8s$5.63
OpenAI: o4 Mini High86.1%26.8s$2.75
OpenAI: o3 Mini High86.1%13.8s$2.75
OpenAI: o4 Mini85.3%18.2s$2.75
OpenAI: o3 Mini85.3%16.0s$2.75
OpenAI: ChatGPT-4o82.9%7.4s$10.00
OpenAI: GPT-5 Mini82.5%24.7s$1.13
OpenAI: GPT-5 Nano77.1%34.2s$0.22
OpenAI: GPT-4o (2024-05-13)76.5%4.7s$10.00
OpenAI: GPT-4o76.1%5.8s$12.00
OpenAI: GPT-4o (2024-11-20)75.6%13.0s$6.25
OpenAI: GPT-4o73.8%12.5s$6.25
OpenAI: gpt-oss-20b72.8%13.3s$0.06
OpenAI: GPT-4.1 Mini71.9%13.2s$1.00
OpenAI: GPT-3.5 Turbo (older v0613)70.8%13.7s$1.50
OpenAI: GPT-4o-mini (2024-07-18)70.3%13.2s$0.38
OpenAI: GPT-4o (2024-08-06)70.0%9.5s$6.25
OpenAI: gpt-oss-120b69.6%29.0s$0.11
OpenAI: GPT-4o-mini67.4%11.5s$0.38
OpenAI: GPT-4o-mini Search Preview66.2%6.5s$0.38
OpenAI: GPT-4 Turbo (older v1106)64.7%18.1s$20.00
OpenAI: GPT-4 Turbo Preview62.6%15.8s$20.00
OpenAI: GPT-461.7%12.1s$45.00
OpenAI: GPT-4 Turbo61.5%26.5s$20.00
OpenAI: GPT-4 (older v0314)59.7%16.8s$45.00
OpenAI: GPT-4.1 Nano59.2%5.3s$0.25
OpenAI: GPT-3.5 Turbo42.9%4.0s$1.00
OpenAI: GPT-3.5 Turbo Instruct27.5%4.4s$1.75
OpenAI: GPT-4o Audio$6.25
OpenAI: gpt-oss-120bFree
OpenAI: gpt-oss-20bFree
OpenAI: GPT Audio$6.25
OpenAI: GPT Audio Mini$1.50
OpenAI: Codex Mini$3.75

Benchmark Performance

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Price vs Performance

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Score Over Time

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Benchmark Activity

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Quickstart

Get started with this model using OpenRouter

View on OpenRouter
import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "openai/gpt-3.5-turbo-16k",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

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

Get your API key at openrouter.ai/keys