CtrlAltDebrief
Deprecated on Apr 30, 2025. 3 providers still list it at the prices below.

GPT-3.5 Turbo 16kDeprecated

OpenAIFirst listed Sep 2023
Tool usePrompt caching
Compare GPT-3.5 Turbo 16kCount tokens for GPT-3.5 Turbo 16k
Context
16K
Max output
4K
Serving providers
3
Cheapest input
$3.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Azure$3.00$4.001
OpenAICheapest$3.00$4.001
Standardgpt-3.5-turbo-16k
ComponentUnitStandard
Text input/1M tok$3.00
Text output/1M tok$4.00
OpenRouter$3.00$4.001

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$1.00$2.00$3.00$4.00Sep 20Nov 23Jan 1Jun 22$4.00$3.00

Cost calculator

estimate your monthly spend on this model
$920
estimated / month

Model IDs

copy the exact identifier for your platform
azure/gpt-35-turbo-16kgpt-3.5-turbo-16kopenai/gpt-3.5-turbo-16k

Frequently asked questions

GPT-3.5 Turbo 16k pricing, context and availability

Is GPT-3.5 Turbo 16k still available?

GPT-3.5 Turbo 16k was deprecated on 2025-04-30, but 3 serving providers still list it.

How much does GPT-3.5 Turbo 16k cost?

GPT-3.5 Turbo 16k costs $3.00 per 1M input tokens from OpenAI, and $4.00 per 1M output tokens from OpenAI.

What is the context window of GPT-3.5 Turbo 16k?

GPT-3.5 Turbo 16k accepts up to 16K tokens of context and can return up to 4K output tokens.

Which providers serve GPT-3.5 Turbo 16k?

GPT-3.5 Turbo 16k is available from 3 serving providers, each with its own pricing and model ID. OpenAI is currently the cheapest.

What can GPT-3.5 Turbo 16k do?

GPT-3.5 Turbo 16k supports tool use and prompt caching.

Other OpenAI models

compare pricing across the OpenAI lineup
gpt-oss-120b$0.03/1M · 23 providersgpt-oss-20b$0.0145/1M · 15 providersGPT-5 Mini$0.25/1M · 9 providersGPT-5$1.25/1M · 9 providersGPT-5 Nano$0.05/1M · 8 providersGPT-5.6 Luna$0.20/1M · 7 providersGPT-5.6 Terra$2.00/1M · 7 providersGPT-4o-mini$0.15/1M · 6 providers
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI