GPT-3.5 Turbo 16k pricing & price history
GPT-3.5 Turbo 16k by OpenAI costs $3.00 per 1M input tokens and $4.00 per 1M output tokens, with a 16K token context window.
Price history
No price changes since tracking began on 2026-09-24. We check every 10 minutes.
Cost calculator
Cheaper alternatives to GPT-3.5 Turbo 16k
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About GPT-3.5 Turbo 16k
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...
FAQ
How much does GPT-3.5 Turbo 16k cost?
GPT-3.5 Turbo 16k by OpenAI costs $3.00 per 1M input tokens and $4.00 per 1M output tokens, with a 16K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.008.
What is the context window of GPT-3.5 Turbo 16k?
GPT-3.5 Turbo 16k supports up to 16,385 tokens of context and up to 4,096 output tokens per request.
Has GPT-3.5 Turbo 16k’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GPT-3.5 Turbo 16k being deprecated?
No retirement date has been announced for GPT-3.5 Turbo 16k as of 2026-11-12.
What are cheaper alternatives to GPT-3.5 Turbo 16k?
Cheaper options include GLM 5.3 Flash ($0.0399/$0.0784), DeepSeek V4 Flash 0731 ($0.0434/$0.30), DeepSeek V4.1 Flash ($0.022/$0.40), DeepSeek V4.1 Flash 1017 ($0.098/$0.29).