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OpenAI: GPT-3.5 Turbo 16k API Pricing
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...
How much does OpenAI: GPT-3.5 Turbo 16k cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-3.5 Turbo 16k costs about $38 ($30 input + $8 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to OpenAI: GPT-3.5 Turbo 16k?
- Writer: Palmyra X5 — $0.6 in / $6 out per 1M
- OpenAI: GPT-4o (batch) — $1.25 in / $5 out per 1M
- Google: Gemini 4 Argon (batch) — $1 in / $5 out per 1M
- OpenAI: GPT-6.1 Sol Pro (batch) — $1 in / $5 out per 1M
- OpenAI: GPT-6.1 Sol (batch) — $1 in / $5 out per 1M
- Anthropic: Claude Sonnet 5.5 (batch) — $1 in / $5 out per 1M
Compare OpenAI: GPT-3.5 Turbo 16k with other models
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Frequently asked questions
How much does OpenAI: GPT-3.5 Turbo 16k cost?
OpenAI: GPT-3.5 Turbo 16k costs $3 per 1M input tokens and $4 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $38.
What is the context window of OpenAI: GPT-3.5 Turbo 16k?
OpenAI: GPT-3.5 Turbo 16k has a context window of 16,385 tokens and can return up to 4,096 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-3.5 Turbo 16k?
Cheaper models include Writer: Palmyra X5 ($0.6 in / $6 out), OpenAI: GPT-4o (batch) ($1.25 in / $5 out), Google: Gemini 4 Argon (batch) ($1 in / $5 out). See the full list on this page.
Is OpenAI: GPT-3.5 Turbo 16k free to use?
No. OpenAI: GPT-3.5 Turbo 16k is a paid model at $3 input / $4 output per 1M tokens. 20 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-3.5-turbo-16k · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices