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OpenAI: GPT-3.5 Turbo Instruct API Pricing
This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.
How much does OpenAI: GPT-3.5 Turbo Instruct cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-3.5 Turbo Instruct costs about $19 ($15 input + $4 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to OpenAI: GPT-3.5 Turbo Instruct?
- Tencent: Hy4 preview — $0.834 in / $2.501 out per 1M
- MoonshotAI: Kimi K2 Thinking — $0.6 in / $2.5 out per 1M
- MoonshotAI: Kimi K2 0905 — $0.6 in / $2.5 out per 1M
- ByteDance Seed: Seed 2.1 Turbo — $0.5 in / $2.5 out per 1M
- NVIDIA: Nemotron 3 Ultra — $0.6 in / $2.4 out per 1M
- SpaceXAI: Grok Build 0.1 — $1 in / $2 out per 1M
Compare OpenAI: GPT-3.5 Turbo Instruct with other models
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Frequently asked questions
How much does OpenAI: GPT-3.5 Turbo Instruct cost?
OpenAI: GPT-3.5 Turbo Instruct costs $1.5 per 1M input tokens and $2 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $19.
What is the context window of OpenAI: GPT-3.5 Turbo Instruct?
OpenAI: GPT-3.5 Turbo Instruct has a context window of 4,095 tokens and can return up to 3,685 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-3.5 Turbo Instruct?
Cheaper models include Tencent: Hy4 preview ($0.834 in / $2.501 out), MoonshotAI: Kimi K2 Thinking ($0.6 in / $2.5 out), MoonshotAI: Kimi K2 0905 ($0.6 in / $2.5 out). See the full list on this page.
Is OpenAI: GPT-3.5 Turbo Instruct free to use?
No. OpenAI: GPT-3.5 Turbo Instruct is a paid model at $1.5 input / $2 output per 1M tokens. 20 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-3.5-turbo-instruct · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices