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GPT-3.5 Turbo Instruct Pricing
OpenAI · openai-gpt-3-5-turbo-instruct
Input / 1M tokens
$1.50
Output / 1M tokens
$2.00
Context window
4,095 tokens
Max output
4,096 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0026
1,000 requests / month$2.60/mo10,000 requests / month$26.00/mo100,000 requests / month$260.00/moEstimate your own workloadOpens the calculator with GPT-3.5 Turbo Instruct preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Performs basic instruction following and text completion reliably at low cost. Suitable for high-volume, simple production workloads.
The business tradeoff
Weaker multi-step reasoning and factual accuracy than current models. Fixed 4k context limits longer inputs.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.