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GPT-3.5 Turbo 16k Pricing
OpenAI · openai-gpt-3-5-turbo-16k
Input / 1M tokens
$3.00
Output / 1M tokens
$4.00
Context window
16,385 tokens
≈ 22 pages of text
Max output
4,096 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0052
1,000 requests / month$5.20/mo10,000 requests / month$52.00/mo100,000 requests / month$520.00/moEstimate your own workloadOpens the calculator with GPT-3.5 Turbo 16k 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
Handles high-volume classification, extraction, and short-form generation reliably within 16k context at low latency.
The business tradeoff
Weaker multi-step reasoning and instruction following than later GPT variants; knowledge cutoff limits accuracy on recent events.
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.