GPT-3.5 Turbo
OpenAI · Mid
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Input / 1M
$0.5
Output / 1M
$1.50
Cached input / 1M
—
Context window
16K
Where it sits
151st-cheapest mid model
by blended $/Mtok among 262 listed mid models
31% above the mid median
blended $/Mtok across 262 mid models
Output costs 3× input
$0.5 in / $1.50 out per 1M
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.5 | $1.50 | — | Imported from OpenRouter | openrouter.ai |