OpenAI: GPT-3.5 Turbo
Listed on OpenRouter as openai/gpt-3.5-turbo since Jul 26, 2023. 203 snapshot observations, 2 repricings. All-time low
$0.75per 1M blended · $0.50 in / $1.50 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 904 days (since Apr 18, 2024)
All-time low$0.75Apr 18, 2024
All-time high$1.63Jul 26, 2023
Change since first seen-53.8%$1.63 on Jul 26, 2023
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Apr 18, 2024 | $0.50 | $1.50 | $0.75 | -40.0% |
| Dec 3, 2023 | $1.00 | $2.00 | $1.25 | -23.1% |
| Jul 26, 2023 | $1.50 | $2.00 | $1.63 | first observation |
Where it is listed today
Current listed rates across the sources LLMPI compares. The cheapest blended row is highlighted; lower price never implies identical terms, speed, or quality.
| Source | Input | Output | Blended | Listing ID |
|---|---|---|---|---|
| OpenRouter Pricing evidence | $0.50 | $1.50 | $0.75 | openai/gpt-3.5-turbo |
| Nous Portal Provider catalog (not exact listing evidence) | $0.50 | $1.50 | $0.75 | openai/gpt-3.5-turbo |
Evidence and scope
- Source
- OpenRouter public model listing
- Archive
- Wayback Machine snapshots of that listing (weekly-grade, from July 2023) plus LLMPI's own daily snapshots since June 2026
- Last observed
- Oct 9, 2026
- Data
- history.json (CC BY 4.0)
This is the listed standard text-token rate for one OpenRouter listing ID. It does not normalize caching, batch discounts, long-context tiers, providers behind the listing, or model quality. A price can also move because OpenRouter's default route changed provider.