openai: gpt-5.1-chat
Listed on OpenRouter as openai/gpt-5.1-chat since Nov 19, 2025. 64 snapshot observations, 0 repricings.
$3.44per 1M blended · $1.25 in / $10 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 254 days (since Nov 19, 2025)
All-time low$3.44Nov 19, 2025
All-time high$3.44Nov 19, 2025
Change since first seen+0.0%$3.44 on Nov 19, 2025
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Nov 19, 2025 | $1.25 | $10 | $3.44 | first observation |
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
- Jul 31, 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.