Price history · Listed on OpenRouter today

OpenAI: GPT-5.5 Pro

Listed on OpenRouter as openai/gpt-5.5-pro since Apr 25, 2026. 90 snapshot observations, 0 repricings.

$68per 1M blended · $30 in / $180 out

USD per 1M tokens · blended at 3 input : 1 output · at this price for 167 days (since Apr 25, 2026)

All-time low$68Apr 25, 2026
All-time high$68Apr 25, 2026
Change since first seen+0.0%$68 on Apr 25, 2026
01

Listed price over time

050100150USD PER 1M TOKENSBlendedInputOutput
BlendedInputOutputStep lines: each price holds until the next observed change.
ObservedInputOutputBlendedChange
Apr 25, 2026$30$180$68first observation
02

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.

SourceInputOutputBlendedListing ID
OpenRouter
Pricing evidence
$30$180$68openai/gpt-5.5-pro
AIHubMix
Pricing evidence
$30$180$68gpt-5.5-pro
Nous Portal
Provider catalog (not exact listing evidence)
$30$180$68openai/gpt-5.5-pro
03

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.