Price history · Listed on OpenRouter today

OpenAI: o3 Pro

Listed on OpenRouter as openai/o3-pro since Jun 13, 2025. 167 snapshot observations, 0 repricings.

$35per 1M blended · $20 in / $80 out

USD per 1M tokens · blended at 3 input : 1 output · at this price for 483 days (since Jun 13, 2025)

All-time low$35Jun 13, 2025
All-time high$35Jun 13, 2025
Change since first seen+0.0%$35 on Jun 13, 2025
01

Listed price over time

0204060802026USD PER 1M TOKENSBlendedInputOutput
BlendedInputOutputStep lines: each price holds until the next observed change.
ObservedInputOutputBlendedChange
Jun 13, 2025$20$80$35first 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
$20$80$35openai/o3-pro
AIHubMix
Pricing evidence
$20$80$35o3-pro
Nous Portal
Provider catalog (not exact listing evidence)
$20$80$35openai/o3-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.