OpenAI: GPT-4o
Listed on OpenRouter as openai/gpt-4o since Jun 19, 2024. 204 snapshot observations, 1 repricing. All-time low
$4.38per 1M blended · $2.50 in / $10 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 733 days (since Oct 6, 2024)
All-time low$4.38Oct 6, 2024
All-time high$7.50Jun 19, 2024
Change since first seen-41.7%$7.50 on Jun 19, 2024
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Oct 6, 2024 | $2.50 | $10 | $4.38 | -41.7% |
| Jun 19, 2024 | $5.00 | $15 | $7.50 | 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 | $2.50 | $10 | $4.38 | openai/gpt-4o |
| AIHubMix Pricing evidence | $2.50 | $10 | $4.38 | gpt-4o |
| Nous Portal Provider catalog (not exact listing evidence) | $2.50 | $10 | $4.38 | openai/gpt-4o |
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.