Nous: Hermes 4 405B
Listed on OpenRouter as nousresearch/hermes-4-405b since Sep 4, 2025. 145 snapshot observations, 4 repricings.
$1.50per 1M blended · $1.00 in / $3.00 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 275 days (since Jan 7, 2026)
All-time low$0.35Sep 4, 2025
All-time high$1.50Jan 7, 2026
Change since first seen+328.6%$0.35 on Sep 4, 2025
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Jan 7, 2026 | $1.00 | $3.00 | $1.50 | +185.7% |
| Oct 4, 2025 | $0.30 | $1.20 | $0.53 | +20.0% |
| Oct 1, 2025 | $0.25 | $1.00 | $0.44 | +0.0% |
| Sep 11, 2025 | $0.25 | $1.00 | $0.44 | +25.0% |
| Sep 4, 2025 | $0.20 | $0.80 | $0.35 | 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 | $1.00 | $3.00 | $1.50 | nousresearch/hermes-4-405b |
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.