Anthropic: Claude Sonnet 4.5
Listed on OpenRouter as anthropic/claude-sonnet-4.5 since Oct 1, 2025. 135 snapshot observations, 0 repricings.
$6.00per 1M blended · $3.00 in / $15 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 373 days (since Oct 1, 2025)
All-time low$6.00Oct 1, 2025
All-time high$6.00Oct 1, 2025
Change since first seen+0.0%$6.00 on Oct 1, 2025
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Oct 1, 2025 | $3.00 | $15 | $6.00 | 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 | $3.00 | $15 | $6.00 | anthropic/claude-sonnet-4.5 |
| Nous Portal Provider catalog (not exact listing evidence) | $3.00 | $15 | $6.00 | anthropic/claude-sonnet-4.5 |
| AIHubMix Pricing evidence | $3.30 | $17 | $6.60 | claude-sonnet-4-5 |
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.