Anthropic: Claude Sonnet 5.5
Listed on OpenRouter as anthropic/claude-sonnet-5.5 since Sep 29, 2026. 11 snapshot observations, 0 repricings.
$4.00per 1M blended · $2.00 in / $10 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 10 days (since Sep 29, 2026)
All-time low$4.00Sep 29, 2026
All-time high$4.00Sep 29, 2026
Change since first seen+0.0%$4.00 on Sep 29, 2026
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Sep 29, 2026 | $2.00 | $10 | $4.00 | 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 | $2.00 | $10 | $4.00 | anthropic/claude-sonnet-5.5 |
| DeepInfra Pricing evidence | $2.00 | $10 | $4.00 | anthropic/claude-sonnet-5-5 |
| AIHubMix Pricing evidence | $2.00 | $10 | $4.00 | claude-sonnet-5-5 |
| Nous Portal Provider catalog (not exact listing evidence) | $2.00 | $10 | $4.00 | anthropic/claude-sonnet-5.5 |
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.