Fast Claude model for everyday coding, agents, and knowledge work
Specification
most-agreed values
Context
1M
Max output
128K
Released
2026-09-28
Knowledge cutoff
2026-06
Retires
—
Open weights
no
Input
text, image, pdf
Output
text
Price
US dollars per million tokens · most-agreed
Input
$2.00
Output
$10.00
Cache read
$0.10
Cache write
$2.50
Batch and priority prices
US dollars per million tokens · per listing
| Price | Listing | $/M |
|---|---|---|
| Batch input | vertex_ai-anthropic_models | $1.00 |
| Batch output | vertex_ai-anthropic_models | $5.00 |
| Cache write, 1 hour | vertex_ai-anthropic_models | $4.00 |
Batch input is 50% below the interactive input price at the same listing.
Available from 3 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| google-vertex | $2.00 | $10.00 | $0.10 | $2.50 | 1M | 128K | — |
| google-vertex-anthropic | $2.00 | $10.00 | $0.10 | $2.50 | 1M | 128K | — |
| vertex_ai-anthropic_models | $2.00 | $10.00 | $0.10 | $2.50 | 1M | 128K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-29 | google-vertex | Cache read | $0.20 |
| 2026-10-09 | google-vertex | Cache read | $0.10 |
| 2026-09-29 | google-vertex-anthropic | Cache read | $0.20 |
| 2026-10-20 | google-vertex-anthropic | Cache read | $0.10 |
| 2026-09-29 | vertex_ai-anthropic_models | Cache read | $0.20 |
| 2026-10-08 | vertex_ai-anthropic_models | Cache read | $0.10 |
Other listings of this model
this page is one of them
The corpus files Claude Sonnet 5.5 under several keys. This page is the claude-sonnet-5-5-default listing. The full record — every host, every price and every benchmark score — is on the main Claude Sonnet 5.5 page.
More from Anthropic
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