Claude Sonnet 4.5 (latest)
Balanced Claude model for coding, analysis, agent workflows, and cost control
Context
200,000
Max output
64,000
Input / 1M
$2.99
Output / 1M
$14.95
Providers
5
01Profile
Profile
Released
2025-09-29
Last updated
2025-09-30
Knowledge cutoff
2025-07-31
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 4 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2025-09-29
2026-09-02ContextcortecsMax output200,000→ new
2026-08-05Price cutcortecsinput / 1M$3.26→ $2.99
2026-08-05Price cutcortecsoutput / 1M$16.30→ $14.95
2026-08-05ContextcortecsContext window200,000→ new
2026-08-03ContextdigitaloceanContext window1,000,000→ 200,000
2026-07-09Contextsap-ai-coreContext window200,000→ new
2026-07-09Contextsap-ai-coreMax output64,000→ new
2026-04-17Addeddigitaloceanoffering→ new
2026-01-16Addedqiniu-aioffering→ new
2025-12-05Addedsap-ai-coreoffering→ new
2025-10-23Addedheliconeoffering→ new
2025-10-13Addedcortecsoffering→ new