Claude Opus 4.5 (latest)
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Context
200,000
Max output
64,000
Input / 1M
$5.31
Output / 1M
$26.57
Providers
1
01Profile
Profile
Released
2025-11-24
Last updated
2025-11-24
Knowledge cutoff
2025-05
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 1 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
5+ recent events since 2025-11-24
2026-09-02ContextcortecsMax output200,000→ new
2026-08-05Price cutcortecsinput / 1M$5.98→ $5.31
2026-08-05Price cutcortecsoutput / 1M$29.89→ $26.57
2026-08-05ContextcortecsContext window200,000→ new
2026-03-21Addedcortecsoffering→ new