Claude Opus 4.5
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Context
200,000
Max output
65,536
Input / 1M
$0.71
Output / 1M
$3.57
Providers
10
01Profile
Profile
Released
2025-11-24
Last updated
2026-01
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
$0.50
Cache write
$6.25
03Pricing
Pricing across 15 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2025-11-24
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-15Price upamazon-bedrockinput / 1M$5.00→ $5.50
2026-09-15Price upamazon-bedrockoutput / 1M$25.00→ $27.50
2026-09-15Contextamazon-bedrockContext window200,000→ new
2026-09-15Contextamazon-bedrockMax output64,000→ new
2026-09-14Removednano-gptofferingremoved→ new
2026-09-14Removednano-gptofferingremoved→ new