Claude Sonnet 4.5
Claude Sonnet 4.5 is a coding model from Anthropic with strong benchmark scores, including 77.2% on SWE-bench Verified and 61.4% on OSWorld for computer use, sustaining 30+ hour agentic coding sessions, and delivering substantial gains across coding, reasoning, math, and domain-specific expertise. Your use is subject to Anthropic's Terms & Privacy Policies.
Explicit CachingFile InputReasoningTool UseVision (Image)Web Search
import { streamText } from 'ai'
const result = streamText({ model: 'anthropic/claude-sonnet-4.5', prompt: 'Why is the sky blue?'})Copy link to headingProviders
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
| 1M | 64K | 0.8s | 48tps | $3/M+1 more | $15/M+1 more | Read: $0.30/M+1 more Write: $3.75/M+2 more | $10/K + input costs | +3 | 09/29/2025 | |||||
| 1M | 8K | 1.6s | 59tps | $3/M+3 more | $15/M+3 more | Read:$0.30/M+3 more Write:$3.75/M+4 more | — | +3 | 09/29/2025 | |||||
| 1M | 8K | 1.0s | 47tps | $3/M+3 more | $15/M+3 more | Read:$0.30/M+3 more Write:$3.75/M+4 more | $10/K + input costs | +3 | 09/29/2025 |
