Claude Sonnet 5
Sonnet 5 is an upgrade to Sonnet 4.6, with gains across agentic coding and professional work. It builds on the strengths of previous Sonnet models, bringing top-tier intelligence at Sonnet pricing for coding, agents, and everyday professional work at scale.
ReasoningTool UseExplicit CachingFile InputVision (Image)Web Search
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'anthropic/claude-sonnet-5', prompt: 'Why is the sky blue?'})Providers
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.
Promotional pricing ends on August 31, 2026.
| Provider |
|---|
 Anthropic | 1M | 2.3s | 96tps | $3.00/M$2.00/M | $15.00/M$10.00/M | Read:$0.3/M$0.2/M Write: $3.75/M$2.5/M | $10/K + input costs | — | +4 | 06/29/2026 | ||
 Google Vertex AI | 1M | 0.8s | 109tps | $2.00/M | $10.00/M | Read:$0.2/M Write: $2.5/M | $10/K + input costs | — | +4 | 06/29/2026 | ||
 Amazon Bedrock | 1M | 1.4s | 110tps | $2.00/M | $10.00/M | Read:$0.2/M Write: $2.5/M | $10/K + input costs | — | +4 | 06/29/2026 |