Claude Sonnet 5
Claude Sonnet 5 is the most agentic Sonnet model yet from Anthropic, with gains over Claude Sonnet 4.6 across reasoning, tool use, coding, and knowledge work. Claude Sonnet 5 makes plans, uses tools like browsers and terminals, runs autonomously, and is available on AI Gateway via Anthropic, Google Vertex AI, Bedrock.
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.
| Provider |
|---|
| 1M | 128K | 3.4s | 104tps | $3/M$2/M | $15/M$10/M | Read:$0.3/M$0.2/M Write: $3.75/M$2.5/M | $10/K + input costs | +3 | 06/29/2026 | |||
| 1M | 128K | 1.2s | 78tps | $2/M | $10/M | Read:$0.2/M Write: $2.5/M | $10/K + input costs | +3 | 06/29/2026 | |||
| 1M | 128K | 2.9s | 113tps | $2/M | $10/M | Read:$0.2/M Write: $2.5/M | $10/K + input costs | +3 | 06/29/2026 |
