Claude Sonnet 4
Claude Sonnet 4 supports a context window of 1M tokens on Vercel AI Gateway, enabling full codebase analysis of 75,000+ lines or large document sets, while scoring 72.7% on SWE-bench Verified with hybrid extended thinking and enhanced steerability.
File InputReasoningTool UseVision (Image)Explicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'anthropic/claude-sonnet-4', 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 | 0.9s | 48tps | $3.00/M | $15.00/M | Read: $0.3/M Write: $3.75/M | $10.00/K + input costs | — | 05/22/2025 | ||||
| 1M | 0.8s | 78tps | $3.00/M | $15.00/M | Read: $0.3/M Write: $3.75/M | — | — | 05/22/2025 | ||||
| 1M | 0.7s | 51tps | $3.00/M | $15.00/M | Read: $0.3/M Write: $3.75/M | $10.00/K + input costs | — | 05/22/2025 |
