anthropicVision

Anthropic: Claude Sonnet 4

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

Context
1M tokens
Input / 1M tokens
$3
Output / 1M tokens
$15
Benchmark

Pricing

Input tokens$3 per 1M tokens
Output tokens$15 per 1M tokens
Cache read$0.30 per 1M tokens
Cache write$3.75 per 1M tokens

Technical details

Model IDanthropic/claude-sonnet-4
Context window1M tokens
Input modalitiesimage, text, file, pdf
Output modalitiestext
TokenizerClaude
Max output tokens64,000

Use with MegaBrain

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://getmegabrain.com/api/gateway/v1',
  apiKey: process.env.MEGABRAIN_API_KEY,
})

const response = await client.chat.completions.create({
  model: 'anthropic/claude-sonnet-4',
  messages: [{ role: 'user', content: 'Hello!' }],
})

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