anthropicVision

Anthropic: Claude Opus 4.5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

Context
200k tokens
Input / 1M tokens
$5
Output / 1M tokens
$25
Benchmark

Pricing

Input tokens$5 per 1M tokens
Output tokens$25 per 1M tokens
Cache read$0.50 per 1M tokens
Cache write$6.25 per 1M tokens

Technical details

Model IDanthropic/claude-opus-4.5
Context window200k tokens
Input modalitiesfile, image, text, 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-opus-4.5',
  messages: [{ role: 'user', content: 'Hello!' }],
})

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