AnthropicSees images
Claude Opus 5
anthropic/claude-opus-5Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
Context
1M tokens
Input, 1M tokens
$5.75
Output, 1M tokens
$29
Benchmark
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Uptime and speed
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Pricing
Charged from your prepaid balance for the tokens actually used.
Input tokens$5.75 per 1M tokens
Output tokens$29 per 1M tokens
Cache read$0.57 per 1M tokens
Cache write$7.19 per 1M tokens
Apps and activity
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Technical details
Model IDanthropic/claude-opus-5
Context window1M tokens
AcceptsText, Images, Files, pdf
ProducesText
TokenizerClaude
Max output tokens128,000
How to connect
The API is OpenAI-compatible: the official SDKs, LangChain and any client with a "base URL" field work.
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-5',
messages: [{ role: 'user', content: 'Hello!' }],
})Start using Claude Opus 5
Create a free account, get a key in your dashboard and send your first request. Top up your balance when you need it.