AnthropicMediumUltra

Claude Opus 4.6

Anthropic's most capable model. Delivers breakthrough performance in reasoning, coding, and complex analysis with enhanced safety and instruction following.

5 credits

per 1K tokens (avg)

Most capable Anthropic model

200K context window

Enhanced reasoning and coding

Superior instruction following

Advanced safety features

Streaming support

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txt

Model Specifications

Context Window

200K

tokens

Max Output

32K

tokens

Training Cutoff

2025-05

Compatible SDK

Anthropic, OpenAI

Capabilities

Vision

Function Calling

Streaming

JSON Mode

System Prompt

Token Pricing (per 1M tokens)

Token Type	Credits	USD Equivalent
Input Tokens	10,000	$10.00
Output Tokens	50,000	$50.00

* 1 credit ≈ $0.001 (actual charges may vary based on usage)

Quick Start

curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "claude-opus-4-6",
  "messages": [
    {
      "role": "system",
      "content": "You are a research analyst with expertise in technology and economics."
    },
    {
      "role": "user",
      "content": "Provide a comprehensive analysis of how large language models are transforming software development practices, including potential risks and mitigation strategies."
    }
  ],
  "temperature": 0.7,
  "max_tokens": 4000
}'

Parameters

Parameter	Type	Required	Default	Description
`messages`	array	Yes	-	Array of message objects (OpenAI format)
`temperature`	float	No	1.0	Sampling temperature (0-1)
`max_tokens`	integer	No	4096	Maximum tokens in response (up to 32000)
`stream`	boolean	No	false	Enable Server-Sent Events streaming

Examples

Complex Analysis

Deep analysis with Claude Opus 4.6

curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "claude-opus-4-6",
  "messages": [
    {
      "role": "system",
      "content": "You are a research analyst with expertise in technology and economics."
    },
    {
      "role": "user",
      "content": "Provide a comprehensive analysis of how large language models are transforming software development practices, including potential risks and mitigation strategies."
    }
  ],
  "temperature": 0.7,
  "max_tokens": 4000
}'

Code Generation

Generate production-quality code

curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "claude-opus-4-6",
  "messages": [
    {
      "role": "system",
      "content": "You are a senior software engineer. Write clean, well-tested code."
    },
    {
      "role": "user",
      "content": "Implement a rate limiter in Python using the sliding window algorithm with Redis backend."
    }
  ],
  "temperature": 0.3,
  "max_tokens": 3000
}'