Models/anthropic

claude-opus-4.5· Released Nov 24, 2025

Name: claude-opus-4.5
Brand: anthropic

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...

Input

From$4.675/M

Output

From$23.375/M

Context

Up to 200K

Max output

Up to 64K

Modalities

FileImageTextText

Input and output show the lowest price across upstreams, for reference. Your actual prices are listed per upstream below.

Upstreams & pricing

Upstream	Context	Max output	Input $/1M	Output $/1M	Cached input $/1M
Zenlayer AI Gateway - anthropic (Global)From price	200K	64K	$4.675	$23.375	$0.4675

Routed in real time — you pay the listed price of whichever upstream serves your call.

How to call

curlrequest.sh

curl https://api.tkex.ai/v1/chat/completions \
  -H "Authorization: Bearer $TX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-4.5",
    "messages": [
      {"role": "user", "content": "Say hello in five words."}
    ]
  }'