---
id: "anthropic/claude-opus-4"
also: ["anthropic/claude-4-opus-20250522", "requesty/anthropic/claude-opus-4", "vercel/anthropic/claude-opus-4"]
cheapest_list_usd_per_m: "15.0 in, 75.0 out, at google-vertex on openrouter"
cheapest_effective_usd_per_m: "10.4294 in, 75.0 out, at vertexAnthropic on vercel"
context: 200000
max_output: 32000
input: ["image", "text", "file"]
output: ["text"]
released: "2025-05-22"
params: ["include_reasoning", "max_tokens", "reasoning", "stop", "temperature", "tool_choice", "tools", "top_p"]
endpoints: 4
gateways: "requesty (2), openrouter (1), vercel (1)"
no_training: 4
trains: 0
retains_prompts: 0
---
# Anthropic: Claude Opus 4

Claude Opus 4 is Anthropic's most powerful model yet and the state-of-the-art coding model. It delivers sustained performance on long-running tasks that require focused effort and thousands of steps, significantly expanding what AI agents can solve. Claude Opus 4 is ideal for powering frontier agent products and features.