How much does Claude Opus 4 cost per token?

Claude Opus 4 is priced at $15.00 per million input tokens and $75.00 per million output tokens, per OpenRouter as of Aug 21, 2026.

What is Claude Opus 4's context window?

Claude Opus 4 supports a context window of up to 200K tokens, per Anthropic.

What are the alternatives to Claude Opus 4?

By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

ModelsAnthropic

Claude Opus 4

Name: Claude Opus 4
Author: Anthropic

openrouter price docs

Context

200K

tokens

Released

May 22, 2025

on OpenRouter

Pricing

Price per million tokens

Input $/MTok

$15.00

OpenRouter · Aug 21, 2026

Output $/MTok

$75.00

OpenRouter · Aug 21, 2026

Cache read $/MTok

$1.50

OpenRouter

Cache write $/MTok

$18.75

OpenRouter

Current Claude Opus 4 prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	anthropic/claude-opus-4	$15.00	$75.00	$1.50	$18.75	200K	Aug 21, 2026	—
models.dev	orcarouter/anthropic/claude-opus-4	$15.00	$75.00	$1.50	$18.75	200K	Aug 21, 2026	11.1%
llm-prices.com	claude-opus-4	$15.00	$75.00	—	—	—	Aug 21, 2026	—

latest tracked price per source · Δ = most recent input-price move within that source

3 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jan 1, 2023

Specs

Context & availability

Claude Opus 4 specifications.
Provider	Anthropic
Context window	200K tokens
Listed on OpenRouter	May 22, 2025
Tracked price sources	llm-prices.com · OpenRouter · models.dev
OpenRouter slugs	anthropic/claude-opus-4 · anthropic/claude-4-opus-20250522

source: OpenRouter model catalog + tracked price feeds

id: claude-opus-4

Usage

Share of OpenRouter tokens

90-day daily

usage share pending — this model isn't in the tracked OpenRouter model rankings yet

Benchmarks

Benchmark results

Benchmark scores for Claude Opus 4.
Benchmark	Configuration	Score	Date	Source
Aider Polyglot	claude-opus-4-20250514 (no think)	70.7%	May 25, 2025	aider-repo
Aider Polyglot	claude-opus-4-20250514 (32k thinking)	72%	May 25, 2025	aider-repo

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Similar models

Alternatives to Claude Opus 4 by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
1	DeepSeek V4 FlashDeepSeek	2.7T	23.9%	vs Claude Opus 4
2	Hy3Tencent	1.3T	17.8%	vs Claude Opus 4
5	Nemotron 3 UltraNVIDIA	733B	45.1%	vs Claude Opus 4
7	GLM 5.2Z.ai	533B	4.2%	vs Claude Opus 4

ranked by OpenRouter usage-rank proximity

snapshot Aug 20, 2026

FAQ

Claude Opus 4 FAQ

How much does Claude Opus 4 cost per token?: Claude Opus 4 is priced at $15.00 per million input tokens and $75.00 per million output tokens, per OpenRouter as of Aug 21, 2026.
What is Claude Opus 4's context window?: Claude Opus 4 supports a context window of up to 200K tokens, per Anthropic.
What are the alternatives to Claude Opus 4?: By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track Claude Opus 4

Email me when Claude Opus 4's price moves or it gets deprecated.