How much does Claude Opus 4.8 cost per token?

Claude Opus 4.8 is priced at $5.00 per million input tokens and $25.00 per million output tokens, per OpenRouter as of Jul 8, 2026.

What is Claude Opus 4.8's context window?

Claude Opus 4.8 supports a context window of up to 1M tokens, per Anthropic.

How widely used is Claude Opus 4.8?

Claude Opus 4.8 accounts for about 4% of tracked OpenRouter coding-token volume as of Jul 7, 2026.

What are the alternatives to Claude Opus 4.8?

By OpenRouter usage, comparable models include Claude Opus 4.7, Step 3.7 Flash, and GLM 5.2. Side-by-side comparisons are linked in the alternatives table.

ModelsAnthropic

Claude Opus 4.8

Name: Claude Opus 4.8
Author: Anthropic

openrouter price docs

Context

tokens

Released

May 27, 2026

on OpenRouter

Usage rank

of 41 tracked models

Token share

OpenRouter · Jul 7, 2026

Pricing

Price per million tokens

Input $/MTok

$5.00

OpenRouter · Jul 8, 2026

Output $/MTok

$25.00

OpenRouter · Jul 8, 2026

Cache read $/MTok

$0.5

OpenRouter

Cache write $/MTok

$6.25

OpenRouter

Current Claude Opus 4.8 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-4.8	$5.00	$25.00	$0.5	$6.25	1M	Jul 8, 2026	—
models.dev	github-copilot/claude-opus-4.8	$5.00	$25.00	$0.5	$6.25	200K	Jul 8, 2026	0%
llm-prices.com	claude-opus-4-8	$5.00	$25.00	—	—	—	Jul 8, 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 4.8 specifications.
Provider	Anthropic
Context window	1M tokens
Listed on OpenRouter	May 27, 2026
Tracked price sources	llm-prices.com · OpenRouter · models.dev
OpenRouter slugs	anthropic/claude-opus-4.8 · anthropic/claude-4.8-opus-20260528

source: OpenRouter model catalog + tracked price feeds

id: claude-opus-4-8

Usage

Share of OpenRouter tokens

90-day · to Jul 7, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

4% on Jul 7, 2026

Benchmarks

Benchmark results

Benchmark scores for Claude Opus 4.8.
Benchmark	Configuration	Score	Date	Source
AA Intelligence Index	anthropic/claude-opus-4.8	55.7index	—	or-embedded-aa
AA Coding Index	anthropic/claude-opus-4.8	74.3index	—	or-embedded-aa
AA Agentic Index	anthropic/claude-opus-4.8	47.2index	—	or-embedded-aa

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

Alternatives

Similar models

Alternatives to Claude Opus 4.8 by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
7	Claude Opus 4.7Anthropic	398B	36.5%	vs Claude Opus 4.8
9	Step 3.7 FlashStepFun	192.5B	15.4%	vs Claude Opus 4.8
6	GLM 5.2Z.ai	504.5B	41.4%	vs Claude Opus 4.8
10	GPT-5.5OpenAI	175.1B	5.1%	vs Claude Opus 4.8

ranked by OpenRouter usage-rank proximity

snapshot Jul 7, 2026

FAQ

Claude Opus 4.8 FAQ

How much does Claude Opus 4.8 cost per token?: Claude Opus 4.8 is priced at $5.00 per million input tokens and $25.00 per million output tokens, per OpenRouter as of Jul 8, 2026.
What is Claude Opus 4.8's context window?: Claude Opus 4.8 supports a context window of up to 1M tokens, per Anthropic.
How widely used is Claude Opus 4.8?: Claude Opus 4.8 accounts for about 4% of tracked OpenRouter coding-token volume as of Jul 7, 2026.
What are the alternatives to Claude Opus 4.8?: By OpenRouter usage, comparable models include Claude Opus 4.7, Step 3.7 Flash, and GLM 5.2. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track Claude Opus 4.8

Email me when Claude Opus 4.8's price moves or it gets deprecated.