How much does Anthropic: Claude Opus 4.8 cost per 1M tokens?

Anthropic: Claude Opus 4.8 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens on the standard tier. Cached input is $0.500 per 1M.

What is Anthropic: Claude Opus 4.8's context window?

Anthropic: Claude Opus 4.8 accepts up to 1,000,000 tokens in a single request, and can return up to 128,000 output tokens.

Is there a cheaper OpenRouter model than Anthropic: Claude Opus 4.8?

Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $5.00 for Anthropic: Claude Opus 4.8, with a 16,385 token context window.

Where does this Anthropic: Claude Opus 4.8 price come from?

From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Anthropic: Claude Opus 4.8 pricing

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a… Anthropic: Claude Opus 4.8 from OpenRouter costs $5.00 per 1M input tokens and $25.00 per 1M output tokens. Cached input is $0.500 per 1M. Context window 1,000,000 tokens.

API id anthropic/claude-opus-4.8 · OpenRouter · source · updated 2026-09-25 · general-purpose

$5.00

Input / 1M tokens

$25.00

Output / 1M tokens

$0.500

Cached input / 1M

Context window

Anthropic: Claude Opus 4.8 specifications

Provider: OpenRouter
API id: anthropic/claude-opus-4.8
Model type: general-purpose
Context window: 1M tokens
Max output: 128K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

Claude Opus 4.8 across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

Provider	Input /1M	Cached /1M	Output /1M	1M in + 1M out	vs vendor
AnthropicVendorCheapest	$5.00	$0.500	$25.00	$30.00	—
OpenRouterHostviewing	$5.00	$0.500	$25.00	$30.00	—

What Anthropic: Claude Opus 4.8 costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.02
Document summary	50,000	2,000	$0.30
1M tokens in, 200K out	1,000,000	200,000	$10.00

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Anthropic: Claude Opus 4.8 cost per 1M tokens?: Anthropic: Claude Opus 4.8 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens on the standard tier. Cached input is $0.500 per 1M.
What is Anthropic: Claude Opus 4.8's context window?: Anthropic: Claude Opus 4.8 accepts up to 1,000,000 tokens in a single request, and can return up to 128,000 output tokens.
Is there a cheaper OpenRouter model than Anthropic: Claude Opus 4.8?: Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $5.00 for Anthropic: Claude Opus 4.8, with a 16,385 token context window.
Where does this Anthropic: Claude Opus 4.8 price come from?: From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

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Other OpenRouter models

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