Anthropic: Claude Opus 4

Anthropic: Claude Opus 4 is a large language model from Anthropic. It costs $15.00 per million input tokens and $75.00 per million output tokens. Its context window is 200K tokens.

ReasoningTool callingPrompt cachingimage inputfile input

Input / 1M tokens: $15.00
Output / 1M tokens: $75.00
Cached input / 1M: $1.50
Context window: 200K

This model also charges $0.01 per search request

That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.052, so the search fee is 19% on top. Per-token rankings elsewhere ignore this entirely.

Who serves it cheapest

1 hosts serve Claude Opus 4. Same weights, same API - the price difference is pure margin and routing.

Providers serving Anthropic: Claude Opus 4, cheapest first
Provider	Input / 1M	Output / 1M	Context	Throughput	Uptime 24h
GoogleCheapest	$15.00	$75.00	200K	-	100.0%

About Claude Opus 4

Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...

Specifications

Anthropic: Claude Opus 4 specifications
Model ID	`anthropic/claude-opus-4`
Provider	Anthropic
Context window	200K tokens
Max output	32K tokens
Input modalities	image, text, file
Output modalities	text
Knowledge cutoff	2025-01-31
Open weights	No
Released	May 22, 2025

Cheaper alternatives

Models that cost less than Claude Opus 4 while keeping at least half its context window and every input modality it supports.

$15.00 in · $60.00 out

1.1× cheaper

GPT-6 Astra

$10.00 in · $50.00 out

1.5× cheaper

GPT-6 Astra Pro

$10.00 in · $50.00 out

1.5× cheaper

Claude Fable 5.1

$10.00 in · $50.00 out

1.5× cheaper

Claude Fable 5

$10.00 in · $50.00 out

1.5× cheaper

Frequently asked

How much does Anthropic: Claude Opus 4 cost?

$15.00 per million input tokens and $75.00 per million output tokens. Cached input reads cost $1.50 per million tokens.

What is the context window of Anthropic: Claude Opus 4?

200K tokens, with up to 32K tokens of output per request.

Does Anthropic: Claude Opus 4 have extra fees beyond per-token pricing?

Yes. Anthropic: Claude Opus 4 charges $0.01 per search request - $10.00 per 1,000 requests - on top of $15.00 per million input tokens and $75.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 19% on top.

Confirm against the source: Anthropic official pricing.