Claude Opus 4 pricing & specs

Anthropic · released 2025-05-22 · ● verified 2026-10-11 · deprecated

This model is deprecated. Cheapest compatible replacement: Gemini 2.5 Flash-Lite.

input / 1M$15.00via Google Vertex AI
output / 1M$75.00via Google Vertex AI
context200K
max output32K

// price history ($/1M tokens)

$86.25
input $/1Moutput $/1M2025-05-22 → 2026-10-11

// cheaper or similar alternatives

modelinoutctxvs Claude Opus 4
Gemini 2.5 Flash-Lite$0.10$0.401.05M−99.4%
Claude Haiku 5.5$0.10$0.501M−99.3%
GPT-6 Luna$0.10$0.501.05M−99.3%
GLM-5.3-Flash$0.15$0.501M−99.2%
GPT-5.6 Luna$0.20$1.201.05M−98.5%

// price by host

hostin $/1Mout $/1M
Google Vertex AI$15.00$75.00

// faq

How much does Claude Opus 4 cost?

Claude Opus 4 costs $15.00 per million input tokens and $75.00 per million output tokens (cheapest tracked host: Google Vertex AI). At 50M input and 10M output tokens per month that is about $1,500.

What is the context window of Claude Opus 4?

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

Does Claude Opus 4 support prompt caching?

Yes. Cached input tokens cost $1.50 per million and cache writes cost $18.75 per million.

What are cheaper alternatives to Claude Opus 4?

Gemini 2.5 Flash-Lite ($0.10 in / $0.40 out), Claude Haiku 5.5 ($0.10 in / $0.50 out), GPT-6 Luna ($0.10 in / $0.50 out) offer the same input types and capabilities for less.

// spec sheet

input / 1M
$15.00
output / 1M
$75.00
cache read / 1M
$1.50
cache write / 1M
$18.75
blended (3:1)
$30.00
context
200K
max output
32K
input types
text · image · pdf
reasoning
yes
tool calling
yes
structured output
no
open weights
no
knowledge cutoff
2025-03-31
price source
Google Vertex AI

report a data error

// cost calculator

modelin $/1Mout $/1M= monthly
Gemini 2.5 Flash-Lite$0.10$0.40$9.00
Claude Haiku 5.5$0.10$0.50$10.00
GPT-6 Luna$0.10$0.50$10.00
Claude Opus 4$15.00$75.00$1,500

Base-tier list prices. Long-context tiers, caching and batch discounts are not included.