Anthropic: Claude Opus 4

Anthropic

Anthropic: Claude Opus 4 by Anthropic costs $15.00 per 1M input tokens and $75.00 per 1M output tokens, with a 200K-token context window.

Pricing

Input (per 1M tokens)

$15.00

Output (per 1M tokens)

$75.00

Cached input (per 1M)

$1.50

Specifications

Provider: Anthropic
Context window: 200K tokens
Parameters: —
Released: May 2025
Open weights: No
Frontier model: No

Benchmarks

Epoch Capabilities Index: 142.7
FrontierMath: 4.5
GPQA Diamond: 76.3
LMArena (Chatbot Arena) Elo: 1377.0
LMArena Vision Elo: 1191.9

Compare Anthropic: Claude Opus 4 with…

Anthropic: Claude Opus 4 vs Claude Opus 4.1$75.00/1M Anthropic: Claude Opus 4 vs Claude 3 Opus$75.00/1M Anthropic: Claude Opus 4 vs Claude 4.1 Opus Thinking (32K)$75.00/1M Anthropic: Claude Opus 4 vs Claude 4 Opus$75.00/1M Anthropic: Claude Opus 4 vs o3 Pro$80.00/1M Anthropic: Claude Opus 4 vs OpenAI o3-pro (2025-06-10)$88.00/1M

FAQ

How much does Anthropic: Claude Opus 4 cost?

Anthropic: Claude Opus 4 is priced at $15.00 per 1M input tokens and $75.00 per 1M output tokens. Output tokens cost more than input.

What is Anthropic: Claude Opus 4's context window?

Anthropic: Claude Opus 4 supports a context window of 200K tokens — the maximum prompt plus response length it can handle in a single request.

Is Anthropic: Claude Opus 4 open weight?

No — Anthropic: Claude Opus 4 is a closed/proprietary model accessed via API.

Data as of 2026-06-28. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.