Claude Opus 4

Anthropic

Claude Opus 4 by Anthropic costs — per 1M input tokens and — per 1M output tokens, with a —-token context window.

Pricing

Input (per 1M tokens)

—

Output (per 1M tokens)

—

Cached input (per 1M)

—

Specifications

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

Benchmarks

Aider Polyglot: 72.0

Compare Claude Opus 4 with…

Claude Opus 4 vs DeepSeek V3.1 Terminus$1.00/1M Claude Opus 4 vs Qwen2.5 Coder 32B Instruct$1.00/1M Claude Opus 4 vs Nemotron 3 Super 120B A12B$1.00/1M Claude Opus 4 vs MiniMax M2$1.02/1M Claude Opus 4 vs MiniMax M2.5$0.95/1M Claude Opus 4 vs DeepSeek V3.1$0.95/1M

FAQ

How much does Claude Opus 4 cost?

Claude Opus 4 is priced at — per 1M input tokens and — per 1M output tokens. Output tokens cost more than input.

What is Claude Opus 4's context window?

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

Is Claude Opus 4 open weight?

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

Data as of 2026-10-16. Source: Epoch AI, Data on AI Models (CC BY 4.0), epoch.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.