Claude Opus 4.8 Pricing & Specs: Cost per Token & Context Window

Claude Opus 4.8 is Anthropic's model priced at $5.00 per 1M input tokens and $25.00 per 1M output tokens, with a context window of about 200K tokens. Below are its full specs and how it stacks up against models from other providers on price and context.

Claude Opus 4.8 pricing

Standard text/chat rates, per 1,000,000 tokens, as of June 2026. Verify against the provider's official page.
Token typePrice (per 1,000,000 tokens)
Input $5.00
Output $25.00
Cached input $0.50

Source: official Anthropic pricing.

Claude Opus 4.8 specifications

Specs as configured for standard text/chat use.
SpecValue
Vendor Anthropic
Context window 200K tokens
Input price $5.00 / 1M tokens
Output price $25.00 / 1M tokens
Cached input price $0.50 / 1M tokens

Compare Claude Opus 4.8 with other models

Head-to-head pricing and spec comparisons against models from other providers:

Running Claude Opus 4.8 in production? See its Anthropic rate limits and common error codes, or estimate spend with the token cost calculator.

Prices change often — these are as of June 2026. Context windows are approximate (some models offer larger beta/long-context tiers) — verify against provider docs. GPT counts are exact via the o200k tokenizer; Anthropic/Google/DeepSeek counts are estimates.