Claude Opus 5 API Access: Pricing, Setup, and Model Comparison (As of Aug 2026)

Claude Opus 5 API Access: Pricing, Setup, and Model Comparison (As of Aug 2026)

As of Aug 2026, Claude Opus 5 API access is fully open to individual and enterprise developers with no waitlist, priced at $5 per million input tokens and $25 per million output tokens (as of Aug 2026, Anthropic pricing page), with a 1M-token context window and 128k-token output ceiling (as of Aug 2026, Anthropic model documentation). Developers can go from sign-up to first request in minutes via the Anthropic API, Amazon Bedrock, Google Vertex AI, or unified gateways such as HeFu, which route the same claude-opus-5 model through a single key.

Executive Summary

Anthropic released Claude Opus 5 on July 24, 2026, and the official API model ID is claude-opus-5, available to all Claude API customers (as of Aug 2026, Anthropic official newsroom; moclaw.ai; wavespeed.ai; bleap.finance). The headline numbers as of Aug 2026:

Pricing: $5 per million input tokens, $25 per million output tokens, unchanged from the previous flagship (check the official pricing page). A "Fast" mode delivers roughly 2.5× speed at 2× price (Anthropic official newsroom; moclaw.ai).