Introducing Claude Opus 4.8
Original: Claude Opus 4.8
Anthropic upgraded Claude Opus with stronger agentic, coding, reasoning, and collaboration capabilities at unchanged standard pricing.
Anthropic introduced Claude Opus 4.8 as an upgrade over Opus 4.7, emphasizing benchmark gains, sharper judgment, and more reliable agentic work. The launch also adds dynamic workflows in Claude Code, effort controls in claude.ai and Cowork, and Messages API support for system entries inside messages. Standard pricing remains unchanged, while fast mode is faster and substantially cheaper than before.
Anthropic released Claude Opus 4.8 on May 28, 2026, describing it as an upgrade to Claude Opus 4.7—the focus being not a major change in product positioning, but rather more stable progress on coding, agentic capability, reasoning, and knowledge-work tasks. Officials stated that Opus 4.8 was fully available on launch day, with standard-usage pricing identical to Opus 4.7—API pricing of 5 dollars per million input tokens and 25 dollars per million output tokens; fast mode can operate at roughly 2.5x speed and, compared with the previous model, is three times cheaper, priced at 10 dollars per million input and 50 dollars per million output.
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