Claude Opus 4.8

Anthropic's current recommendation for agentic coding and heavy production work.

API model ID	`claude-opus-4-8`
Context window	1M tokens
Max output	128K tokens
Input price	$5 per million tokens
Output price	$25 per million tokens
Knowledge cutoff	Jan 2026
Released	May 28, 2026
Tokenizer generation	New (Opus 4.7+)
Status	Active

From the announcement

Fast mode runs at 2.5x speed, three times cheaper than previous fast modes.
Claude Code gained dynamic workflows running hundreds of parallel subagents.

Read Anthropic's announcement

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