Anthropic releases Claude Opus 5 with 1M context

Claude Opus 5 is now live on the Anthropic API, Claude Code (v2.1.219), and AWS Bedrock. It ships with 1M context and fast mode at $10/$50 per Mtok. Anthropic says it approaches Fable 5's intelligence at half the price; Perplexity found it 57% cheaper than rivals while topping its WANDR evaluation.