Anthropic releases five updates to reduce token waste and improve cost tracking

·2026.10.23 23:45

Key point

The updates fix prompt caching bugs, add /usage tracking, and prevent context bloat in long sessions and multi-agent runs.

Anthropic introduced five changes aimed at reducing wasted tokens and enabling better spend tracking for developers.
Prompt caching bugs were fixed to prevent telemetry drops and ensure users do not pay full price for cached prompts, while tool costs can now be tracked across teams.
A new /usage guidance feature allows users to monitor remaining token limits and fixes model switching bugs that previously caused token burn from failed tool loops.
Long sessions and multi-agent runs are more efficient due to the ability to turn off idle context compacting, lower memory use in subagents, and prevention of prompt-too-long crashes in sessions with many MCP tools.

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