Claude Opus 5.5 Matches Fable at Lower Cost

Claude Opus 5.5 delivers performance on par with Fable 5.1 while running at 40% less cost.

GPT 6 Astra Versus Claude Fable Benchmarks

A hands-on comparison puts GPT 6 Astra and Claude Fable 5.1 through real-world tests to see how they stack up.

Claude Desktop Gateway Policy Controls

The update adds Claude apps gateway support for newer Claude Desktop keys and introduces IAM role assumption for Bedrock upstream calls.

Claude Opus 5.5 Launch

Anthropic's new Claude 5.5 family debuts with Opus 5.5, matching Fable 5.1's performance on most tasks at 40% lower cost to run.

--append-subagent-system-prompt-file

Load text from a file and append it to subagent system prompts. An alternative to --append-subagent-system-prompt for text too long to pass on the command line. The two flags can’t be combined. Only applies in non-interactive mode with -p. Requires Claude Code v2.1.261 or later

© 2026 Juan Pazmino B · AI Consultant · Independent, unofficial aggregator — not affiliated with Anthropic, PBC. “Claude” and “Claude Code” are trademarks of Anthropic, PBC.