Anthropic has released Claude Opus 4.8, a rapid upgrade featuring Dynamic Workflows that allow the model to orchestrate hundreds of parallel subagents for complex tasks. The new model also includes a significantly cheaper "Fast Mode" for accelerated inference and an "effort control" slider to adjust reasoning depth. Opus 4.8 shows a notable improvement in honesty and alignment, approaching the performance of Anthropic's internal Mythos model. AI
IMPACT Validates multi-agent orchestration and accelerates the AI pricing war, focusing on intelligence-per-dollar for autonomous workflows.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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- Anthropic
- claude.ai
- Claude Code
- Claude Code Enterprise
- Claude Cowork
- Claude Mythos Preview
- Claude Opus 4.7
- Claude Opus 4.8
- Codex
- Gemini 3.5 Flash
- GPT-5.5
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