Japan's entertainment robots diversify with AI, offer comfort2h ago OpenAI safety leader David Robinson resigns as the team's upheaval mounts2h ago Apple to Tighten Mac Data Controls in Guard Against AI Agents2h ago Contest-Winning Microscope Video Is Full of AI Confabulations, Scientists Say2h ago The Mulleted, Meme-Loving Billionaire Behind Meta’s Hit AI App2h ago What is recursive self-improvement and what would it mean to ban it?2h ago Cerebras stock hits post-IPO low, tumbling 20% for the week on Nvidia pressure and lockup expiration2h ago State of the Field: AI for Epistemics and Coordination3h ago The Netherlands considers banning Meta AI glasses as some retailers pull them from shelves3h ago AI can’t fix a business system with broken processes3h ago How to apply to AI safety fellowships (and beyond)3h ago Anthropic funds $100M academy to train deployed AI engineers3h ago Decagon Joins OpenAI’s B2B Marketplace as a Launch Partner3h ago Humanoid Robots Are Leaving Safety Cages. Proving Actual Safety Is Harder3h ago

Japan's entertainment robots diversify with AI, offer comfort2h ago OpenAI safety leader David Robinson resigns as the team's upheaval mounts2h ago Apple to Tighten Mac Data Controls in Guard Against AI Agents2h ago Contest-Winning Microscope Video Is Full of AI Confabulations, Scientists Say2h ago The Mulleted, Meme-Loving Billionaire Behind Meta’s Hit AI App2h ago What is recursive self-improvement and what would it mean to ban it?2h ago Cerebras stock hits post-IPO low, tumbling 20% for the week on Nvidia pressure and lockup expiration2h ago State of the Field: AI for Epistemics and Coordination3h ago The Netherlands considers banning Meta AI glasses as some retailers pull them from shelves3h ago AI can’t fix a business system with broken processes3h ago How to apply to AI safety fellowships (and beyond)3h ago Anthropic funds $100M academy to train deployed AI engineers3h ago Decagon Joins OpenAI’s B2B Marketplace as a Launch Partner3h ago Humanoid Robots Are Leaving Safety Cages. Proving Actual Safety Is Harder3h ago

Agents Machine Learning11 min reading time

How to Build a Model Router in the Harness

LangChainPublished 12 hours ago

Read the full article

LangChain developed a model router for its Open SWE coding agent that selects appropriate AI models per task, reducing costs by 64% without quality loss. The router leverages task context within the agent harness to optimize model use, avoiding expensive frontier models for simpler tasks.

#agentic-software-development #anthropic #claude-haiku-4-5 #langchain #open-swe

More in Agents

Agents6 min read

The Battle to Be Your Personal AI Agent Is Here

Covered by 5 sources2d ago

Agents3 min read

Meta wants you to build your own Muse gadget

TechCrunch18m ago

Agents4 min read

Amazon releases its own Jev clone as decision models flood the web

Covered by 4 sources1d ago