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Not sure where to start? This week’s hottest software, models and stacks in three minutes.

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AI software people use: from assistants like ChatGPT to tools for coding, video and workflows, picked by purpose.

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Software for AI: tools that let your agent (Claude Code, Codex, Cursor…) browse, read docs, run code and remember.

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// Switch models, control cost

headroom

Compresses tool outputs and RAG chunks before they hit the LLM.

Open source Maintained For agents

Official site ↗ GitHub ↗

IN ONE PARAGRAPH

headroom is compresses tool outputs and RAG chunks before they hit the LLM.

Good for: Developers who want their agent (Claude Code, Codex, Cursor…) to switch models, control cost.

Not for: people who don’t want to install and run tools themselves.

01How to start

  1. 1Read the official README for requirements and permissions.
  2. 2Install it as the official guide describes.
  3. 3Tell your agent the command exists (e.g. in AGENTS.md / CLAUDE.md) so it knows when to call it.

02Alternatives & comparison

Compare side by side →
litellm The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM] ★ 62k new-api A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. ★ 50k kong 🦍 The API and AI Gateway ★ 44k claude-code-router One local control plane for every AI agent: route across models, fuse new capabilities, orchestrate tools, and stay fully in control. ★ 38k apisix The Cloud-Native API Gateway and AI Gateway ★ 17k

03Related

Versions, why it is listed, for AI to read

Popularity evidence (third-party snapshots)

For AI agents

Data updated: AI software & hot ranks · Software profiles & needs(UTC+8)