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The New Stack

The New Stack is a media platform for the people who build and manage software the world relies on. We provide context and explanation of at-scale technologies to advance knowledge and create conversations through our coverage of modern architectures, components of the software development life cycle, and operations to

  • 153articles · 30d
  • 18+ hour agolatest article
  • Aug 14, 2026earliest in window
  • 96%with images
  • 87avg words
articles per day
Categories
  • Science & Technology 140
  • Software Dev. 101
  • Computers & Electronics 96
  • News 38
  • Software 22
  • Science & Nature 12
  • Economy, Business & Finance 9
  • Finance & Business 9

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News

The New Stack
thenewstack.io > claude-build-agents-benchmark

Claude did best on a new benchmark for agents that build agents. It still passed fewer than a quarter of the tests.

3+ day, 13+ hour ago   (492+ words) Sierra has open-sourced Hyper-𝜏-bench, a follow-up to its 2024 τ-bench that tests how well AI agents can build other agents....

The New Stack
thenewstack.io > k2-horizon-fully-open

K2 Horizon just shipped as six new fully open models — developers aren't fully convinced

3+ day, 21+ hour ago   (632+ words) Based in the Emirati capital, Abu Dhabi, the Institute of Foundation Models (IFM) introduced K2 Horizon last week. This group of six AI foundation models, ranging from 0.9 billion to 375 billion parameters, is claimed to be the “largest fully open-source fleet of…...

The New Stack
thenewstack.io > deepseek-dsec-agent-hiring

DeepSeek is hiring 150 engineers, and none of them will touch a model

4+ day, 14+ hour ago   (172+ words) DeepSeek announced 150 backend engineering roles to scale DSec, the sandbox system running hundreds of thousands of concurrent agent environments on a single cluster....

The New Stack
thenewstack.io > openai-agent-research-bottleneck

AI agents are creating more work, not less — and OpenAI's own numbers back it up

5+ day, 14+ hour ago   (317+ words) OpenAI's agents log 3.1 workdays for every human one, but more hours don't mean faster breakthroughs — and supervision may be the real bottleneck....

The New Stack
thenewstack.io > astra-reasoning-effort-cost

OpenAI's new model costs 2.5x more per token — and developers are saving money anyway

5+ day, 17+ hour ago   (300+ words) OpenAI says GPT-6 Astra at low reasoning beats Sol at high — and can cost less per task despite 2.5x token prices. Here's what the benchmarks show...

The New Stack
thenewstack.io > coding-agents-tool-choice

“Twenty years of brand building simply froze in time”: How coding agents select their tools of choice

5+ day, 21+ hour ago   (311+ words) A new study shows Claude Code, Cursor, and Codex pick wildly different tools for the same job - and vendors are racing to influence the choice....

The New Stack
thenewstack.io > astra-arc-agi-benchmark

GPT-6 Astra aced the hardest AI benchmark. The asterisk matters more than the score.

1+ week, 2+ day ago   (217+ words) OpenAI says GPT-6 Astra scored 98.6% on ARC-AGI-3, up from 7.8% six months ago. But undisclosed test settings and opaque reasoning complicate the AGI question....

The New Stack
thenewstack.io > production-token-optimization-guide

The systems guide to production token optimization

1+ week, 2+ day ago   (542+ words) Scale AI systems efficiently by treating token optimization as a distributed systems and hardware utilization challenge....

The New Stack
thenewstack.io > ai-agents-3d-playwright

It cost $33 to build a virtual Union Square. Here's what the agents got wrong.

1+ week, 2+ day ago   (152+ words) AI coding agents built a 3D browser replica of San Francisco's Union Square in two hours, then used Playwright screenshots to catch visual errors no test could....

The New Stack
thenewstack.io > muse-spark-1-3-gemini

“Google was ahead only a few hours”: Muse Spark 1.3 edges out Gemini as Meta claims its biggest coding leap yet

1+ week, 2+ day ago   (682+ words) ...