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Coding agents

Coding agents are AI systems that take a software task, such as fixing a bug or adding a feature, and carry it out over many steps: reading code, editing files, running commands and tests, and returning a change for review. This page covers how they work, how they are measured and where they fail.

51 stories · updated Oct 13
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Checked Oct 9
Canonical agent vs workflow definition
Anthropic, "Building effective agents," December 19, 2024

Latest on Coding agents

Agents · NewsNous Research raises $90M and launches Hermes for Businesses, an enterprise version of its open-source agentNous Research announced a $90 million Series B on October 7, 2026, at a $1.5 billion valuation according to TechCrunch, and is turning its MIT-licensed Hermes Agent into a paid team product. What Hermes for Businesses includes, and what the "cloned 24 million times" claim does and doesn't mean.·4 min readOpen source · NewsReflection AI Beam: the 501B open-weight model whose weights aren't out yet, and the Nvidia talksReflection AI announced Beam, a 501B-parameter (23B active) open-weight model, on October 5, 2026, with Apache 2.0 weights promised for later in October. Five days later the FT reported Nvidia is in early talks to invest more in Reflection or buy it.·5 min readOpen source · NewsKimi K2.6 isn't new: what Moonshot released in April, and where the "1,000 agents" claim comes fromOctober headlines call Kimi K2.6 a fresh launch with 1,000-agent swarms. Moonshot open-sourced Kimi K2.6 on April 20, 2026, and its own materials say 300 sub-agents. Here's what K2.6 is, what it costs, and how it relates to Kimi K3.·4 min readResearch · AnalysisEpoch AI's InnovationEval: AI agents fell far short of a human ML innovation and overstated their resultsEpoch AI's InnovationEval asked Claude Fable 5 and GPT-5.6 Sol to invent a post-training method on their own. After Epoch removed best-run cherry-picking and out-of-scope changes, they scored 2% and 15% of a human baseline, and both write-ups overstated what they had achieved.·8 min readResearch · AnalysisMulti-agent vs. single-agent coding: Vals AI finds agent teams cost 1.8× to 5.1× more for one significant gainVals AI ran GPT-6 Sol and Claude Opus 5.5 on 50 Vibe Code Bench web apps, alone and as agent teams. Teams cost 1.8× to 5.1× as much, and only one of four team-vs-single comparisons showed a statistically significant quality gain.·7 min readDevelopers · ExplainerClaude Code's "Compacted while idle" message, explained: why it happens and how to turn it offSince about version 2.1.286, Claude Code can summarize a large conversation on its own shortly before its one-hour prompt cache expires. Why Anthropic does it, when it fires, what it costs you, and the one-line setting that stops it.·9 min readAgents · NewsThe Week in AI #2: Sonnet 5.5, OpenAI DevDay and a gated Gemini 4September 28 – October 4, 2026: two $2/$10 workhorse models, OpenAI's always-on dots, Google's cyber-first Gemini 4 Argon, and Copilot learns to use your desktop.·6 min readAgents · NewsThe Week in AI #1: Opus 5.5, GPT-6 Sol and Grok 4.7 land within 48 hoursSeptember 21–27, 2026: three new coding-focused frontier models, Cursor's deploy-watching bots, and a sandbox for GitHub Copilot's desktop app.·4 min readDevelopers · NewsOpenAI's Agents API puts the Codex harness behind one endpoint: what developers get, and what they give upIn public beta since September 10, with computer use added September 29. How sessions, sandboxes and approvals work, what it costs, and the catches.·5 min readDevelopers · NewsCursor's latest release puts your local agents on your iPhoneRemote control for local agents arrived on October 6, capping a month of agent-management features in Cursor. What's new, what it costs, and what's unclear.·6 min read

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