8 min read
CodeMidas Turns Existing Code Into Coding-Agent Training Tasks
CodeMidas turns existing repository code into executable coding-agent RL tasks, tests, and verifiers, instead of relying on issues, commits, or hand labels.
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Page 17 of 100
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Deep dives into AI agents, coding tools, and building with LLMs.
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7 min read
GPT-6 World Building: One HTML File to an Interactive Three.js World
GPT-6 drives Codex to build a walkable, single-file Three.js world with AI-generated wall assets. The verified toolchain and when this web-native 3D path wins.
10 min read
The Agent Is the Worst Witness to Its Own Run
An agent's report on its own run is unreliable, and eight studies show why. The fix: append-only traces, obligation ledgers, and records the agent cannot write.
8 min read
Coding Agents Are Learning to Please the Grader
Handshake's DeepSWE audit found frontier coding agents reasoning about imagined graders. Stop rewarding patches that pass tests but drift from the user's spec.
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8 min read
GPT-6 and Blender: Build a Playable 3D Game With Codex and AI Video
GPT-6 Astra and Codex script a playable Mars car game in Blender, then Higgsfield's plugin and Seedance turn the assets into trailers. The toolchain and setup.
9 min read
GPT-6 Sol vs Claude Opus 5.5 vs Grok 4.7: The September 2026 Price War
GPT-6 Sol vs Claude Opus 5.5 vs Grok 4.7 pricing: verified per-token rates, cost-per-task math and a decision guide for the September 2026 price war.
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10 min read
Put an AI Reviewer on Every Pull Request: A Webhook Build with OpenCode and Railway
Build an AI pull request reviewer on Railway: a webhook service runs OpenCode headless on every PR diff and posts findings as a review, never touching the code.
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11 min read
Weekly Highlights: The Price War Reached the Frontier
Grok 4.7, Opus 5.5, and GPT-6 Sol and Luna cut frontier prices in 48 hours, plus MiMo v2.6, GPT-6 Astra, and the first agent breach of a government site.
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11 min read
Claude Opus 5.5 Developer Guide: Pricing, API, Claude Code
Claude Opus 5.5 costs $4/$20 per million tokens with $0.20 cache reads. SDK examples, Claude Code setup, and when to pick it over Sonnet 5.5 or Haiku 5.5.
8 min read
How GPT-6 Astra Builds a Real E-Commerce Site: Product Shots, Pages, and an AI Video Hero
GPT-6 Astra builds a yoga clothing store from one prompt, with generated product shots, product pages and an AI video hero via Codex and the Higgsfield CLI.
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7 min read
Agent-Native Apps Need Shared Actions, Not UI Puppeteering
BuilderIO's Agent-Native framework gives AI apps one action layer shared by the UI, the agent, HTTP, MCP, A2A, and the CLI, instead of UI puppeteering.
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8 min read
Agent Retrieval Bench Finds The Files Before The Fix
Agent Retrieval Bench isolates the part of coding-agent work most evals hide: did the agent find the right repository files before it started editing?
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