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AI Development Articles
Deep dives into AI-assisted and agentic development. Coding agents, frontier model releases, SDKs, prompting patterns, and the engineering workflows behind building production software with AI.
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The newest AI Development guides and analysis
Artificial Analysis ran GPT-6 Sol and Claude Opus 5.5 on the same tests. Sol is cheaper up to a point; Opus 5.5 at its default outscores Sol at max.
#AI Models#OpenAI+2 more
2026-09-22
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GPT-6 Sol costs $2/$10 and Luna $0.10/$0.50 per million tokens, half GPT-5.6's price. What OpenAI's own charts show about scores and effort.
#AI Models#OpenAI+2 more
2026-09-22
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Opus 5.5 outscores Fable 5.1 on every coding benchmark Anthropic published, at 40% of the token price. When Fable 5.1 still earns its place.
#AI Models#Claude+3 more
2026-09-22
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Grok 4.7 lists at under a third of Opus 5.5's output price, yet costs twice as much per task in Artificial Analysis tests. Where Muse Spark 1.3 fits.
#AI Models#Claude+4 more
2026-09-22
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Claude Opus 5.5 lists at 40% of GPT-6 Astra's price with no long-context surcharge. Where each leads, and where the vendors' benchmarks disagree.
#AI Models#Claude+3 more
2026-09-22
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Claude Opus 5.5 costs $4/$20 per million tokens, defaults to medium effort and breaks four Opus 5 integrations. What the 40% saving assumes.
#AI Models#Claude+2 more
2026-09-22
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A real capability regression and a broken measurement pipeline look identical on one dashboard. Two tests separate them, five common breaks, a first-hour plan.
#Agentic AI#Evaluation+2 more
2026-09-21
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20% of US businesses use AI; nearly nine in ten survey respondents say theirs does. Both are real. Four evidence classes explain the gap, with eight numbers.
#AI Adoption#Statistics+2 more
2026-09-21
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Before an AI agent rewrites hundreds of pages, index every claim, figure and source already in them. The schema, three rules, and what to do when a claim fails.
#Agentic AI#Content Operations+2 more
2026-09-21
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Six signals that a model is shipping, five checkable and one not, from stealth tests to alias flips, with the API field for each and three launches scored.
#AI Models#Model Catalogs+2 more
2026-09-21
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xAI released Grok 4.7 on September 21, 2026 at Grok 4.6's $2/$6 list price. The vendor-run benchmark table, the route price you are billed, three questions.
#AI Models#Grok+2 more
2026-09-21
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16 models in the open-model conversation, checked against the licence file, OSI's list and what else was released: weights, data, recipes, evaluation harness.
#AI Models#Open Source+2 more
2026-09-21
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Fan a batch out across subagents and items vanish with zero errors. The fault is the hand-written work list, not the agents. Three corruption points, one fix.
#Agentic AI#Multi-Agent Systems+2 more
2026-09-21
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A cost formula for AI jobs at volume: generation, verification and rework. Worked at three failure rates and three checking designs on published 2026 rates.
#Agentic AI#AI Costs+2 more
2026-09-20
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A census of 12 external evaluation arrangements at Anthropic, OpenAI and Google DeepMind: who evaluates, who pays, what access they get, what gets published.
#Agentic AI#AI Governance+2 more
2026-09-20
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npm added stage-only tokens on September 18, 2026 and targets January 2027 to end direct publishing by bypass-2FA tokens. Who moves to what, and what stays.
#Agentic AI#Supply Chain+2 more
2026-09-20
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Claude Code 2.1.278 stopped charging for its auto-mode classifier where checks run server-side. What Claude Code, OpenRouter and Copilot bill for routing.
#Agentic AI#AI Costs+2 more
2026-09-20
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A September 17 advisory shows four coding agents resolving a pinned commit to a same-named branch. How git decides, which versions fix it and what a pin means.
#Agentic AI#AI Security+2 more
2026-09-20
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A matrix from vendor documentation: which filenames nine coding agents read, what wins when several exist, nested files, size caps and what is not documented.
#Agentic AI#Coding Agents+2 more
2026-09-20
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A census of 15 industry packages from OpenAI, Anthropic and xAI, decomposed into index, instructions, tools, safeguards, gate and price. None ships a new model.
#Enterprise AI#OpenAI+2 more
2026-09-19
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Proof-of-Control, a 127-requirement draft standard open for comment, grades agent evidence by who you must trust. The tiers, the six domains, what to do now.
#Agentic AI#AI Governance+2 more
2026-09-19
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A census of 20 AI agents by the identity each acts under: 11 get their own account or token, 9 reuse your login. What it means for revocation and blast radius.
#Agentic AI#AI Security+2 more
2026-09-19
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IBM Research ran an agent five times per task: 77.4% of runs passed but only 53.0% of tasks passed every time. What the gap is and how to measure yours.
#Agentic AI#AI Evaluation+2 more
2026-09-19
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Anthropic's Life Sciences Verification Program gives vetted labs two grant types and moves enforcement from blocking to monitoring. Who qualifies, what it asks.
#Anthropic#Life Sciences+2 more
2026-09-19
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