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Developer Tools

1322 summarised stories about Developer Tools, each linking back to the original source. Browse all topics →

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Sunday, 9 August 2026

GitHub Models is now retired

Simon Willison’s Weblog 2 months ago 25

GitHub has retired GitHub Models, ending its unified model playground and API service. The shutdown completed as part of a scheduled retirement brownout, and GitHub Models is no longer available for use in GitHub Actions. Users must switch to other LLM providers or direct APIs (for example, using an OpenAI API key with a spending limit) to keep their automation working.

Top LLM Observability and Evaluation Platforms in 2026: Langfuse, LangSmith, Braintrust, Arize, and More Compared

MarkTechPost 2 months ago 6

LLM observability and evaluation platforms have shifted from optional tooling to core infrastructure for teams running LLM apps in production. The LLM observability market is projected to grow from $1.97 billion in 2025 to $2.69 billion in 2026, reaching $9.26 billion by 2030. Instrumentation and quality control now revolve around OpenTelemetry GenAI semantic conventions (gen_ai.* spans) plus tracing, offline/online evaluations, and production monitoring that feeds real failures back into regression test datasets.

AI coding got faster. Why didn’t engineering?

The New Stack 2 months ago 6

Developer organizations reported that AI coding tools make individual understanding and code changes easier but overall engineering velocity did not improve as spending rose. AI investment increased 28 times for most companies while DX reported DXI (Developer Experience Index) dropped by 2 points industrywide. The reported result is increased cost without shipping exponentially more, weaker change confidence and maintainability-to-release trust, larger pull requests, and a heavier need to measure AI impact and restructure processes to realize benefits.

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