Best Model for Python: Everything Passes Until Runtime
Every model writes decent Python, which is exactly why choosing one is hard. The real differences show up in library recency and runtime failure.
ReadPractical writing for developers building with large language models — how they work, how to pick one, and how to keep the bill predictable.
Picking between models — and testing them on your own work.
Every model writes decent Python, which is exactly why choosing one is hard. The real differences show up in library recency and runtime failure.
ReadRust punishes weak models loudly rather than quietly. Why iterations-to-green is the metric that matters and where models predictably fail.
ReadSelf-hosting turns model selection into a memory problem. Which open-weight models fit on real hardware, and what you give up at each tier.
ReadWorking alone means no routing layer and no ops budget. Why breadth and predictable cost beat peak capability when one model has to do everything.
ReadA wrong query returns rows rather than an error, which is why SQL generation fails quietly. What to feed the model and how to verify before trusting.
ReadEarly-stage teams change their mind quarterly. Why the model decision that matters is how cheaply you can replace it, not which one wins today.
ReadModel choice matters less than constrained decoding for reliable JSON. What actually guarantees valid output, and where model quality still decides.
ReadA smarter model that emits malformed calls is worse than a weaker one that never does. What to test before choosing a model for an agent loop.
ReadTypeScript gives you a free verifier, which changes which model you should pay for. How to build the tsc loop and where models still fall down.
ReadVision in a developer workflow means screenshots, diagrams and scanned documents. Which models take image input, and where visual understanding still fails.
ReadKnowing which model wrote an answer changes how you judge it. A practical protocol for blind pairwise comparison that a small team can run in a day.
ReadA practical design for a local evaluation runner: fixture format, isolation, scoring, cost tracking and the CI wiring that keeps it from rotting.
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