#evals

19 stories · 2 in 7 days · 6 in 30 days
Stories, products and papers tagged "evals", newest first.
Nov 7
Nov 3
Oct 20
Oct 19
Oct 17
Oct 13
How-toBuildersMulti-sourceSelected18:35
Lee Robinson's Stanford CS146S Lecture on Resident AI Agents

The flywheel structure — evals feeding daily harness fixes while retrained models close the quarterly loop — gives product teams a concrete operating rhythm most agent coverage skips. Engineering leads and indie builders planning agent products can use the 'build the minimum harness' heuristic to avoid UI work model progress will erase. The lecture also flags emergent multi-bot behaviour in group chats as a failure mode, citing the Moltbook and Hugging Face incidents as cautions.

Event
shao__meng@shao__meng11 sourcesSource
Oct 8
Oct 6
Sep 29
Sep 28
ProductsBuildersOfficialSelected01:54
OpenAI updates image input handling in API, urges eval reruns

Model-side changes to image input handling can silently alter outputs in production pipelines that already passed earlier evals. Teams running vision workflows on the OpenAI API should diff their results against previous runs and read the changelog before shipping updates. Compared with locking model versions manually, this is a case where OpenAI itself flags behavioural drift.

Event
官方一手@OpenAIDevs@OpenAIDevs11 sourcesSource
Sep 27
How-toBuildersMulti-sourceSelected73°05:49
Builders urged to learn engineering fundamentals before using agents

Agent outputs can look correct while hiding suboptimal or fragile solutions, so evaluation and engineering judgement stay essential even as coding assistants improve. Developers and technical leads adopting tools like Claude Code should invest in fundamentals — evals, architecture and concurrency — rather than delegating decisions entirely. The exchange offers a practical counterpoint to messaging that coding skills are no longer needed.

Event
elvis@omarsar03 sourcesSource
Sep 23
How-toBuildersMulti-sourceSelected73°09:39
Evals Guide Sequel by Hamel Husain and Shreya Shankar

Concrete results show why eval investment pays: Ramp lifted receipt-collection accuracy from 35% to 83%, Harvey nearly doubled its contract reviewer quality score, and Cursor cut Auto Balance routing costs 41% while raising satisfaction. Teams building or scaling AI features can apply the guide's skipped-step framework and plugin directly. Practitioners hiring for AI product roles will also recognise why evals keep appearing in PM job requirements.

Event
Lenny Rachitsky@lennysan6 sourcesSource
How-toBuildersMulti-sourceSelected73°02:59
Hamel Husain and Shreya Shankar release advanced evals guide and skill

The guide identifies the specific step most teams skip when building eval pipelines and explains which parts of eval work should and should not be automated. PMs and engineers shipping AI features can install the free skill and let a coding agent generate evals instead of hand-writing them. With roughly half of 25 PM job listings now asking for evals experience, the skill doubles as a practical skill-building resource.

Event
Lenny Rachitsky@lennysan11 sourcesSource
How-toBuildersMulti-sourceSelected73°01:52
Hamel Husain and Shreya Shankar publish advanced AI evals guide

Eval skills are shifting from niche research work to a stated hiring requirement for product managers, which signals how AI teams now allocate engineering resources. Practitioners building or maintaining AI features can use the guide's automation advice and free plugin to set up eval loops without dedicated infrastructure. The cited cost and accuracy gains offer concrete baselines for teams benchmarking their own pipelines against peers.

Event
Lenny Rachitsky@lennysan10 sourcesSource
Aug 20
Aug 9