Agent routing or picking the model yourself
Three job types where an agent's model choice predictably goes wrong, and how to pin a named model in the brief without giving up routing everywhere else.
9 min read
Arena shopping and the '#1 model' claim
Vendor number-one claims name whichever board flatters them. A two-minute check on the board, the date, the vote count and the exact category behind the claim.
7 min read
Charging for model research as a line item
Finding which model holds a brief is billable work most studios absorb. How to scope a model-selection pass, cap it on three axes, and invoice it defensibly.
9 min read
Concurrency limits are a model selection criterion
For batch work, how many generations you hold in flight decides wall-clock time more than per-clip speed. How to measure throughput and order a queue.
8 min read
Filtering a huge model catalog down to eight
An elimination protocol that takes 296 models to 8 in five ordered gates: input modality, duration ceiling, audio, licence, credit band. Refill quarterly.
9 min read
Fluid, fire and smoke: where video models diverge
Pours, flame and volumetric smoke fail in three different ways. How to rank them, and a rule for what to generate, what to composite, and what to cut.
9 min read
How many reference slots your shot actually needs
Single-image, three-slot and nine-slot reference models compared: which shots improve past three references, which just get slower, and a shot-type table.
9 min read
How to read a GPAI training-data summary
General-purpose AI providers have published training-content summaries since August 2025. Six questions that separate a useful one from a decorative one.
8 min read
Latency vs fidelity in voice model choice
Fast voice models and expressive ones fail in different places. A two-axis method for picking TTS per job, plus the retake maths that settles it.
8 min read
Prompt adherence vs aesthetic defaults
Complaints that a model ignored the prompt are usually a casting error. Two prompts at three seeds each sort image models into the two camps that matter.
8 min read
Reading the quality-per-credit report
A reading method for the quality-per-credit frontier that shortlists models for one specific job and still works after the next round of launches.
9 min read
Single-model mastery vs routing a whole catalog
Knowing one model deeply beats a marginally better one you cannot steer. Two thresholds, job variety and output volume, for when that stops being true.
9 min read
Spec-sheet claims that don't survive testing
Six spec numbers that promise more than they deliver: max duration, resolution, reference count, fps, native audio, multi-shot, and one test to run on each.
9 min read
Two-pass regeneration vs native high resolution
Some models reach 2K by regenerating a low-res render; others generate high-res natively. What each does to fine detail, temporal stability and render time.
9 min read
Upscale the render or generate at full resolution
When a cheap generation plus a dedicated upscaler beats the top tier, and when the upscaler invents detail you did not want. A rule keyed to four shot types.
8 min read
Where motion coherence breaks as clips get longer
A 15-second ceiling is rarely 15 usable seconds. The three ways long clips fall apart, a ladder test to find your safe duration, and where to place the cut.
9 min read
Which image models hold architectural perspective
Bowed lines, disagreeing vanishing points and drifting facade counts sink generated architecture. The traits that help, and the prompt that fixes interiors.
9 min read
Which video models hold up with crowds in frame
Background people break more shots than hero subjects. The pixel budget that predicts failure, plus staging tactics for street, stadium and venue shots.
9 min read
Edit Models vs Generate Models: A Selection Table
71 text-to-image, 42 edit-image, 30 image-to-image models — and only 3 do all three. A job-first way to pick the right one instead of shopping by brand.
7 min read
Reroll Rates: Budgeting Credits Against the Shots You Throw Away
The sticker price of an AI video model isn't the real cost per finished shot. How to measure your own reroll rate and budget credits against it.
8 min read
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