kumyu.日本語 ↗

FIELD NOTES

Updates

2026-10-04update
HACKER NEWS · Observation note → experiment design

Hacker News observation: turn attention into bounded technical experiments

A dated HN API snapshot, read as a set of technical hypotheses rather than a popularity ranking.

13 min↗
2026-10-04update
IMAGE · research notes

Image model research notes: don't confuse offering models, open weights, and licenses

Research notes based on official sources checked on 2026-10-04. Compare API availability, open weights, and license conditions for OpenAI GPT Image, Google Imagen, and Stable Diffusion.

9 min↗
2026-10-04update
IMAGE · research notes

Image generation frontier notes: Reading FLUX.3, GPT-Image 2.5, Nano Banana 2 in process

From the official information confirmed on 2026-10-04, we summarize that the focus of image generation has shifted from one-shot image quality comparison to layout, editing, history, and high-speed iterative process design.

10 min↗
2026-10-04update
OPEN SOURCE · Observation note → adoption record

OSS release observation: a release page is a verification starting point

A dated GitHub Releases observation with a concrete pre-adoption record and test procedure.

7 min↗
2026-10-04update
RESEARCH · Paper note

Read 2025 reasoning-RL and efficiency papers into implementation

Read four 2025 papers on test-time compute allocation, RL training efficiency, shorter reasoning, and dynamic length control by separating claims from constraints.

10 min↗
2026-10-04update
EMBODIED AI · Intermediate

2025 VLA map: read SmolVLA, π0/π0.5, OpenVLA, and GR00T using the same yardstick

Updated notes that interpret each presentation in terms of openness, body, data, behavioral expression, and evaluation boundaries, rather than ranking each presentation in a comparison table.

12 min↗
2026-10-04update
INFRASTRUCTURE · Update note

Official announcement watch: return provider updates to product decisions

A 2026-10-04 record of official blog and documentation entry points that keeps announcement dates, observed facts, implications, and unknowns separate.

8 min↗
2026-10-04update
VIDEO · research notes

Video model research notes: Provision formats and production choices after 2025

Check Veo, Sora, Wan, and LTX in official documents and compare cloud provision, open weights, inference code, and safety measures on different axes.

12 min↗
2026-10-04update
VIDEO · research notes

Hailuo, Kling, Runway research notes: connect model capabilities to the production process

Focusing on the official announcement of MiniMax/Hailuo, Kling and Runway will limit the scope of public information they have been able to confirm and organize their decisions to incorporate short-form generation into production.

13 min↗
2026-10-04update
Y COMBINATOR · Observation note → experiment design

Y Combinator observation: turn public signals into constrained experiments

A dated reading of YC RFS and company material, separated from recommendations and adoption claims.

11 min↗