Umar Salim

Writing.

An archive of whatever I was building, breaking or figuring out at the time, jailbreaks and all.

2026

  • 23 Sept 2026 A First Look at Jev

    A first look at TypeSafe's Jev, the model that answers questions instead of writing. The cheapest paid LLM on OpenRouter matched it on accuracy for a fifth of the price, but Jev's probabilities were the best calibrated as they came, and twenty questions about one document cost a tenth per answer of asking one.

    AI 23 Sept
  • 21 Sept 2026 The State of Local AI Image Generation

    Four open image models on one RTX 5090 against Nano Banana Pro and GPT Image 2.5, ten everyday prompts, scored blind. Three local models made nine usable images out of ten, and Z-Image Turbo did it in 2.6 seconds each. The newest, Qwen-Image-2.1, made six. Side by side, I still preferred a cloud image for nine prompts in ten.

    AI 21 Sept
  • 11 Sept 2026 Qwen3.8-27B vs Opus 4.7 Bakeoff

    Qwen's model card puts its 27B above Opus on SWE-bench Pro. At Q4 on one RTX 5090, inside three different coding agents on three scored tasks, the local model matched Opus 4.7's scores and took 1.6 to 2.9 times as long to get there.

    AI 11 Sept
  • 3 Sept 2026 MiniMax H3 on One RTX 5090

    Measured generation time, memory use and output from MiniMax H3 checkpoints and turbo LoRAs running on a single RTX 5090.

    AI 3 Sept
  • 28 Aug 2026 An AI Agent Overclocked My RTX 5090 Overnight

    A coding agent tuned an RTX 5090 overnight. A perplexity check caught unstable settings that ordinary benchmarks missed, and the profile it shipped improved decode speed by 4.2%.

    AI 28 Aug
  • 27 Aug 2026 Quantising Qwen3.8-27B: Where Quality Plateaus

    How five quantisations of Qwen3.8-27B performed on executed coding tests, how their generation speed and context capacity changed, and which precision levels produced a measurable return on one RTX 5090.

    AI 27 Aug
  • 13 Aug 2026 How to Actually Export Your WhatsApp History

    Seven ways to get fourteen years of WhatsApp messages off an iPhone, six of which failed, and the one unencrypted migration file that finally worked without losing anything on the phone.

    Software 13 Aug
  • 23 Jan 2026 MegaETH's Ten Milliseconds, Measured from London

    MegaETH advertises mini blocks roughly every ten milliseconds. Measured from London over public endpoints, submit plus receipt averaged 435 milliseconds in the best run, indistinguishable from Base, and the wallet path dwarfed both chains.

    Blockchain 23 Jan

2025