Loka Tech Blog

Ideas, experiments, and the engineering behind them.

38 articles38 authors

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38 articles
  1. Cover: ESMC-300M, 42 million protein variants scored per day on a single trn2.3xlarge. A branching tree of protein ribbon structures, each paired with a sequence strip marking the substituted residue, with the Loka and AWS logos.
    Hardware benchmark

    Scoring 42 Million Protein Variants a Day on AWS Trainium2

    A native PyTorch benchmark showing EvolutionaryScale ESMC-300M running on AWS Trainium2: 490.8 variants per second on a single trn2.3xlarge — approximately 42.4 million protein variants scored per day at approximately $1.26 per million, 60% below H100 in this fixed-shape D2Deep benchmark.

  2. Product Design

    A Prompt, Pointed the Other Way

    Everything is buildable now. Every team I meet lives in the same climate: more ideas than quarters to test them in, more tools than problems, roadmaps that read like wish lists because nothing on them is technically…

  3. Grok 4.3 benchmark illustration showing AWS Bedrock Mantle and xAI API paths with accuracy, latency, cost, and reliability signals.
    Provider benchmark

    The Many Paths to Grok 4.3

    A public-facing benchmark story on Grok 4.3 through Amazon Bedrock Mantle and the xAI API, focused on accuracy, latency, cost, reliability, and enterprise deployment tradeoffs.

  4. Computer Vision

    Computer Vision at Scale on SageMaker Jobs: Four Decisions

    Training a vision model on millions of images is, more than anything, a data problem wearing an ML costume. The architecture can many times be the least interesting part. Everything around it is usually more fun: how we…

  5. Amazon Bedrock Guardrails

    AWS Bedrock Guardrails — Implementing an Allowlist

    When building AI agents with AWS Bedrock, guardrails are your first line of defense for keeping conversations on topic. A common requirement is to restrict an agent to a pre-defined strict allowlist, blocking everything…

  6. Six emotion-control paradigms across fourteen open-source text-to-speech models.
    Speech synthesis

    Pushing Open-Source TTS Models to Their Limits

    Fourteen open-source text-to-speech models across six emotion-control paradigms, benchmarked against AWS Nova Sonic v2 on naturalness, expressiveness, latency, and licensing.

  7. Abstract benchmark paths converging into a governed cloud platform with healthcare and financial services copilots
    Model evaluation

    How Loka Evaluates and Builds with Frontier Models on AWS

    A comparison of GPT-5.5 through Amazon Bedrock and the OpenAI API across answer quality, latency, throughput, and reliability, followed by two production-shaped copilot builds.

  8. Carbon on Trainium2 with NxD Inference benchmark cover image.
    Accelerator benchmark

    Running Hugging Face Carbon on AWS Trainium2

    A practical benchmark showing Hugging Face Bio Carbon running on AWS Trainium2 with NxD Inference, covering what worked, what we measured, and why it matters for bio and HCLS teams moving open models into production.

  9. AWS

    The Agent Assembly Line

    Productionizing Agentic Use Cases in Weeks, Not Months

  10. Trinity-Mini-DrugProt-Think — post-training an open MoE model for drug–protein relation extraction.
    Reinforcement learning

    Post-Training an Open MoE Model to Extract Drug-Protein Relations

    An ablation-driven study of GRPO-style reinforcement learning with LoRA on Trinity Mini for biomedical relation extraction, covering the training choices that materially changed performance.

  11. Android

    Clean Architecture with Strategy Pattern in Kotlin

    When building stable and maintainable software, one of the biggest challenges developers face is that modern applications often need to support multiple versions of a feature—different algorithms or formats that can…

  12. Strands Agents

    Part 2: Agentic Patterns 101 with Loka & Strands-Agents

    After exploring the foundations of Agentic Patterns in Part 1, where we looked at more structured workflows like Sequential and Parallel workflows, LLM Routing, and Reflection, this time we are going to push further…

  13. Strands Agents

    Part 1: Agentic Patterns 101 with Loka & Strands-Agents

    These days, Agents are everywhere in daily conversation and it seems everyone wants one. We read or hear about AI Agents, Agentic AI, Agentic Architectures, and Agentic Patterns almost every day. But what do these terms…

  14. DeepSeek

    Dive into DeepSeek

    How the open-recipe LLM is transforming GenAI

  15. Networking

    How HTTP/3.0 and QUIC Solve Head-of-Line Blocking

    You probably have heard the history of how HTTP was created and you might even know about the new HTTP/3 version. In this article, I want to focus on some of the lesser-known details of HTTP and why we need a new…

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