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open-source

A collection of 9 issues

FLUX 3 unifies video, audio, and action in one architecture — but the launch is incomplete

Black Forest Labs released FLUX 3 today, a multimodal model the company trains jointly across images, video clips up to 20 seconds, audio, and robotic action prediction. The architecture, called Self-Flow, is the same foundation for all four modalities. FLUX 3 is BFL's first public video generation

Laguna S 2.1 is Poolside's open-weight play for sovereign AI procurement

Poolside released Laguna S 2.1, a 118-billion-parameter Mixture-of-Experts coding model with 8 billion parameters active per token, betting that open weights, not raw scale, are how a smaller lab competes at the frontier. The weights are immediately available on Hugging Face under the OpenMDW-1.

Capital One's VulnHunter claims fewer false positives but no validation

Capital One released VulnHunter, an open-source AI tool that maps exploitable vulnerabilities and proposes code fixes, with the company positioning the release as both a community contribution and a redemption story for the bank still shaped by its 2019 breach. The architecture is genuinely interesting: the tool reasons forward

Z.ai ships ZCode as a sovereign access hedge with real limits

Z.ai released ZCode, a free desktop coding environment built around its GLM-5.2 model, and positioned it as a direct challenge to Cursor, Claude Code, GitHub Copilot, and Google's Antigravity. The pricing is real, and so is the technical case: GLM-5.2 is a 744-

LongCat-2.0 reveal: a narrow coding win backed by a caching play

Meituan confirmed that the OpenRouter-leading stealth model "Owl Alpha" is its newly open-sourced LongCat-2.0, a 1.6-trillion-parameter Mixture-of-Experts system that posts a narrow 59.5 on SWE-bench Pro against GPT-5.5's 58.6. The release lands

DeepSeek DSpark's 85% speedup is real, but only with self-hosted stacks

DeepSeek released DSpark under an MIT license over the weekend, alongside a technical paper, model checkpoints, and the DeepSpec training and evaluation codebase. The company reports per-user generation speedups of 60% to 85% for DeepSeek-V4-Flash and 57% to 78% for DeepSeek-V4-Pro over its prior MTP-

SkillOpt makes agent skills trainable, but production validation is limited

SkillOpt, an open-source (MIT Licensed) framework developed by Microsoft, treats agent skill markdown as a trainable artifact and reports large benchmark improvements, but the release leaves key production validations and cost boundaries untested. The source describes SkillOpt as an offline propose-and-test optimizer that separates the model executing

North Mini Code runs on a single H100, but generates 3x the output tokens

Cohere open-sourced North Mini Code on Tuesday, a 30 billion parameter mixture-of-experts coding agent that activates 3 billion parameters per token and runs on a single H100 under an Apache 2.0 license. The release is positioned as a sovereignty-first alternative to managed frontier coding models,

Harness-1 edges GPT-5.4 on search recall by externalizing state, not scale

Harness-1, a 20-billion-parameter open-source search agent, scored 73% on average recall across eight search benchmarks, edging GPT-5.4's 70.9%. The 2.1-point margin is narrower than the source's "massive leap" framing suggests, and the comparison carries a