big theme of 2026 – cost of closed models is too high! really excited to make deepagents work exceptionally well with OSS models
OPEN SOURCE
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Installing DeepAgents CLI for agent deployment
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First I'm going to install deepagents cli. This is a CLI which will help me set up and then deploy my agent `uv tool install deepagents-cli` DeepAgents CLI is open source – see it here: https://
github.com/langchain-ai/d
eepagents/tree/main/libs/cli
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SenseNova-U1 Open Source AI Model Repository Launch
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repo → https://
github.com/OpenSenseNova/
SenseNova-U1
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SenseTime Releases SenseNova-U1 Unified Multimodal Architecture
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HUGE OPEN-SOURCE DROP @SenseTime_AI just released SenseNova-U1! If you work with multimodal AI, you need to see this. they’ve completely killed the Visual Encoder (VE) and VAE to create a truly unified architecture (NEO-Unify). The TL;DR: → Unmatched Infographics: One of
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IBM Granite 4.1 Language and Speech Models Now Available
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Try Granite 4.1 here Language: https://
replicate.com/ibm-granite/gr
anite-4.1-8b
… Speech: https://
replicate.com/ibm-granite/gr
anite-speech-4.1-2b
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AGI ALPHA Completes First Real Loop with Evidence Compiler
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Today, AGI ALPHA ran the First Real (RSI) Loop: Nova‑Seed → MARK → mini Sovereign → 5 real jobs → Evidence Docket → reusable compiler → vNext treatment/control improvement. From architecture to replayable evidence. GitHub Actions: https://
github.com/MontrealAI/agi
alpha-first-real-loop/actions/runs/25118498108/job/73612279861
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Mistral Launches Medium 3.5: 128B Dense Model with Vision
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Congrats to the @MistralAI team on launching Mistral Medium 3.5! This new single 128B dense text-vision model merges instruction-following, reasoning, and coding. Plus, it scored 77.6% on SWE-Bench Verified. The best models run on NVIDIA. Try it out today on
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Clawsweeper integrates codex review with automerge loops
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Integrated codex review into clawsweeper. I'm using a very similar system prompt so this gets you the same as /review, and clawsweeper has automerge, loops until it stops finding new issues. https://
github.com/openclaw/claws
weeper
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Mistral Medium 3.5: new 128B model with 256k context
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MISTRAL 🚨: Mistral AI released Mistral Medium 3.5, a 128B dense open weights model with a 256k context window and configurable reasoning effort.
— 🚨 AI News | TestingCatalog (@testingcatalog) 29 avril 2026
Mistral Medium 3.5 is now available on Mistral Vibe and Le Chat. https://t.co/dqRPYhsfiP pic.twitter.com/dhtXYDQe0wMISTRAL : Mistral AI released Mistral Medium 3.5, a 128B dense open weights model with a 256k context window and configurable reasoning effort. Mistral Medium 3.5 is now available on Mistral Vibe and Le Chat.
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Open-source AI agent starter projects for developers
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We've open-sourced a few starter projects for you to build on: a coding agent CLI, a prototyping tool, and an agent-powered kanban board. Use Cursor to customize them for your use case: