@corbtt @dvdcrbt can give concrete examples, but from my experience, they enable completely different things. RAG/search really just gives the model *info* to work with. Fine-tuning changes the *behavior* of the model.
GENERATIVE AI
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OpenAI Open Weights Models Outperform Earlier Generation AI
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The OpenAI open weights models are very impressive. These basically beat every model from eight months ago & the small one runs on a laptop. For example, when HLE came out in January, the top score was 3-4%. Been playing with the models and so far they feel like their scores.
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Stealth AI Models Outperform Open Source Models on WebArena
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Ha habido mucha especulación en las últimas semanas sobre si los modelos furtivos aparecidos en el WebArena serían los modelos open source pero al parecer no. Aquellos rendían mejor. https://t.co/tZ5SaLGSXy
— Carlos Santana (@DotCSV) 5 août 2025Ha habido mucha especulación en las últimas semanas sobre si los modelos furtivos aparecidos en el WebArena serían los modelos open source pero al parecer no. Aquellos rendían mejor.
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Open Source LLMs and RL Boost AI Product Margins
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One super important point: for companies using LLMs at scale, the new open source OpenAI models, combined with RL from folks like @OpenPipeAI
, will dramatically improve margins on AI products! -
OpenAI Open Source Models 120B and 20B MoE Tested
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A quick test of the @OpenAI new open source models: 120b and 20b MoE models. With the @FeatureCrewPod planet generation prompt
— Peter Gostev (@petergostev) 5 août 2025
The comparison is to the best one I've seen – a yet unreleased OpenAI model, but then Sonnet 4, Kimi K2, Qwen 3 Coder and GLM-4.5 for comparison. The… pic.twitter.com/a4bh1WclKVA quick test of the @OpenAI new open source models: 120b and 20b MoE models. With the @FeatureCrewPod planet generation prompt The comparison is to the best one I've seen – a yet unreleased OpenAI model, but then Sonnet 4, Kimi K2, Qwen 3 Coder and GLM-4.5 for comparison. The
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GPT-5 Release Imminent as OpenAI Open-Source Model Launches
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Étant donné la sortie du nouveau modèle GPT-OSS ce soir, je pense qu'Altman a un plan de secours. Il ne l’aurait pas autorisé sinon. Ça sent l’arrivée imminente de GPT-5. Des fuites commencent aussi à émerger. Un important partenaire d’OpenAI, Flowith qui héberge leurs
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OpenAI Launches GPT-OSS Pro Mode for Enhanced Open Source
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Introducing `gpt-oss Pro Mode`!
— Matt Shumer (@mattshumer_) 5 août 2025
Basically o3 Pro, but for the new OpenAI open source models 🙂
Pro Mode chains together up to 10 instances of the new OpenAI GPT-OSS model, enabling it to produce a better answer than one instance alone could create!
Open source, link here: pic.twitter.com/rWa3GZBYpjIntroducing `gpt-oss Pro Mode`! Basically o3 Pro, but for the new OpenAI open source models 🙂 Pro Mode chains together up to 10 instances of the new OpenAI GPT-OSS model, enabling it to produce a better answer than one instance alone could create! Open source, link here:
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Deploy GPT-OSS Models Chat Apps Quickly
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How to deploy gpt-oss-120b and gpt-oss-20b chat apps in a few clicks pic.twitter.com/gi2cw5SvIu
— AK (@_akhaliq) 5 août 2025How to deploy gpt-oss-120b and gpt-oss-20b chat apps in a few clicks
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Dynamic Tool Selection for LangGraph Agents
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Equip your agent with different subsets of tools throughout a run with dynamic tool selection in LangGraph!
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Remarkable Performance of Compact Open-Source AI Models
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What’s absolutely amazing to me is the size of these models:
• gpt-oss-120b runs on a high-end MacBook or on a single H100.
• gpt-oss-20b runs on consumer hardware. And yet, their evals are remarkable! Matching or exceeding o4-mini and o3-mini respectively in core benchmarks.