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AI News: The enterprise AI stories that matter, every week

Every week, the most relevant AI developments: new models, tools, research and regulation. Summarized, put into business context and backed by sources.

39 editions 327 stories 1020 sources

Latest edition · Week 39, 2026

OpenAI cuts GPT-6 prices as Anthropic launches Claude Opus 5.5

September 19 – 25, 2026

OpenAI has cut API prices for GPT-6 Sol and Luna, while Anthropic says typical tasks cost less with Claude Opus 5.5 than with Opus 5. ChatGPT Work users can now create documents, presentations, and spreadsheets by voice. Grok 4.7 and Step 5 Preview offer large context windows. New GGUF versions of Qwen models are also available for local use.

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  1. 1 Anthropic launches Claude Opus 5.5 with lower usage costs Models
  2. 2 OpenAI launches GPT-6 Sol and Luna with lower API prices Models
  3. 3 ChatGPT Voice can handle tasks in Work Products & tools
  4. 4 OpenAI introduces Astra for Law to select US firms Products & tools
  5. 5 StepFun introduces Step 5 Preview with a one-million-token context window Models
  6. 6 Unsloth releases GGUF version of Qwen-Image-2.1 Models

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123456789101112131415161718192021222324252627282930313233343536373839 Enterprise AI AI agents Coding & dev tools Open source Image, video & audio Chatbots & assistants Cybersecurity Work & society Pricing & costs Benchmarks & reasoning
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Theme 123456789101112131415161718192021222324252627282930313233343536373839
Enterprise AI 522342355533423254510433785532424432374
AI agents 110121542251525155133221453633447527431
Coding & dev tools 011022351231521142124323422502222236215
Open source 021212010020111022222303422275355332325
Image, video & audio 231243021112232040021102112341240042132
Chatbots & assistants 132212113202110110011013110100021100232
Cybersecurity 300000001001011010202121112002313311310
Work & society 101101022111213122022301110011001000012
Pricing & costs 000100101000100201011210003501121132103
Benchmarks & reasoning 000000011011110002010000012113001120211
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327 of 327 stories

Week 39, 2026 · Models Anthropic launches Claude Opus 5.5 with lower usage costs Claude Opus 5.5 aims to match Fable 5.1 on many tasks. Anthropic says typical tasks cost about 40% less than with Opus 5. AnthropicClaude Week 39, 2026 · Models OpenAI launches GPT-6 Sol and Luna with lower API prices GPT-6 Sol’s API prices are half its predecessor’s promotional rates. GPT-6 Luna also costs less than its predecessor. OpenAIGPT-6Anthropic Week 39, 2026 · Products & tools ChatGPT Voice can handle tasks in Work ChatGPT Work users can create documents, presentations, and spreadsheets by voice. Unfinished tasks can continue in text after a call ends. OpenAIChatGPTCodex Week 39, 2026 · Products & tools OpenAI introduces Astra for Law to select US firms The legal configuration of GPT-6 Astra pairs research and drafting with a daily-updated US legal index. Initial access is limited. OpenAIAstra for LawGPT-6 Week 39, 2026 · Models StepFun introduces Step 5 Preview with a one-million-token context window StepFun is offering its new model in preview through its API. Its stated context window is one million tokens. StepFunStep 5 Week 39, 2026 · Models Unsloth releases GGUF version of Qwen-Image-2.1 Unsloth has released a quantized version of Qwen-Image-2.1 for local use. Its smallest file is 3.91 GB, but that does not establish that generation works with 4 GB of memory. UnslothAlibabaQwen-Image Week 39, 2026 · Models xAI releases Grok 4.7 with a 500,000-token context window Grok 4.7 targets coding and knowledge work. xAI offers the model with a 500,000-token context window through the Grok API and other platforms. xAIGrok Week 39, 2026 · Infrastructure & hardware White Circle introduces Halo for distributed Hugging Face training The open-source framework aims to add distributed training to existing models without rewriting them. White Circle reports higher throughput than TRL in its own tests. White CircleHaloHugging Face Week 39, 2026 · Models PrismML releases compressed Bonsai 2 27B model Bonsai 2 27B is designed to retain 98.2% of its parent model’s benchmark performance at a much smaller size. Its weights are freely available. PrismMLBonsaiQwen Week 39, 2026 · Models Empero releases Qwen distillation with GGUF files for llama.cpp The model has 35 billion parameters but activates about 3 billion per token. Quantized files support local inference with llama.cpp. EmperoQwenllama.cpp Week 38, 2026 · Models DeepSeek-V4.1-Flash reduces cache requirements DeepSeek’s new 552-billion-parameter multimodal model uses less KV cache than its predecessor. Its model weights are available. DeepSeekDeepSeek-V4 Week 38, 2026 · Models Google introduces two Gemini models for live voice conversations Gemini 3.8 Live combines voice interaction with visual context. A second variant is designed to reason through complex tasks while speaking. GoogleGemini

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