SpaceXAI Releases Grok 4.5, Which Elon Describes as an 'Opus-Class Model'
SpaceXAI launched Grok 4.5, its first joint AI model built with Cursor, targeting long-horizon legal, finance, and software engineering tasks. Not yet available in the EU.
Categories: Hardware, Modely, Chipy (AI)
15 noviniek
Results
Štvrtok 9. júla 2026
OpenAI to Roll Out Top AI Model Globally After Limited Preview — Government Limits Lifted
OpenAI officially confirmed the public global release of GPT-5.6 Sol for Thursday July 10 after the US government lifted restrictions that had limited initial access to vetted partners only.
SpaceXAI releases Grok 4.5 publicly: 1.5 trillion parameters, Opus-class claims Musk
SpaceXAI (formerly xAI) launched Grok 4.5 for SuperGrok Heavy and API users on July 9, 2026. The 1.5 trillion parameter model built on V9 foundation claims twice the token efficiency, according to the company.
SWE-1.7 Reaches Near GPT-5.5 and Opus Intelligence — Frontier Coding at $1.97 Per Task
Cognition released SWE-1.7, a coding agent trained on a Kimi K2.7 base that scores 42.3% on FrontierCode 1.1 — just behind GPT-5.5's 43.0% — at $1.97 per task running at 1,000 tokens per second via Devin.
Mistral's Robostral Navigate: A State of the Art Robotics Navigation Model
Mistral released Robostral Navigate, an 8B model enabling autonomous robot navigation using only a single RGB camera and plain-language instructions, outperforming multi-sensor systems on R2R-CE.
Google delays Gemini 3.5 Pro to July 17 after complete architectural rebuild
Google DeepMind delayed Gemini 3.5 Pro to July 17, 2026, scrapping the existing 2.5 Pro architecture for a complete rebuild targeting mathematical reasoning and image quality. The model remains in limited Vertex AI enterprise preview.
Streda 8. júla 2026
Nvidia's $1 Trillion Slide Sends Valuation to Pre-AI Boom Levels
Nvidia has lost roughly $1 trillion in market value in less than two months, with its stock now at its cheapest level since before the AI boom started.
Meta Rolls Out Muse, a New AI Image Generator for Ads, Instagram Stories, and WhatsApp
Meta unveiled Muse, an AI image generator from Meta Superintelligence Labs, available free in the Meta AI app and integrated into Instagram Stories and WhatsApp.
Tencent Releases Hy3: Open 295B MoE Model Under Apache 2.0 With 256K Context, Free on OpenRouter Until July 21
Tencent Hunyuan released Hy3 on July 6: an open-source 295B MoE model with just 21B active parameters, a 256K context window, and a permissive Apache 2.0 license with no geographic restrictions.
Report: China's DeepSeek follows OpenAI in developing its own custom inference chips
DeepSeek is developing its own in-house AI chip targeting inference workloads to reduce reliance on Nvidia and Huawei hardware, according to Reuters.
Pondelok 6. júla 2026
Mistral AI Plans New Open-Weight Model Release in July 2026 — Early Access Opening
Mistral CEO Arthur Mensch confirmed the company will open early access to an exciting new open-weight model in July 2026. Mistral is simultaneously in talks for a $3.5B round at a $23B valuation.
Nedeľa 5. júla 2026
GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance
A trending GitHub issue with 107 HN points documents developer complaints about degraded output quality in GPT-5.5 Codex, with the community hypothesis pointing to reasoning-token clustering from RL post-training as the likely cause.
Better Models: Worse Tools
Flask author Armin Ronacher documents a troubling paradox: newer Claude models are less reliable at following non-standard tool call schemas, hallucinating extra fields — likely an artifact of RL training locked to Claude Code's native harness schema.
Meta's upcoming 'Watermelon' AI model reportedly matches OpenAI's GPT-5.5 on key benchmarks
Meta AI chief Alexandr Wang announced at an internal town hall that the new 'Watermelon' model has reached GPT-5.5-comparable performance on key benchmarks — the first internal acknowledgment that Meta is closing the gap with OpenAI.
Sobota 4. júla 2026
Leanstral 1.5: Proof Abundance for All
Mistral AI releases Leanstral 1.5, an open-source (Apache-2.0) Lean 4 formal proof engineering model with 119B total / 6B active parameters. It saturates miniF2F at 100% and solves 587 of 672 PutnamBench problems.