| Gemini 4 Carbon | Google DeepMind | 2026-10-28 | Google DeepMind's strongest model, with state-of-the-art cybersecurity capabilities and long-horizon agentic/coding performance. | https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-carbon/ | Yes |
| GPT-6.1 Terra | OpenAI | 2026-10-26 | Fast, efficient model combining detailed visual reasoning and precise computer use with clearer writing; 50% cheaper API prices than GPT-5.6 Terra, over 3x faster than GPT-6 Astra | https://openai.com/index/introducing-gpt-6-1-terra/ | Yes |
| Kimi K3.1 Pro | Moonshot AI | 2026-10-23 | First model in Moonshot's K3.1 series and its most capable 3T-class open-weight model, with a 1M-token context window and substantial gains in coding, 3D creation, financial research, and agentic capabilities. | https://www.kimi.ai/blog/kimi-k3-1-pro | Yes |
| MAI-Base-2 | Microsoft AI | 2026-10-15 | An MoE foundation model with 80 billion active and 2.8 trillion total parameters that outperforms every open-weight model tested on held-out evaluations. | https://microsoft.ai/news/frontier-pre-training-at-microsoft-ai/ | Yes |
| Nemotron 3.5 Super VL | NVIDIA | 2026-10-15 | An open 120-billion-parameter multimodal mixture-of-experts model delivering the fastest task completion and highest accuracy for specialized always-on agents, combining visual reasoning, tool use and code generation for agentic systems. | https://blogs.nvidia.com/blog/nemotron-3-5-super-vl/ | Yes |
| Muse Spark Open | Meta | 2026-10-15 | Meta's most capable US open-weight model to date: a natively multimodal 816B-parameter (42B active) mixture-of-experts with a 1M-token context window, built for coding, agentic work and long-horizon reasoning. | https://research.meta.ai/blog/muse-spark-open | Yes |
| Gemini 4 Argon | Google DeepMind | 2026-10-13 | Google's latest frontier model, it excels at deep work in complex, real-world tasks across coding, finance, legal, cybersecurity, and science, ranking #1 on the Vals Index. | https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-argon/ | Yes |
| Muse Wonder | Meta | 2026-10-12 | Meta's most capable model to date, delivering state-of-the-art performance on personal and professional agentic tasks with Active Memory (carrying context across conversations) and Active Focus (persisting through hard tasks), available via the Meta Model API and Muse Code. | https://about.fb.com/news/2026/10/introducing-muse-wonder-models/ | Yes |