Foundation Models - News Articles

Anthropic Cuts Claude Opus 5.5 Token Prices, Says Typical Coding Sessions Cost 31% Less

Sep 23, 2026

Claude

Anthropic cuts Claude Opus 5.5 token prices—20% for input and output and 60% for cache reads—saying a representative Claude Code session now costs $2.40 versus $3.50 on Opus 5.

Coding & Developer Tools Foundation Models

OpenAI Launches GPT-6 Sol and Luna at About Half the Price of Predecessors

Sep 23, 2026

The Deep View

OpenAI launches GPT-6 Sol and Luna at roughly half the prior generation’s price, with Sol costing $2 per million input tokens and $10 per million output tokens while claiming benchmark wins over Claude Opus 5.

Foundation Models

Anthropic Unveils Claude Opus 5.5, Its Strongest Behavioral-Alignment Model Yet

Sep 23, 2026

The Deep View

Anthropic unveils Claude Opus 5.5 as its strongest behavioral-alignment model, restricting its use for cybersecurity and biology tasks to vetted organizations while pricing it at $4 per million input tokens and $20 per million output tokens.

AI Safety Foundation Models Security Science

Alibaba Unveils Zhenwu V900, Calls It China’s Most Powerful AI Chip to Challenge Nvidia

Sep 23, 2026

Bloomberg.com

Alibaba unveils its T-Head-designed Zhenwu V900 AI accelerator, claiming it is China’s most powerful chip and can be clustered in systems of up to 500,000 units to train frontier models in a challenge to Nvidia.

Hardware Foundation Models Geopolitics

Anthropic and OpenAI cut flagship AI model prices as OpenAI claims math breakthroughs

Sep 23, 2026

The Rundown AI

Anthropic and OpenAI slash flagship AI model prices—Claude Opus 5.5 costs 40% less and GPT-6 Sol and Luna half as much—while OpenAI says an internal system has solved more than 100 open math problems since Aug. 28.

Foundation Models Science Education

OpenAI Claims Its Model Solves 100-Plus New Open Math Problems, Forms Independent IAS Advisory Group

Sep 22, 2026

TechCrunch

OpenAI says its internal model solves more than 100 additional open mathematics problems and creates an independent IAS-based advisory group of nine mathematicians, who will assess results and can publicly disagree with the company.

Science Foundation Models AI Safety

Xiaomi Unveils MiMo-V2.6, Claiming Major Reinforcement-Learning Gains Across Coding, Design and Cybersecurity

Sep 22, 2026

alphaXiv

Xiaomi unveils MiMo-V2.6, an omni-modal AI model family it says significantly improves coding, design and cybersecurity through groupwise reinforcement learning, with its Pro version reaching 72.6 average@3 on DeepSWE v1.1 after the team freezes an unstable Mixture-of-Experts router.

Foundation Models Research Coding & Developer Tools Security

Bespoke Labs launches Nimble, an open 9B local model for typed text decisions with answer probabilities

Sep 22, 2026

GitHub

Bespoke Labs launches Nimble, an open 9B-parameter local model that makes typed boolean or enum text decisions with answer probabilities, matching 292 of 324 held-out labels while limiting inputs to 2,048 tokens and schemas to 26 choices.

Foundation Models Open Source

Jared Palmer Releases Kev, Open Qwen3.5-Based Decision Models for Local Use and Fine-Tuning

Sep 22, 2026

GitHub

Jared Palmer releases Kev, an open Qwen3.5-based family of 0.8B, 4B and 9B decision models for local deployment and fine-tuning, with calibrated Kev-9B cutting confident errors on new sources from 8.7% to 4.0% while retaining accuracy.

Open Source Foundation Models Research

OpenAI Claims New Internal Model Solves Navier–Stokes Millennium Problem and 100-Plus Open Math Questions

Sep 22, 2026

OpenAI

OpenAI claims an internal model beginning training August 28 solves the Navier–Stokes Millennium Prize problem and more than 100 open math questions, while an unpaid Institute for Advanced Study-hosted advisory group is set up to independently scrutinize and publicly challenge its results.

Science Foundation Models Research AI Safety