Anthropic’s new Claude Opus 5.5 promises improved performance, accuracy, communication, and stronger safety safeguards. The model generates responses over 30% faster and costs roughly 40% less to run ...

Opus 5.5 is built around complex, multi-step work, particularly agentic coding, computer use and professional knowledge tasks. Anthropic says one early tester used the model to complete a 680,000-line ...

Also today, OpenAI released GPT-6 Sol and GPT-6 Luna, two lower-cost members of its GPT-6 family. Sol costs $2 per million input tokens and $10 per million output tokens — exactly half Opus 5.5’s base ...

Anthropic’s newest model, Opus 5.5, was released on Tuesday, setting a new state-of-the-art in coding and knowledge work performance, according to the company. Opus is the most capable and expensive ...

SpaceXAI has launched Grok 4.7, describing it as its most capable model for coding and knowledge work. It works longer on difficult tasks and checks its own work more carefully. The model is available ...

SpaceXAI on September 21, 2026 released Grok 4.7, its newest model for coding and knowledge work, priced from $2 per million input tokens and $6 per million output tokens. In the release announcement, ...

Token prices and benchmark scores for Grok 4.7, Grok 4.6, GPT-5.6 Sol, and Fable 5.1. Benchmarks are CursorBench 4.0, DeepSWE v1.1, EEBench, AA Briefcase v1.1, Terminal-Bench 4.0, Harvey Legal Agent ...

SWE-2 builds on the infrastructure and recipe behind SWE-1.7, which was post-trained from Kimi K2.7. This time Cognition scaled RL to the multi-trillion-parameter regime, using a base model with ...

Anthropic launched Claude Fable 5.1 and Claude Mythos 5.1 models. They are designed for coding, knowledge work and long-running problem-solving tasks. Claude Fable 5.1 is generally available, while ...

Anthropic has rolled out two new frontier AI models, Claude Fable 5.1 and Claude Mythos 5.1, positioning them as the most capable systems yet for software development, enterprise knowledge work, and ...

Looking ahead: Anthropic has released Claude Fable 5.1, making its newest flagship model available through its API, cloud platforms and the Claude desktop app. It also released Mythos 5.1, a version ...

Google’s artificial-intelligence research unit is set to release a new model with significantly upgraded coding capabilities, according to employees, potentially shoring up an area where the company ...