Anthropic released Claude Opus 5.5, the first model in the Claude 5.5 family. The company says it performs at Fable 5.1 level on most work and costs 40% less to run than Opus 5 at default settings.
OpenAI announced GPT-6 Sol and Luna. Both run at half the price of their predecessors, with no large jump in capability. The company's pitch is price-performance.
xAI released Grok 4.7, its new flagship for coding and agentic work, at the same price as Grok 4.6. The company's chart shows a big jump; an independent index places it mid-pack.
Google DeepMind released two new audio models. Both are native speech-to-speech and priced at 1.38 dollars an hour, well under the rival offering.
Qwen3.8-Flash-Next has 125 billion parameters but activates only 6 billion per token. It outperforms a model three times its active size.
Alibaba says it beats the larger previous model at roughly one-ninth the training cost. The release is framed as an architecture preview of Qwen4.