Models
New models, releases and benchmarks · 3 stories
Mistral previews Large 4, a 1-trillion-parameter open-weight model built in Europe
Mistral opened a hosted preview of Large 4 on October 6: a multimodal mixture-of-experts model with 1.05 trillion parameters, a 1-million-token context window and open weights promised before the end of the month.
Anthropic launches Claude Haiku 5.5, a small model priced about 75% cheaper than its predecessor
On October 7 Anthropic released Claude Haiku 5.5, calling it its cheapest, fastest and most capable small model, with list prices of $0.10 / $0.50 per million tokens for typical prompts and a claimed ~75% drop in average running cost versus Haiku 4.5.
OpenAI launches GPT-6.1 Sol at one-fifth of Astra's price and shelves GPT-6.1 Astra over safety concerns
At DevDay on September 29, OpenAI released GPT-6.1 Sol, priced at $2 per million input tokens and $10 per million output tokens. It also cancelled the planned October launch of GPT-6.1 Astra after internal safety tests.