Frontier means one entry per flagship launch from a lab competing for state of the art: OpenAI, Anthropic, Google, xAI, Meta, DeepSeek, Alibaba, Moonshot and Zhipu. Smaller variants, previews of the same model and same-day siblings are left out.
Average time between releases in each year: days in the year divided by releases that year. Log scale. 2026 runs to 30 September. Hover or tap the graphs for details.
The last three months, one day at a time.
Every model.
Download the data (JSON)Drag across the timeline to pick your own range.