Agnes AI has launched Agnes 2.5 Pro Alpha, a low-priced reasoning model reaching 39 on the Artificial Analysis Intelligence Index at $0.45/$0.90 per 1M tokens
Agnes AI (@agnesai_sapiens) is a Singapore-based AI lab that trains its own full-modality foundation models in-house across text, image, and video, and offers them through a free omni-modal API that has passed 3 million users. Agnes 2.5 Pro Alpha is a text, image, and video input reasoning model with text output.
Agnes 2.5 Pro Alpha scores 39 on the Artificial Analysis Intelligence Index, placing it mid-pack among reasoning models we have tested and below the current proprietary frontier. Its defining characteristic is price: at $0.45 per 1M input tokens and $0.90 per 1M output tokens, Agnes 2.5 Pro Alpha is among the lowest-priced proprietary models at its intelligence level.
Key results:
➤ Agnes 2.5 Pro Alpha debuts at 39 on the Artificial Analysis Intelligence Index, its first appearance on our leaderboard. This places it mid-pack among current reasoning models.
➤ Coding is a relative strength for Agnes 2.5 Pro Alpha, scoring 58.8 on the Coding Index, near the top for its intelligence tier. This is above similarly priced models including DeepSeek V4 Flash (56.2), GPT-5.4 mini (56.1) and Qwen3.7 Plus (55.9), and sits just behind Nex-N2-Pro (59.1).
➤ On academic reasoning, Agnes 2.5 Pro Alpha is competitive for its tier, scoring 32% on Humanity's Last Exam and 88% on GPQA Diamond. Its Humanity's Last Exam result leads similarly priced proprietary models including GPT-5.4 mini (xhigh, 27%) and GPT-5.4 nano (xhigh, 26%), and its GPQA Diamond score is in line with peers near its Intelligence Index.