Artificial intelligence · February 2026

Qwen3.5

A natively multimodal open model with only 17B active parameters.

Alibaba released Qwen3.5-397B-A17B under Apache 2.0, trained from the start on text, images and video. It kept Chinese open-weight models close to the closed frontier at a fraction of the inference cost.

See it in the living tree Wikipedia Source

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

Qwen3 2025
Mixture of experts 1991

Related measurements

The dashed line marks when it first worked.

Best AI score on GPQA Diamond Latest: 95.8 % correct (2026) Source: Epoch AI, Capabilities & benchmarking (benchmark_data.zip, gpqa_diamond.csv); Anthropic: Claude 3 public launch (March 4, 2024)

Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)