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Qwen3-4B-Instruct-2507

Alibaba · Qwen Small line · lightweight · open weights

Released August 6, 2025Replaced by Qwen 3.5 Small

Qwen3-4B-Instruct-2507 was released by Alibaba on August 6, 2025, as an open-weights lightweight model in the Qwen Small line.

  • Release 1 of 2 in the Qwen Small line.
  • The first release in this line.
  • Replaced by Qwen 3.5 Small on March 2, 2026, 208 days later.
  • These days the line ships a new model about every 208 days.

No detailed card for this model: we only add numbers published by the maker or by independent benchmarks. Sources: GitHub (QwenLM) · Hugging Face

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Where the Qwen Small line stands

Qwen 3.5 Small is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

Qw

Qwen 3.5 Small

Alibaba · Qwen Small line · lightweight · open weights
Past its usual gap220 days since the last release — usual gap is 208
Released Mar 2, 2026 · what changed →
Days since last release
Qwen 3.5 Small · Mar 2, 2026
220
days
Usual gap
208
days
Recent gaps
Qwen 3.5 Small · Mar 2026
208

Every Qwen Small release

Newest first. See the full line with every card →

  1. Mar 2, 2026Qwen 3.5 Small
  2. Aug 6, 2025Qwen3-4B-Instruct-2507 · this page