LLM WORLD

Qwen3.5-397B-A17B

Alibaba Qwen · · 12 days after Qwen3-Coder-Next

Partially verified

2 of 3 published values traced to a source2 primary sources, 2 archived

Why this status

Cited to the lab's own announcement and the official model card. Not verified because the release date could not be found in any cited primary source — the value may be correct, but this dataset cannot yet show where it came from. Licence from the model card's own license field on Qwen/Qwen3.5-397B-A17B.

What these states mean · How records are judged · Has this record changed?

The first Qwen3.5 model released open-weight: a native vision-language MoE with 397B total and 17B active parameters.

open-weightslong-contextflagship

Details

ReleasedFebruary 14, 2026
CompanyAlibaba Qwen
FamilyQwen
Lineageafter Qwen3-235B-A22B · before Qwen3.8-2.4T-A95B
EraAgentic systems
TypeLanguage model · LLM
ModalitiesText → Text
CapabilitiesNot recorded
WeightsOpen weights
LicenceApache-2.0
Context window262K tokens
stated in huggingface.co

Qwen3.5-397B-A17B supports a context window of 262,144 tokens.

Parameters397B
stated in huggingface.co

Qwen3.5-397B-A17B has 397,000,000,000 parameters.

Current information, elsewhere

This record is a historical one: every figure above is traced to a dated primary source. For what is true today — live pricing, current rankings, availability — these are better maintained than anything here could be.

Sources

Record status: partly verified · confidence 80/100 · 2 of 2 primary

Cited to the lab's own announcement and the official model card. Not verified because the release date could not be found in any cited primary source — the value may be correct, but this dataset cannot yet show where it came from. Licence from the model card's own license field on Qwen/Qwen3.5-397B-A17B.

Primary means published by the organisation that made the model. Verified records require at least one.

Qwen family

  1. Qwen1.5-72B February 4, 2024
  2. Qwen2-72B June 7, 2024
  3. Qwen2.5-72B September 19, 2024
  4. QwQ-32B March 6, 2025
  5. Qwen3-235B-A22B April 29, 2025
  6. Qwen3-30B-A3B April 29, 2025
  7. Qwen3-Coder-480B-A35B-Instruct July 22, 2025
  8. Qwen3-Max-Thinking January 23, 2026
  9. Qwen3-Coder-Next February 2, 2026
  10. Qwen3.5-397B-A17B February 14, 2026
  11. Qwen3.6-Plus April 2, 2026
  12. Qwen3.6-35B-A3B April 15, 2026
  13. Qwen3.6-27B April 21, 2026
  14. Qwen3.7-Max May 16, 2026
  15. Qwen3.7-Plus May 21, 2026
  16. Qwen3.8-Max August 3, 2026
  17. Qwen3.8-Flash-Next August 3, 2026
  18. Qwen3.8-27B August 5, 2026
  19. Qwen3.8-2.4T-A95B August 8, 2026
  20. Qwen3.8-Omni-Flash September 18, 2026

What changed from Qwen3-235B-A22B

Compared with the previous release in this series. A field appears only when both records state a value — where one does not, it is listed as uncomparable rather than dropped, because a gap in our research is not a finding about the model.

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