Qwen3.5-397B-A17B

ActiveAlibaba Cloud (Qwen)alibaba/qwen3-5-397b-a17b2 platforms

Shutting down. Qwen3.5-397B-A17B shuts down on Azure AI Foundry on Jul 1, 2027. Alibaba Cloud (Qwen) names MiniMax-M3 as the replacement.

9 mo

Dates on every platform

2 listings · a floor is the earliest possible date

Qwen3.5-397B-A17B on each platform: model ID, status, dates, replacement and source
Platform	Model ID and status	Deprecated	Shuts down	Replacement
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026	`FW-Qwen3.5-397B-A17B:1`Active	–	Jul 1, 20279 mo	–
Together AITogether AI: Changelog (opens in a new tab) · checked Oct 14, 2026	`Qwen/Qwen3.5-397B-A17B`Shut down	–	Jun 29, 2026Shut down	MiniMax-M3

Served by Fireworks through Foundry. Fireworks per-token models carry a 15-day retirement notice.

Availability
Requests to the removed serverless model ID fail. The model can still run on an on-demand dedicated endpoint, billed per minute.
Qwen3.5-397B-A17B to MiniMax-M3 · Together AI · Jun 29, 2026

Third-party results, credited below

Third-party benchmark scores for Qwen3.5-397B-A17B
Benchmark	Publisher	Score	Rank	Published
Arena Text	Arena	1,442 ± 2	#48 of 128	Oct 8, 2026
GPQA Diamond	Epoch AI	86.4% ± 2.4%	#51 of 108	Aug 7, 2026
Arena WebDev	Arena	1,400 ± 3	#45 of 69	Oct 8, 2026
FrontierMath Tiers 1-3	Epoch AI	31.2% ± 2.7%	#57 of 71	Aug 30, 2026
OTIS Mock AIME 2024-2025	Epoch AI	88.9% ± 4.7%	#47 of 105	Aug 7, 2026

Arena (arena.ai), https://arena.ai/leaderboard

Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].

Jun 29, 2026ShutdownQwen3.5 397B leaves Together serverlessTogether AI1 break

Together removed Qwen/Qwen3.5-397B-A17B from serverless inference and recommends MiniMax-M3.

AvailabilityRequests to the removed serverless model ID fail. The model can still run on an on-demand dedicated endpoint, billed per minute.

Qwen/Qwen3.5-397B-A17B model card(opens in a new tab)Qwen · checked Oct 14, 2026
Model retirement schedule - Microsoft Foundry(opens in a new tab)Microsoft · checked Oct 14, 2026
Changelog(opens in a new tab)Together AI · checked Oct 14, 2026
Deprecations(opens in a new tab)Together AI · checked Oct 14, 2026
Arena leaderboard dataset(opens in a new tab)Arena · checked Oct 14, 2026 · Arena (arena.ai), https://arena.ai/leaderboard
Epoch AI Benchmarking Hub(opens in a new tab)Epoch AI · checked Oct 14, 2026 · Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].