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QwenQwen3.5 397B A17B

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Qwen3.5-397B-A17B is an open-weight vision-language model published by Qwen.

Token context
262K tokens
Inputs
Text, Image
Outputs
Text
Released
Feb 15, 2026

Benchmark Market Position

Intelligence, Cost, and Efficiency

All rankings →

Intelligence

Rank #24 of 57

  1. 100.0*Claude Opus 5.5
  2. 99.0Claude Fable 5.1
  3. 90.9*GPT-5.5 Pro
  4. 90.0Gemini 3.8 Flash
  5. 85.9GPT-6.1 Sol
  6. 84.6GPT-6 Astra
  7. 83.4*Qwen3.8 Max
  8. 83.3*DeepSeek V4.1 Flash
  9. 82.1Gemini 3.1 Pro
  10. 77.3GPT-5.6 Terra
  11. 74.0*Grok 4.7
  12. 73.5*ERNIE 5.1
  13. 73.3Kimi K3
  14. 71.9*GLM 5.3
  15. 67.5*Qwen3.8 Flash
  16. 64.3*Grok 4.20 Multi Agent
  17. 63.3*Qwen3.7 Plus
  18. 63.1*Claude Sonnet 5
  19. 57.9*DeepSeek V4 Pro
  20. 56.2*GLM 5.3 Flash
  21. 54.6*Mistral Large 4
  22. 54.3*Gemma 4 31B
  23. 52.2Qwen3.8 27B
  24. 50.5*Qwen3.5 397B A17B
  25. 50.1*Hy3
  26. 47.4*Gemma 4 26B A4B
  27. 47.4Inkling
  28. 43.0*Mistral Large 3
  29. 42.3GPT-6 Luna
  30. 37.8*NVIDIA Nemotron 3 Ultra 550B A55B BF16
  31. 35.2*Inkling Small
  32. 33.9*MiniMax M3
  33. 27.0*Kimi K2.7 Code
  34. 25.1*Grok Build 0.1
  35. 20.8GPT-5.4 Mini
  36. 17.8Gemini 3.5 Flash Lite
  37. 17.2*Qwen3.5 35B A3B
  38. 15.7GPT-5.4 Nano
  39. 12.8*Muse Glimmer 30B
  40. 11.7*Solar Pro 4
  41. 9.3*Claude Haiku 4.5
  42. 0.4*DeepSeek R1
  43. 0.0*Olmo 3 32B Think
  44. 0.0*Nova 2 Lite
  45. 0.0*Command A
  46. 0.0*Granite 4.2 30B
  47. 0.0*Granite 4.2 3B
  48. 0.0*Granite 4.2 8B
  49. 0.0*Llama 4 Maverick 17B 128E Instruct
  50. 0.0*Llama 4 Scout 17B 16E Instruct
  51. 0.0*phi-4
  52. 0.0*NVIDIA Nemotron 3 Nano 30B A3B BF16
  53. 0.0*NVIDIA Nemotron 3.5 Lightning 30B A3B
  54. 0.0*GPT-4o
  55. 0.0*GPT-4o Mini
  56. 0.0*gpt-oss-120b
  57. 0.0*gpt-oss-20b
* Provisional: fewer than 3 sources
View full ranking →

Cost

Not ranked in current cohort

Cost not rankedPublished LiveBench output tokens and a current USD output rate are both required.
View full ranking →

Efficiency

Not ranked in current cohort

Efficiency not rankedBoth an eligible intelligence score and a comparable cost estimate are required.
* Provisional: fewer than 3 sources
View full ranking →

The orange outline marks Qwen3.5 397B A17B. Each available panel preserves its real rank and value; missing benchmark or pricing inputs remain explicitly unranked.

Providers & Pricing

Estimate workload cost →
ProviderInput / 1MOutput / 1MCache read / 1MCache write / 1MObservedEvidence
$0.45$3.00$0.22—Oct 19, 2026Provider-reported
$0.50$3.60$0.30—Oct 19, 2026Provider-reported

Benchmarks

All benchmark results →
LMArena Text Arenatext-2026-10-15-a64ca3b12b6e1,437.72rating—93,567qwen3.5-397b-a17b; 95% CI [1434.65086689, 1440.78699055]; votes 93567; rank 81unknownOriginal sourcewinner eligibleThird-party benchmark
LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e1,262.52rating—32,058qwen3.5-397b-a17b; 95% CI [1257.19517602, 1267.83577721]; votes 32058; rank 54unknownOriginal sourcewinner eligibleThird-party benchmark

At a Glance

Model Facts

Identity

Status
active
Developer ID
Qwen/Qwen3.5-397B-A17B
Released
Feb 15, 2026
Version
Qwen3.5-397B-A17B
License
apache-2.0

Capacity

Token context
262K tokens
Maximum output
Unknown
Total parameters
403.4B
Active parameters
17B
Knowledge cutoff
Not reported

Interface and Access

Inputs
Text, Image
Outputs
Text
API available
Yes
Open weights
Yes
Self-hostable
Yes
Reasoning
Yes
Vision
Yes
Tool calling
Yes
Capabilities
chat, generation, reasoning, tools

This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.

Version Lineage

PredecessorUnknown
SuccessorsUnknown
AliasesQwen/Qwen3.5-397B-A17B, Qwen/Qwen3.5-397B-A17B

Explicit Unknowns

  • Maximum output
  • Knowledge cutoff

Primary Evidence

Sources and Observation Date

Qwen/Qwen3.5-397B-A17B developer model repositoryQwen · observed Aug 28, 2026Qwen/Qwen3.5-397B-A17B README.md at 8472618112abQwen · observed Aug 28, 2026Deepinfra catalogDeepinfra · observed Oct 19, 2026OpenRouter qwen/qwen3.5-397b-a17b model APIOpenRouter · observed Aug 28, 2026Qwen/Qwen3.5-397B-A17B Hugging Face inference-provider mappingHugging Face · observed Aug 28, 2026Qwen/Qwen3.5-397B-A17B config.json at 8472618112abQwen · observed Aug 28, 2026Qwen/Qwen3.5-397B-A17B immutable Hub API metadataQwen · observed Aug 28, 2026Qwen3.5: Towards Native Multimodal AgentsQwen · observed Aug 28, 2026Qwen/Qwen3.5-397B-A17B tokenizer_config.json at 8472618112abQwen · observed Aug 28, 2026Hugging Face catalogHugging Face · observed Sep 2, 2026Openrouter catalogOpenrouter · observed Oct 19, 2026Together Ai catalogTogether Ai · observed Oct 19, 2026

Comparable Peers

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Questions

Qwen3.5 397B A17B FAQs

What is Qwen3.5 397B A17B?+

Qwen3.5-397B-A17B is an open-weight vision-language model published by Qwen. It is developed by Qwen and its current sourced lifecycle status is active.

What inputs and outputs does Qwen3.5 397B A17B support?+

Qwen3.5 397B A17B's current record lists Text and Image as input and Text as output.

How much context does Qwen3.5 397B A17B support?+

The current record lists a 262K-token context window and does not report a maximum output length.

Is Qwen3.5 397B A17B available through an API?+

Qwen3.5 397B A17B is marked as API-available. The directly sourced provider records currently include Deepinfra, Hugging Face, Openrouter, and Together Ai.

How large is Qwen3.5 397B A17B?+

The current record lists 403.4B total parameters and 17B active parameters. Its architecture is Qwen3_5MoeForConditionalGeneration.

What capabilities and tasks does Qwen3.5 397B A17B support?+

Qwen3.5 397B A17B's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are image and text.

How much does Qwen3.5 397B A17B cost through an API?+

The lowest directly sourced prices currently attached to Qwen3.5 397B A17B are $0.45 per million input tokens through Deepinfra and $3.00 per million output tokens through Deepinfra. Prices are provider-specific and should be checked against each cited observation date.

Can Qwen3.5 397B A17B be self-hosted?+

Qwen3.5 397B A17B is an open-weight model. Self-hosting is supported, and the recorded license is apache-2.0.

Does Qwen3.5 397B A17B have related versions or aliases?+

No predecessor is recorded. No successor is recorded. Recorded aliases are Qwen/Qwen3.5-397B-A17B.

Which models can Qwen3.5 397B A17B be compared with?+

The current compatible peer set includes Qwen3.8 Max, NVIDIA Nemotron 3 Ultra 550B A55B BF16, Qwen3.8 2.4T A95B, Qwen3.8 27B, and Llama 3.1 405B. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →

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