Qwen: Qwen3.5 397B A17B

qwen/qwen3.5-397b-a17b

Qwen3.5 397B A17B is an open-weight heavyweight from Qwen — 397B parameters with 17B active per token, ranking #56 of 262 on the TryAii Score. It's strongest on agentic / tool use (#16 on Tau2-bench). API pricing starts at $0.5/$3.6 per million input/output tokens — about the going rate for its score class, with 9 independent hosts serving it. It's reasonably quick at roughly 43-63 tokens/sec.

Prompt $/1M

$0.500

Completion $/1M

$3.600

Context

262,144 tok

Best provider

188 tok/s · StreamLake

Specs

Model id: qwen/qwen3.5-397b-a17b
Display name: Qwen: Qwen3.5 397B A17B
Modality: text+image+video->text
Tokenizer: Qwen3
Instruct type: —
Context length: 262,144
Max completion: 235,929
Prompt $/1M: $0.500
Completion $/1M: $3.600
Free tier: no

Capabilities

Function callingno
JSON modeno
System promptno
Visionyes
Moderatedno

Benchmark scores

Each axis is one benchmark, normalized to the best model in the field.

No benchmark data for this model.

Speed by provider

Provider	tok/s	TTFT	Total latency
StreamLakefastest	188	512 ms	594 ms
Parasail	69	496 ms	608 ms
Venice	68	925 ms	1,484 ms
GMICloud	58	1,247 ms	1,324 ms
AtlasCloud	58	1,522 ms	1,614 ms
Artificial Analysis	55	1,645 ms	—
Alibaba	51	997 ms	1,112 ms
DeepInfra	45	327 ms	605 ms
Phala	41	1,652 ms	1,977 ms
Novita	30	1,495 ms	1,677 ms
DigitalOcean	15	746 ms	969 ms