Qwen3.5 397B A17B
Qwen · Open weights · Released Feb 16, 2026 · qwen/qwen3.5-397b-a17b
262K contextVisionToolsReasoningStructured outputPrompt cachingOpen weights
Available from 10 providersUSD / MTOK · VERIFIED 12 HOURS AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
| PROVIDER | INPUT | OUTPUT | CACHE | CONTEXT | QUANT | TTFT | TPS | SMOKE | UPTIME |
|---|---|---|---|---|---|---|---|---|---|
 Alibaba | $0.39 | $2.34 | — | 262K | — | 0.92s | 89 tok/s | 5/5 | 100.0% |
 DeepInfra | $0.45 | $3.00 | $0.22 | 262K | fp8 | 1.3s | 25 tok/s | 2/5 | 99.3% |
 Parasail | $0.50 | $3.60 | $0.30 | 262K | fp8 | 0.76s | 107 tok/s | 2/5 | 100.0% |
| DIDigitalOcean | $0.55 | $3.50 | $0.111 | 131K | — | 1.4s | 13 tok/s | 2/5 | 99.8% |
| ATAtlasCloud | $0.55 | $3.50 | $0.55 | 262K | fp8 | 1.1s | 107 tok/s | 5/5 | 99.5% |
| PHPhala | $0.55 | $3.50 | $0.225 | 262K | — | 1.2s | 75 tok/s | 2/5 | 95.3% |
 Novita | $0.60 | $3.60 | — | 262K | — | 0.94s | 108 tok/s | — | 99.7% |
| GMIGMICloud | $0.60 | $3.60 | — | 262K | fp8 | ✕ | ✕ | — | 0.0% |
| STStreamLake | $0.60 | $3.60 | $0.12 | 256K | — | 1.3s | 177 tok/s | — | 99.0% |
 Venice | $0.75 | $4.50 | — | 128K | — | 1.1s | 108 tok/s | — | 99.7% |
TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · SMOKE: of 5 programmatic capability probes passed (JSON schema, instruction following, tool call, long-context, benign compliance; retry-once) · screened via OpenRouter routing · v0.1 · methodology v1.1 · measured 42 hours ago
About
The Qwen3.5 series 397B-A17B native vision-language model is built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. It delivers...
Specifications
Context window262,144
Max output65,536
Modalities intext, image, video
Modalities outtext
LicenseOpen weights
ReleasedFeb 16, 2026
TokenizerQwen3
WeightsHugging Face ↗
Open weights
safetensors
Related
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[](https://modelindex.ai/models/qwen/qwen3.5-397b-a17b)Sources
OpenRouter API12 hours ago
AGGREGATORHugging Face12 hours ago
COMMUNITYModelIndex benchmarks42 hours ago
MEASUREDVerified 12 hours ago · list prices, not negotiated rates.