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Qwen3.5 397B A17B

Ready
model path:accounts/fireworks/models/qwen3p5-397b-a17b

The model is served on Fireworks AI in beta mode, constrained generation & tool calls are not yet fully supported.

Qwen3.5 397B A17B API Features

Fine-tuning

Docs

Qwen3.5 397B A17B can be customized with your data to improve responses. Fireworks uses LoRA to efficiently train and deploy your personalized model

On-demand Deployment

Docs

On-demand deployments allow you to use Qwen3.5 397B A17B on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
18 FEB, 2026
Kind
Base model
Provider
Qwen

Specifications

Calibrated
Yes
Mixture-of-Experts
Yes
Parameters
396B

Supporting Functionality

Fine-tuning
Supported
Serverless
Not Supported
Context Length
262k tokens
Function Calling
Supported
Embeddings
Not Supported
Rerankers
Not Supported
Supporting image input
Supported