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Model Library
/Qwen/Qwen3.5 27B
model path:accounts/fireworks/models/qwen3p5-27b

Qwen3.5-27B (Qwen Chat) is a post-trained, chat-optimized large language model released in Hugging Face Transformers format. It’s designed for strong general-purpose performance across reasoning, coding, and agentic tasks, and is compatible with popular inference stacks like Transformers, vLLM, and SGLang. Qwen3.5 emphasizes improved efficiency and scalability, with broader multilingual coverage and training advances aimed at high-utility real-world deployment.

Qwen3.5 27B API Features

Fine-tuning

Docs

Qwen3.5 27B 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 27B on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
3/2/2026
Kind
Base model
Provider
Qwen
Hugging Face
Qwen/Qwen3.5-27B

Specification

Calibrated
No
Mixture-of-Experts
No
Parameters
27.3B

Supported Functionality

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