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Qwen1.5-110B
Qwen1.5-110B
Open, Capable & Multilingual
What is Qwen1.5-110B?
Qwen1.5-110B is the most powerful open-weight model in the Qwen1.5 family by Alibaba Cloud, featuring 110 billion parameters and built for AI at scale. With state-of-the-art architecture, it delivers unmatched performance in natural language understanding, code generation, and multilingual reasoning.
Released under an open-weight license, Qwen1.5-110B empowers researchers, developers, and enterprises to create large-scale, high-impact AI systems without black-box constraints.
Key Features of Qwen1.5-110B
Use Cases of Qwen1.5-110B
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What are the Risks & Limitations of Qwen1.5-110B
Limitations
- Cost Inefficiency: High GPU-hour cost compared to 2026 MoE models.
- Deployment Lag: Very slow to load and initialize in cloud environments.
- Reasoning Plateau: Logic does not scale linearly with parameter size.
- Instruction Rigid: Requires precise prompt engineering to stay focused.
- Creative Limits: Struggles with irony, sarcasm, and complex humor.
Risks
- Outdated Logic: Lacks the "Thinking" mode found in modern QwQ models.
- Data Hallucination: High parameter count leads to "over-memorization."
- Adversarial Vulnerability: Susceptible to complex roleplay-based bypass.
- Energy Demand: Inefficient for simple tasks compared to 8B models.
- Support Cutoff: Limited documentation compared to the new Qwen 3 line.
Benchmarks of the Qwen1.5-110B
Parameter
- Quality (MMLU Score)
- Inference Latency (TTFT)
- Cost per 1M Tokens
- Hallucination Rate
- HumanEval (0-shot)
Qwen1.5-110B
- 82.8%
- Not consistently reported
- ~$0.70–$1 per 1M tokens
- ~17–23%
- Not directly reported
Cloud Hosting
Access the 110B model via Alibaba Cloud’s DashScope, as hosting this locally requires significant enterprise hardware.
Model Identification
Select "qwen1.5-110b-chat" from the list of available large-scale models in the API documentation.
Set Permissions
Configure your RAM and token limits in the cloud console to prevent unexpected billing on this high-resource model.
Payload Creation
Format your JSON request with the model parameter set to the 110B variant and include your system instructions.
Context Management
Take advantage of the 110B's superior reasoning by providing multi-turn conversation history in your request.
Verify Accuracy
Check the model’s performance on complex logical reasoning tasks where smaller versions typically struggle.
Pricing of the Qwen1.5-110B
Qwen1.5-110B, Alibaba Cloud's flagship 110 billion parameter language model (released April 2024), is open-source under Apache 2.0 license via Hugging Face with no licensing or download fees for commercial/research use. The largest model in Qwen1.5 series with grouped query attention (GQA) and 32K context window supports 10+ languages, requiring substantial VRAM for deployment: FP16 needs ~220GB (8x H100s ~$16-32/hour cloud), 4-bit quantized ~55GB (2x A100s ~$4-8/hour RunPod) processing 15K+ tokens/minute via vLLM.
Hosted APIs position it in premium 100B+ tiers: Alibaba Cloud DashScope charges ~$1.50 input/$3.00 output per million tokens, Together AI/Fireworks ~$1.20/$2.40 blended (batch 50% off), OpenRouter $1.30/$2.60 with caching; Hugging Face Endpoints $3-6/hour H100 (~$1.20/1M requests autoscaling). Optimizations yield 60-80% savings for multilingual coding/RAG outperforming Llama3-70B base.
Achieving competitive MMLU (82.2%), superior MT-Bench/AlpacaEval 2.0 vs Qwen1.5-72B via enhanced tokenizer and alignment, Qwen1.5-110B delivers GPT-4 level multilingual chat at ~15% frontier rates for 2026 enterprise apps.
In a world demanding open, explainable, and high-performing AI, Qwen1.5-110B sets the new standard. It’s built to scale with your ambitions whether you're deploying globally or fine-tuning locally.
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Frequently Asked Questions
To run the 110B model using GPTQ or AWQ 4-bit quantization, developers typically need around 80GB of VRAM. A single NVIDIA A100 (80GB) or two A60 (48GB) cards are recommended to accommodate the weights while leaving sufficient headroom for the KV cache during generation.
The model uses a tokenizer with a vocabulary of over 150k tokens, which is highly efficient for non-English languages and specialized code syntax. This results in fewer tokens per string, lower latency, and higher semantic density, allowing the model to "understand" complex logic with less computational overhead.
Yes, the 110B model serves as an excellent teacher for distillation. Developers can use its high-fidelity outputs to generate synthetic datasets for training smaller models, effectively transferring its superior reasoning and world knowledge into more lightweight, edge-compatible architectures.
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