GPT-5.1 vs Qwen-Flash
Compare GPT-5.1 and Qwen-Flash. Find out which model is better for your specific use case and requirements.
Model Comparison
| Feature | GPT-5.1 | Qwen-Flash |
|---|---|---|
| Provider | OpenAI | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 400,000 tokens | 1,000,000 tokens |
| Input Cost | $1.25/ 1M tokens | $0.02/ 1M tokens |
| Output Cost | $10.00/ 1M tokens | $0.22/ 1M tokens |
Strengths & Best Use Cases
GPT-5.1
OpenAI1. Configurable Reasoning for Agentic Tasks
- Built to excel in autonomous or semi-autonomous coding workflows, with adjustable reasoning effort for planning, refactoring and debugging.
2. Fast Multi-Modal Input with Large Output
- Accepts both text and image inputs while producing text outputs.
- Offers up to 128 k output tokens, allowing long responses and code generation across multiple files.
3. Large Context & Knowledge Cut-Off
- 400 k token context window supports processing large codebases or documents.
- Knowledge cut-off of Sep 30 2024 ensures familiarity with recent tools and frameworks.
4. Reasoning Token Support
- Provides explicit support for reasoning tokens, enabling developers to fine-tune the balance between reasoning depth and speed.
Qwen-Flash
Alibaba Cloud1. Ultra-fast, ultra-cheap
- Designed for mass-scale workloads.
- Excellent for rewriting, extraction, classification.
2. Limited reasoning but great utility
- High throughput, low latency.
3. Optional thinking mode
- Adds chain-of-thought when needed.
4. Supports context cache & batch calls
- Very cost-effective system design.
Try These Prompts
Discover AI prompts that work great with these models. Use them to build powerful AI tools on Appaca.
Best for GPT-5.1
textSupport Ticket Detective: Bucket Audience Problems
Turn support tickets, FAQs, and customer emails into thematic pain-point buckets with headline ideas for each.
Instagram Caption Generator
Generate engaging Instagram captions that boost engagement and grow your following with scroll-stopping hooks and strategic hashtags.
Sales Call Script Generator
Create effective sales call scripts with discovery questions, objection handling, and closing techniques.
Best for Qwen-Flash
textContent Marketing Strategy (Thought Leadership)
Create a persona-first content strategy that positions your brand as a thought leader and connects your USP to the challenges you solve.
Lead Scoring System (USP Engagement + Pain Signals)
Design a lead scoring model that prioritizes prospects based on engagement with USP messaging and signals of persona challenge severity.
Thought Leadership Series (Challenges → Framework)
Develop a thought leadership series that addresses persona challenges and showcases your expertise and USP.
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