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
textCompetitor Gap Finder: Unserved Audience Pain Points
Identify pain points your competitors likely ignore and explain why addressing them builds trust and differentiation.
Content 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.
LinkedIn Post Generator
Create professional LinkedIn posts that establish thought leadership, drive engagement, and grow your network.
Best for Qwen-Flash
textZero-Click SERP ROI Strategy
Build an SEO strategy to generate business value even when the SERP answers the question (snippets, PAA, AI overviews).
Dead Lead Re-Engagement Campaign (3 Emails)
Write a 3-email re-engagement sequence to revive cold buyer/seller leads using a check-in, a value add market update, and a break-up email.
Value-Added Service Inquiry (Pre-Arrival Email)
Write a polite pre-arrival email to request fee waivers or courtesy upgrades like premium Wi‑Fi and early check-in.
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