Create personal apps powered by AI models

Get started free
LLM ComparisonGPT-5.1Qwen3-Flash

GPT-5.1 vs Qwen3-Flash

Compare GPT-5.1 and Qwen3-Flash. Build AI products powered by either model on Appaca.

Model Comparison

FeatureGPT-5.1Qwen3-Flash
ProviderOpenAIAlibaba Cloud
Model Typetexttext
Context Window400,000 tokens1,000,000 tokens
Input Cost
$1.25/ 1M tokens
$0.02/ 1M tokens
Output Cost
$10.00/ 1M tokens
$0.22/ 1M tokens

Put these models to work for you

Create personal apps and internal tools powered by GPT-5.1, Qwen3-Flash, and 20+ other AI models. Just describe what you need — your app is ready in minutes.

Strengths & Best Use Cases

GPT-5.1

OpenAI

1. 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.

Qwen3-Flash

Alibaba Cloud

1. Enhanced Flash-generation performance

  • Better factual accuracy and reasoning.

2. Very inexpensive

  • Perfect for high-volume automation and micro-agents.

3. Hybrid thinking mode

  • Not typical for small models.

4. Large context capacity

  • Up to 1M tokens.

Ready to put GPT-5.1 or Qwen3-Flash to work?

Create personal apps and internal tools on Appaca in minutes. No coding required.

The platform for your ideal software

Use Appaca to to do the most with any software you need, just for your use case.