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Get started freeGPT-5.2 Codex vs Qwen-Long
Compare GPT-5.2 Codex and Qwen-Long. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5.2 Codex | Qwen-Long |
|---|---|---|
| Provider | OpenAI | Alibaba Cloud |
| Model Type | text | text |
| Context Window | 400,000 tokens | 10,000,000 tokens |
| Input Cost | $1.75/ 1M tokens | $0.07/ 1M tokens |
| Output Cost | $14.00/ 1M tokens | $0.29/ 1M tokens |
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Kelvin Htat
Business
Apps
New appStrengths & Best Use Cases
GPT-5.2 Codex
OpenAI1. Optimized for Long-Horizon Coding Tasks
- OpenAI describes GPT-5.2 Codex as a highly intelligent coding model built for long-horizon, agentic coding work.
- Well suited to planning, refactoring, debugging, and multi-step implementation flows inside real codebases.
2. Adjustable Reasoning for Coding Work
- Supports configurable reasoning effort from low to xhigh depending on speed and quality needs.
- Accepts both text and image inputs while producing text output.
3. Large Context + Long Output
- 400 k token context window supports broad repository understanding and larger working sets.
- Allows up to 128 k output tokens for longer patches, code generation, and technical explanations.
4. Up-to-Date Model Snapshot
- Knowledge cut-off of Aug 31 2025 keeps it current with newer tools and frameworks.
- Supports streaming, function calling, and structured outputs for tool-driven coding workflows.
Qwen-Long
Alibaba Cloud1. Extremely long context window
- Up to 10 million tokens.
2. Ideal for document-heavy workflows
- Legal, financial, RAG, compliance, research.
3. Low-cost for large-scale ingestion
- Optimized pricing for big inputs.
Prompts to Get Started
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Best for GPT-5.2 Codex
textDefinition of Done
Write a team's Definition of Done for sprint work and releases.
Professional Email Draft
Draft a clear and professional email for any workplace situation.
Professional Email Rewriter
Rewrite your rough drafts into polished, professional emails suitable for any business context.
Best for Qwen-Long
textProperty Inspection Notice to Tenant
Notify a tenant of an upcoming property inspection. Professional, respectful, and compliant with standard notice requirements.
Risk Register Template
Create a risk register to identify, assess, and mitigate project risks.
Seasonal Campaign Copy
Write marketing copy for a seasonal sale or holiday campaign.