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Get started freeGPT-5.1 vs Grok 3 Mini
Compare GPT-5.1 and Grok 3 Mini. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5.1 | Grok 3 Mini |
|---|---|---|
| Provider | OpenAI | xAI |
| Model Type | text | text |
| Context Window | 400,000 tokens | 131,072 tokens |
| Input Cost | $1.25/ 1M tokens | $0.30/ 1M tokens |
| Output Cost | $10.00/ 1M tokens | $0.50/ 1M tokens |
Stop choosing. Use both.
With Appaca you don't have to pick — build apps that are powered by GPT-5.1, Grok 3 Mini, for your specific use case.
Build your first app freeStrengths & 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.
Grok 3 Mini
xAI1. Lightweight but thoughtful reasoning
- Designed to 'think before responding' with accessible raw thought traces.
- Excellent for logic puzzles, lightweight reasoning, and systematic tasks.
2. Extremely cost-efficient
- Only $0.30 per 1M input tokens and $0.50 per 1M output tokens.
- Cached token support lowers cost to $0.075 per 1M tokens.
3. Fast and responsive
- Optimized for low-latency applications and high-throughput use cases.
- Suitable for chatbots, assistants, and automation flows.
4. Supports modern developer features
- Function calling for tool-augmented workflows.
- Structured outputs for schema-controlled responses.
- Integrates cleanly with agents and pipelines.
5. Large 131K context window
- Can understand and work with long documents, transcripts, or multi-turn sessions.
6. Great for non-domain-heavy tasks
- Useful for summarization, rewriting, extraction, everyday reasoning, and app logic.
- Does not require domain expertise to operate effectively.
7. Compatible with enterprise infrastructure
- Stable rate limits: 480 requests per minute.
- Same API structure as all Grok 3 models.
8. Optional Live Search support
- $25 per 1K sources for real-time search augmentation.
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-5.1
textSEO Blog Post Outline
Create a structured outline for an SEO-optimised blog post.
OKR Writing
Write Objectives and Key Results for a team or company for a given quarter.
Monthly Investor Update Email
Write a transparent monthly update email for startup investors.
Best for Grok 3 Mini
textQuarterly Business Review (QBR) Template
Structure a quarterly business review covering results and priorities.
Listing Presentation Cover Letter
Write a cover letter for a listing presentation package. Sets the tone and positions your marketing approach before the meeting.
Cart Recovery Email Sequence
Plan and write a complete 3-part cart abandonment email sequence. Systematically recovers lost sales across multiple touchpoints.