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Get started freeGPT-OSS 120B vs Grok 3 Mini
Compare GPT-OSS 120B and Grok 3 Mini. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-OSS 120B | Grok 3 Mini |
|---|---|---|
| Provider | OpenAI | xAI |
| Model Type | text | text |
| Context Window | 131,072 tokens | 131,072 tokens |
| Input Cost | $0.00/ 1M tokens | $0.30/ 1M tokens |
| Output Cost | $0.00/ 1M tokens | $0.50/ 1M tokens |
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Build your first app freeStrengths & Best Use Cases
GPT-OSS 120B
OpenAI1. Most powerful open-weight model
- 117B parameters (5.1B active) while fitting on a single H100 GPU.
- High reasoning quality compared to other open models.
2. Apache 2.0 license
- Fully permissive, no copyleft or patent restrictions.
- Safe for commercial products, research, and redistribution.
3. Configurable reasoning effort
- Supports adjustable reasoning: low, medium, high.
- Lets developers balance latency vs. depth.
4. Full chain-of-thought access
- Unlike closed commercial models, this exposes complete reasoning traces.
- Useful for debugging, auditing, safety research, and transparency.
5. Fine-tunable
- Fully supports parameter fine-tuning.
- Can be adapted to domain-specific workflows and proprietary datasets.
6. Agentic capabilities
- Built-in function calling.
- Native support for web browsing, Python execution, and structured outputs.
- Ideal for open-source agents, full-stack automation, and developer tooling.
7. Tooling ecosystem support
- Compatible with Chat Completions, Responses API, Assistants, Realtime, Batch, and Fine-tuning endpoints.
- Supports Image Generation, Code Interpreter (via Python runtime), and more.
8. Open-source availability
- Downloadable on HuggingFace for local or on-prem deployment.
- Supports full offline, private, or self-hosted usage.
9. Streaming + function calling support
- Real-time interactions.
- Strong for interactive agents, coding assistants, and UI-driven workflows.
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-OSS 120B
textPersonal User Manual
Write a 'how I work' personal user manual for sharing with new team members or managers. Builds psychological safety and collaboration.
Sales Email Copywriting
Write persuasive email copy using proven copywriting frameworks.
Grant Proposal Writing
Write a compelling grant proposal section for a non-profit or research project.
Best for Grok 3 Mini
textOpen House Invitation Email
Write a persuasive open house invitation email to prospective buyers. Builds excitement and drives attendance.
Gentle Abandoned Cart Email
Recover lost sales with a warm, non-pushy abandoned cart reminder email. Effective as a first-touch recovery message.
Travel Anxiety Preparation Guide
Write a practical guide for anxious travelers preparing for a trip. Empathetic, grounded, and genuinely helpful.