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Get started freeGPT-OSS 120B vs Grok 3
Compare GPT-OSS 120B and Grok 3. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-OSS 120B | Grok 3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Model Type | text | text |
| Context Window | 131,072 tokens | 131,072 tokens |
| Input Cost | $0.00/ 1M tokens | $3.00/ 1M tokens |
| Output Cost | $0.00/ 1M tokens | $15.00/ 1M tokens |
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With Appaca you don't have to pick — build apps that are powered by GPT-OSS 120B, Grok 3, for your specific use case.
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
xAI1. Strong enterprise-grade reasoning
- Built for deep logical reasoning, structured decision-making, and multi-step analysis.
- Performs exceptionally in domains requiring precision: law, finance, healthcare, and STEM.
2. Excellent at data extraction and summarization
- Optimized for structured extraction from documents, PDFs, tables, and complex text.
- Ideal for enterprise workflows like reporting, compliance automation, or knowledge mining.
3. High-performance coding capabilities
- Excels at code generation, debugging, refactoring, and explaining code.
- Competitive with top-tier coding models for multi-file, long-context code reasoning.
4. Supports function calling and structured outputs
- Integrates cleanly with agent frameworks and external tools.
- Predictable, schema-aligned responses suitable for production systems.
5. Large 131K context window
- Handles long documents, transcripts, contracts, codebases, or multi-document tasks.
- Useful for ingesting highly technical materials in one pass.
6. Efficient cost structure with cached token pricing
- Cached inputs: only $0.75 / 1M tokens, enabling large-scale systems.
- Encourages reuse for powerful retrieval-augmented workflows.
7. Enterprise reliability and availability
- Supported across multiple regions (us-east-1, eu-west-1).
- Consistent rate limits: 600 requests/min.
- Suitable for production-grade apps with stability requirements.
8. Supports advanced search capabilities
- Optional Live Search add-on for real-time knowledge retrieval.
- Pricing: $25 per 1K sources.
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
textFormal Complaint Letter
Write a firm but professional complaint letter to a service provider or company. Clear, factual, and outcome-focused.
Airline Complaint Letter
Write a formal complaint letter to an airline about a flight disruption or poor service experience. Claims compensation where applicable.
Data Processing Agreement (DPA) Draft
Draft a GDPR-compliant data processing agreement between a controller and processor.
Best for Grok 3
textScience Experiment Guide
Write a student-friendly guide for a science experiment with instructions and analysis.
Book Dedication
Write a meaningful book dedication for a published or self-published work. Honors the right people in the right words.
Positive Hotel Review Response
Respond to a positive hotel review warmly and professionally. Encourages future visits and demonstrates guest appreciation.