GPT-5.1 vs DeepSeek V3
Compare GPT-5.1 and DeepSeek V3. Find out which model is better for your specific use case and requirements.
Model Comparison
| Feature | GPT-5.1 | DeepSeek V3 |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Model Type | text | text |
| Context Window | 400,000 tokens | N/A |
| Input Cost | $1.25/ 1M tokens | N/A |
| Output Cost | $10.00/ 1M tokens | N/A |
Strengths & 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.
DeepSeek V3
DeepSeek1. Exceptional at large-scale data analysis
- Designed to handle massive datasets.
- Identifies trends, correlations, and anomalies.
2. High performance in predictive analytics
- Useful for forecasting, modeling, and probabilistic predictions.
- Popular in finance, medical research, and market trend analysis.
3. Optimized for structured, data-heavy workloads
- Stronger at analytical and statistical tasks than general text generation.
4. Enterprise-oriented capabilities
- Built for businesses needing deep insights from continuous data streams.
Try These Prompts
Discover AI prompts that work great with these models. Use them to build powerful AI tools on Appaca.
Best for GPT-5.1
textSales Objection Flipper: Reveal Hidden Pain Points
Convert common sales objections into underlying fears and create educational content ideas that overcome them before the sales call.
Competitor Analysis (Differentiation Opportunities)
Analyze competitors and identify differentiation opportunities that strengthen your USP for your persona’s challenges.
Account-Based Marketing (ABM) Campaign (Tailored Plays)
Create an ABM campaign targeting high-value accounts with tailored messages that connect persona challenges to your USP.
Best for DeepSeek V3
textCollaboration Outreach Request
Draft collaboration outreach messages for partnerships, co-marketing, podcasts, affiliates, and integrations—with clear value exchange and next steps.
Sales Language Style Guide
Generate a sales language style guide so your team writes consistent outreach with approved phrases, tone rules, and examples.
E-commerce Product Description
Create persuasive, SEO-friendly product descriptions that convert visitors into buyers.
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