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LLM ComparisonGPT-5DeepSeek V3

GPT-5 vs DeepSeek V3

Compare GPT-5 and DeepSeek V3. Build AI products powered by either model on Appaca.

Model Comparison

FeatureGPT-5DeepSeek V3
ProviderOpenAIDeepSeek
Model Typetexttext
Context Window400,000 tokensN/A
Input Cost
$1.25/ 1M tokens
N/A
Output Cost
$10.00/ 1M tokens
N/A

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Strengths & Best Use Cases

GPT-5

OpenAI

1. High reasoning capability

  • Designed for intelligent reasoning across complex domains.
  • Supports reasoning tokens and adjustable reasoning effort.

2. Strong coding and agentic performance

  • Optimized for multi-step coding tasks, tool-use chains, and agent workflows.
  • Handles complex logic, planning, and structured problem solving reliably.

3. Multimodal input

  • Accepts text + image as input.
  • Produces text outputs with strong instruction following.

4. Extensive tool support

  • Works with Web Search, File Search, Image Generation (as a tool), Code Interpreter, MCP, and more.
  • Integrated across Chat Completions, Responses API, Realtime, Assistants, Batch, Embeddings, etc.

DeepSeek V3

DeepSeek

1. 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.

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