Build AI powered apps for your work

Get started free
LLM ComparisonGPT-5.4Claude 3 Sonnet

GPT-5.4 vs Claude 3 Sonnet

Compare GPT-5.4 and Claude 3 Sonnet. Build AI products powered by either model on Appaca.

Model Comparison

FeatureGPT-5.4Claude 3 Sonnet
ProviderOpenAIAnthropic
Model Typetexttext
Context Window1,050,000 tokens200,000 tokens
Input Cost
$2.50/ 1M tokens
$3.00/ 1M tokens
Output Cost
$15.00/ 1M tokens
$15.00/ 1M tokens

Build AI powered apps

Create internal tools for your work that are powered by GPT-5.4, Claude 3 Sonnet, and other AI models. Just describe what you need and Appaca will create it for you.

Strengths & Best Use Cases

GPT-5.4

OpenAI

1. Best Intelligence at Scale

  • OpenAI positions GPT-5.4 as its frontier model for agentic, coding, and professional workflows.
  • Built for complex professional work where stronger reasoning and higher answer quality matter.

2. Configurable Reasoning + Multimodal Input

  • Supports configurable reasoning effort from none to xhigh, letting teams balance speed and depth.
  • Accepts both text and image inputs while producing text output.

3. Massive Context for Long-Running Work

  • 1.05M token context window supports very large codebases, documents, and multi-step workflows.
  • Allows up to 128 k output tokens for long-form answers and larger generations.

4. Updated Knowledge & Broad Tool Support

  • Knowledge cut-off of Aug 31 2025 keeps it current for newer frameworks and business context.
  • Supports tools like web search, file search, code interpreter, hosted shell, computer use, and MCP in the Responses API.

Claude 3 Sonnet

Anthropic

1. Speed + Intelligence Blend

  • 2x faster than Claude 2/2.1
  • Strong reasoning with lower cost

2. Enterprise-Ready

  • Designed for high-volume, large-scale deployments
  • Excellent stability for production workloads

3. Versatile Task Performance

  • Great for RAG, search, document understanding
  • High-quality code generation
  • Effective at sales automation and knowledge retrieval

4. Vision Capabilities

  • Reads charts, graphs, images reliably
  • Extracts text from visuals efficiently

The only platform you need for work apps

Use Appaca to improve your workflows and productivity with the apps you need for your unique use case.