OpenAI: GPT-4 Turbo Preview (January 2024)

Model Overview

Description

Latest GPT-4 Turbo variant with expanded context window and improved capabilities. This model supports multimodal capabilities including vision and image understanding. It features advanced reasoning capabilities for complex problem-solving tasks.

Specifications

Pricing

Capabilities

• Vision: No
• Tool Use: Yes
• JSON Mode: Yes
• Reasoning: Yes
• Streaming: Yes
• Function Calling: Yes

Use Cases

Large document analysis, long-context reasoning, cost-efficient reasoning

Best For

• Text-based applications
• Complex reasoning tasks with extended thinking
• Production systems requiring tool integration

Not Recommended For

• Real-time applications requiring low latency
• Systems where cost is the primary concern

Integration with LangMart

Gateway Support: Type 2 (Cloud), Type 3 (Self-hosted)

API Usage:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-4-0125-preview",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 4096
  }'

Testing in LangMart

# Test chat completion
curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-4-0125-preview",
    "messages": [
      {"role": "user", "content": "Explain quantum computing"}
    ]
  }'

# Test with structured output
curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-4-0125-preview",
    "messages": [{"role": "user", "content": "Extract data"}],
    "response_format": {"type": "json_object"}
  }'

Related Models

From OpenAI:

• GPT-4 Family - Advanced reasoning
• GPT-3.5 Turbo - Fast and affordable
• GPT-4o - Optimized multimodal
• o1 - Extended reasoning

References

• Model ID: openai/gpt-4-0125-preview
• OpenAI Documentation: https://platform.openai.com/docs
• OpenAI Models: https://platform.openai.com/docs/models

Last Updated: December 28, 2025 Generator: OpenAI Markdown Documentation Generator