openai logo
GPT-4
vs
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o3 Deep Research

Compare performance metrics, pricing, and capabilities of these AI models.

Key Differences
Context Length
Lower
GPT-4: 8K (disadvantage)
o3 Deep Research: 200K (advantage)
Cost Efficiency
Higher Cost
Prompt: $30.00M vs $10.00M
Completion: $60.00M vs $40.00M

Capabilities

GPT-4
Modality: text->text
Inputs: text
o3 Deep Research
Modality: text+image->text
Inputs: image, text, file
O
GPT-4
openai/gpt-4

OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous mo...

Context Length8K
Prompt Price$30.00M
ReleasedMay 28, 2023
Supports:
text->text
O
o3 Deep Research
openai/o3-deep-research

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the...

Context Length200K
Prompt Price$10.00M
ReleasedOctober 10, 2025
Supports:
text+image->text
Detailed Comparison
Feature
openai logo
GPT-4
openai logo
o3 Deep Research
Context Length8K200K
Prompt Price$30.00M$10.00M
Completion Price$60.00M$40.00M
Modalitytext->texttext+image->text
Release DateMay 28, 2023October 10, 2025
Analysis & Recommendations

Quick Summary

This comparison reveals key trade-offs between GPT-4 and o3 Deep Research. o3 Deep Research offers a larger context window of 200K compared to GPT-4's 8K, though GPT-4 comes at a higher cost.

GPT-4 Strengths

  • Competitive context size (8K)
  • Premium pricing for high-quality output
  • Specialized for text tasks
  • Proven and stable model

o3 Deep Research Strengths

  • Larger context window (200K) for processing longer documents
  • More cost-effective per token
  • Multimodal capabilities for image analysis
  • Latest generation model

When to Use Each Model

Choose GPT-4 when:
  • • You need competitive context capability for complex tasks
  • • Cost efficiency is not the primary concern in your use case
  • • Working with text-based tasks that benefit from deep analysis
Choose o3 Deep Research when:
  • • You need the larger context window for long-form content
  • • Cost efficiency is important for your budget
  • • Working with images and text that require advanced processing
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