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HomeLarge Language ModelsCompareGPT-4o vs ChatGPT
Updated April 2026 · Independent Analysis

GPT-4ovsChatGPT

Both GPT-4o and ChatGPT start at $20/mo. Both rated 4.7/5 by users.

GPT-4o logo - software comparison
GPT-4ovs ChatGPT
4.7/5
Only in GPT-4o
  • Multimodal (text/image/audio)
  • Function calling
  • 128K context window
✓ Free planFrom $20/mo100M+ users · est. 2024
ChatGPT logo - software comparison
ChatGPTvs GPT-4o
4.7/5
Only in ChatGPT
  • AI text generation
  • Code assistance
  • Image generation
✓ Free planFrom $20/mo100M+ users · est. 2022

Expert Take: GPT-4o vs ChatGPT

Based on 35 features, real user ratings, and pricing data

Both tools share the same average rating of 4.7/5. GPT-4o stands out with multimodal (text/image/audio), while ChatGPT offers ai text generation.

Best for
GPT-4o
  • Multimodal (text/image/audio)
  • Function calling
  • 128K context window
  • JSON mode
Best for
ChatGPT
  • AI text generation
  • Code assistance
  • Image generation
  • Data analysis
Free Plan
Both offer free tiers
Features
20 vs 15 · 2 shared

Feature Comparison

GPT-4o uniquely offers Multimodal (text/image/audio), Function calling, 128K context window. ChatGPT uniquely offers AI text generation, Code assistance, Image generation. Both share 2 features including Web browsing, API access.

Feature
GPT-4o
ChatGPT
Web browsing
API access
Multimodal (text/image/audio)
Function calling
128K context window
JSON mode
Total Features
20
15

Which One Should You Choose?

Based on unique strengths, pricing plans, and use cases

Choose GPT-4o if you need:
  • Multimodal (text/image/audio)
  • Function calling
  • 128K context window
  • JSON mode
  • Streaming
Try GPT-4o Free
Choose ChatGPT if you need:
  • AI text generation
  • Code assistance
  • Image generation
  • Data analysis
  • Plugins/GPTs
Try ChatGPT Free

Pricing Comparison

Both GPT-4o and ChatGPT start at $20/mo.

GPT-4o logo - software comparison

GPT-4o Plans

Free tier available

Free
Free
  • GPT-4o limited
  • Basic features
PlusBest Value
$20/month
  • GPT-4o full access
  • DALL-E 3
  • Advanced analysis
Team
$30/month
  • Higher limits
  • Admin console
Full GPT-4o Pricing Breakdown →
ChatGPT logo - software comparison

ChatGPT Plans

Free tier available

Free
Free
  • GPT-3.5
  • Limited GPT-4o
  • Basic features
PlusBest Value
$20/month
  • GPT-4o
  • DALL-E 3
  • Advanced data analysis
  • Plugins
Team
$30/month
  • Everything in Plus
  • Higher limits
  • Admin console
Full ChatGPT Pricing Breakdown →

Frequently Asked Questions

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Authored by Jordan Williams·Reviewed by Priya SharmaExpert verified·Updated April 22, 2026·Our methodology