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ChatGPT-4o Latest vs o3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare ChatGPT-4o Latest and o3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureChatGPT-4o Latesto3
ProviderOpenAIOpenAI
Input Price / 1M tokens$5.00$10.00
Output Price / 1M tokens$15.00$40.00
Context Window
128K
200K
Max Output Tokens
16,384
100,000
Arena ELO
1,265
1,340
Coding ELO
1,270
1,320
TTFT (ms)
150
600
Tokens/sec
100
15
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use ChatGPT-4o Latest

ChatGPT-4o Latest excels at general-purpose, multimodal, function-calling tasks.

Strengths:

  • Latest GPT-4o
  • Improved performance
  • Always updated

Best for:

general-purposemultimodalfunction-calling
When to Use o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath

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