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ChatGPT-4o Latest vs Grok 3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare ChatGPT-4o Latest and Grok 3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureChatGPT-4o LatestGrok 3
ProviderOpenAIxAI
Input Price / 1M tokens$5.00$2.50
Output Price / 1M tokens$15.00$12.50
Context Window
128K
200K
Max Output Tokens
16,384
8,192
Arena ELO
1,265
1,285
Coding ELO
1,270
1,280
TTFT (ms)
150
200
Tokens/sec
100
90
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 Grok 3

Grok 3 excels at general-purpose, coding, reasoning tasks.

Strengths:

  • Latest xAI model
  • Strong reasoning
  • Large context

Best for:

general-purposecodingreasoning

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