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ChatGPT-4o Latest vs Grok 2: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare ChatGPT-4o Latest and Grok 2 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureChatGPT-4o LatestGrok 2
ProviderOpenAIxAI
Input Price / 1M tokens$5.00$2.00
Output Price / 1M tokens$15.00$10.00
Context Window
128K
131.072K
Max Output Tokens
16,384
4,096
Arena ELO
1,265
1,240
Coding ELO
1,270
1,225
TTFT (ms)
150
150
Tokens/sec
100
100
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 2

Grok 2 excels at general-purpose, coding tasks.

Strengths:

  • Large context window
  • Good reasoning
  • Competitive performance

Best for:

general-purposecoding

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