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GPT-4.5 vs Grok 2 Vision: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4.5 and Grok 2 Vision across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4.5Grok 2 Vision
ProviderOpenAIxAI
Input Price / 1M tokens$75.00$2.00
Output Price / 1M tokens$150.00$10.00
Context Window
128K
8.192K
Max Output Tokens
8,192
4,096
Arena ELO
1,290
1,230
Coding ELO1,295N/A
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use GPT-4.5

GPT-4.5 excels at multimodal, vision, general-purpose tasks.

Strengths:

  • Latest OpenAI model
  • Strong multimodal
  • Fast inference

Best for:

multimodalvisiongeneral-purpose
When to Use Grok 2 Vision

Grok 2 Vision excels at multimodal, vision tasks.

Strengths:

  • Vision capabilities
  • Good multimodal understanding

Best for:

multimodalvision

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