GPT-4 1.5-nano vs Grok 2 Vision: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1.5-nano and Grok 2 Vision across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-nanoGrok 2 Vision
ProviderOpenAIxAI
Input Price / 1M tokens$0.075$2.00
Output Price / 1M tokens$0.300$10.00
Context Window
128K
8.192K
Max Output Tokens
4,096
4,096
Arena ELO
1,150
1,230
Coding ELO1,160N/A
TTFT (ms)
120
150
Tokens/sec
150
100
MultimodalNoYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
When to Use GPT-4 1.5-nano

GPT-4 1.5-nano excels at cost-effective, fast-inference tasks.

Strengths:

  • Super cheap
  • Very fast
  • Large context

Best for:

cost-effectivefast-inference
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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