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GPT-4 1.5-nano vs GPT-4 Turbo: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1.5-nano and GPT-4 Turbo across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-nanoGPT-4 Turbo
ProviderOpenAIOpenAI
Input Price / 1M tokens$0.075$10.00
Output Price / 1M tokens$0.300$30.00
Context Window
128K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,150
1,240
Coding ELO
1,160
1,245
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 GPT-4 Turbo

GPT-4 Turbo excels at general-purpose, multimodal, vision tasks.

Strengths:

  • Strong multimodal
  • Large context
  • Proven performance

Best for:

general-purposemultimodalvision

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