LLMversus

GPT-4 1 vs GPT-4.5: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

Compare GPT-4 1 and GPT-4.5 across pricing, benchmarks, and capabilities.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1GPT-4.5
ProviderOpenAIOpenAI
Input Price / 1M tokens$2.00$75.00
Output Price / 1M tokens$8.00$150.00
Context Window
8.192K
128K
Max Output Tokens
2,048
8,192
Arena ELO
1,200
1,290
Coding ELO
1,210
1,295
TTFT (ms)
160
150
Tokens/sec
85
100
MultimodalNoYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
When to Use GPT-4 1

GPT-4 1 excels at general-purpose, coding tasks.

Strengths:

  • Good quality
  • Affordable
  • Reliable

Best for:

general-purposecoding
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

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