LLMversus

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

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

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

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4.5Llama 4 Scout
ProviderOpenAIMeta
Input Price / 1M tokens$75.00$0.100
Output Price / 1M tokens$150.00$0.300
Context Window
128K
10.48576M
Max Output Tokens
8,192
32,768
Arena ELO
1,290
1,250
Coding ELO
1,295
1,230
TTFT (ms)
150
200
Tokens/sec
100
110
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 Llama 4 Scout

Llama 4 Scout excels at long-context, chatbots, cost-sensitive, open-source tasks.

Strengths:

  • 10M token context window
  • Very affordable
  • Open-source and self-hostable
  • Good general performance

Best for:

long-contextchatbotscost-sensitiveopen-source

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