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GPT-4.5 vs Llama 3.1 70B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4.5 and Llama 3.1 70B across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4.5Llama 3.1 70B
ProviderOpenAIMeta
Input Price / 1M tokens$75.00$0.350
Output Price / 1M tokens$150.00$0.400
Context Window
128K
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,290
1,195
Coding ELO1,295N/A
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
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 3.1 70B

Llama 3.1 70B excels at coding, general-purpose tasks.

Strengths:

  • Good balance of speed and quality
  • Large context window
  • Strong instruction following

Best for:

codinggeneral-purpose

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