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GPT-4 1 vs Llama 3.1 405B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1 and Llama 3.1 405B across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1Llama 3.1 405B
ProviderOpenAIMeta
Input Price / 1M tokens$0.030$3.00
Output Price / 1M tokens$0.060$3.00
Context Window
8.192K
128K
Max Output Tokens
2,048
4,096
Arena ELO
1,200
1,240
Coding ELO
1,210
1,200
TTFT (ms)
160
150
Tokens/sec
85
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
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 Llama 3.1 405B

Llama 3.1 405B excels at general-purpose, reasoning, long-context tasks.

Strengths:

  • Largest open model
  • Excellent reasoning
  • High quality outputs

Best for:

general-purposereasoninglong-context

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