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GPT-4 1.5-mini vs Llama 3.1 405B (Together): Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1.5-mini and Llama 3.1 405B (Together) across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-miniLlama 3.1 405B (Together)
ProviderOpenAITogether AI
Input Price / 1M tokens$0.150$3.50
Output Price / 1M tokens$0.600$3.50
Context Window
128K
4K
Max Output Tokens
4,096
4,096
Arena ELO
1,180
1,240
Coding ELO
1,200
1,200
TTFT (ms)
140
150
Tokens/sec
120
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-4 1.5-mini

GPT-4 1.5-mini excels at cost-effective, general-purpose tasks.

Strengths:

  • Affordable
  • Fast
  • Large context

Best for:

cost-effectivegeneral-purpose
When to Use Llama 3.1 405B (Together)

Llama 3.1 405B (Together) excels at general-purpose, reasoning tasks.

Strengths:

  • Largest model
  • High quality
  • Good pricing

Best for:

general-purposereasoning

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