LLMversus

o4-mini vs Llama 3.1 405B (Together): Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare o4-mini and Llama 3.1 405B (Together) across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Featureo4-miniLlama 3.1 405B (Together)
ProviderOpenAITogether AI
Input Price / 1M tokens$1.10$3.50
Output Price / 1M tokens$4.40$3.50
Context Window
128K
4K
Max Output Tokens
32,768
4,096
Arena ELO
1,260
1,240
Coding ELO
1,270
1,200
TTFT (ms)
180
150
Tokens/sec
105
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use o4-mini

o4-mini excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Affordable
  • Fast
  • Good reasoning

Best for:

general-purposereasoningcoding
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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