LV
LLMversus

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

Pricing verified Apr 8, 2026

⚡ Quick Answer

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

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeaturePhi-4Llama 3.1 405B (Together)
ProviderMicrosoftTogether AI
Input Price / 1M tokens$0.065$3.50
Output Price / 1M tokens$0.140$3.50
Context Window
16.384K
4K
Max Output Tokens
4,096
4,096
Arena ELO
1,150
1,240
Coding ELO
1,130
1,200
TTFT (ms)
100
150
Tokens/sec
160
100
MultimodalNoNo
JSON ModeYesYes
Function CallingNoYes
VisionNoNo
When to Use Phi-4

Phi-4 excels at cost-sensitive, edge-deployment, math, lightweight-tasks tasks.

Strengths:

  • Ultra-low cost for a capable model
  • Strong math for its size (14B params)
  • Very fast inference
  • Can run on consumer hardware

Best for:

cost-sensitiveedge-deploymentmathlightweight-tasks
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

Related Comparisons

Claude Opus 4 vs Llama 3.1 405B (Together)Claude Opus 4 vs Phi-4Gemini 2 5 Pro vs Llama 3.1 405B (Together)Gemini 2 5 Pro vs Phi-4O3 vs Llama 3.1 405B (Together)O3 vs Phi-4Deepseek R1 vs Llama 3.1 405B (Together)Deepseek R1 vs Phi-4O1 vs Llama 3.1 405B (Together)O1 vs Phi-4Qwen 3 235b vs Llama 3.1 405B (Together)Phi-4 vs Qwen 3 235bGemini Exp 1206 vs Llama 3.1 405B (Together)Gemini Exp 1206 vs Phi-4Gpt 4 5 vs Llama 3.1 405B (Together)Gpt 4 5 vs Phi-4Groq Deepseek R1 vs Llama 3.1 405B (Together)Groq Deepseek R1 vs Phi-4Llama 4 Maverick vs Llama 3.1 405B (Together)Llama 4 Maverick vs Phi-4