LV
LLMversus

Llama 3.1 405B (Fireworks) vs Phi-3.5 MoE: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Llama 3.1 405B (Fireworks) and Phi-3.5 MoE across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureLlama 3.1 405B (Fireworks)Phi-3.5 MoE
ProviderFireworks AIMicrosoft
Input Price / 1M tokens$3.00$0.170
Output Price / 1M tokens$3.00$0.680
Context Window
131.072K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,240
1,195
Coding ELO
1,200
1,190
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Llama 3.1 405B (Fireworks)

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

Strengths:

  • Largest model
  • High quality
  • Large context

Best for:

general-purposereasoning
When to Use Phi-3.5 MoE

Phi-3.5 MoE excels at general-purpose, cost-effective tasks.

Strengths:

  • Mixture of experts
  • Efficient
  • Balanced performance

Best for:

general-purposecost-effective

Related Comparisons

Claude Opus 4 vs Llama 3.1 405B (Fireworks)Claude Opus 4 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs Gemini 2 5 ProGemini 2 5 Pro vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs O3O3 vs Phi-3.5 MoEDeepseek R1 vs Llama 3.1 405B (Fireworks)Deepseek R1 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs O1O1 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs Qwen 3 235bPhi-3.5 MoE vs Qwen 3 235bLlama 3.1 405B (Fireworks) vs Gemini Exp 1206Gemini Exp 1206 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs Gpt 4 5Gpt 4 5 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs Groq Deepseek R1Groq Deepseek R1 vs Phi-3.5 MoELlama 3.1 405B (Fireworks) vs Llama 4 MaverickLlama 4 Maverick vs Phi-3.5 MoE