LLMversus

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

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

⚡ Quick Answer

Compare Llama 3.1 405B (Fireworks) and GPT-4o Mini across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureLlama 3.1 405B (Fireworks)GPT-4o Mini
ProviderFireworks AIOpenAI
Input Price / 1M tokens$3.00$0.150
Output Price / 1M tokens$3.00$0.600
Context Window
131.072K
128K
Max Output Tokens
4,096
16,384
Arena ELO
1,240
1,098
Coding ELO
1,200
1,098
TTFT (ms)
150
180
Tokens/sec
100
120
MultimodalNoYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
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 GPT-4o Mini

GPT-4o Mini excels at chatbots, lightweight-tasks, cost-sensitive tasks.

Strengths:

  • Extremely affordable pricing
  • Fast response times
  • Strong for its price tier
  • Good multimodal support

Best for:

chatbotslightweight-taskscost-sensitive

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