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GPT-4o Mini vs Llama 3.1 8B (Groq): Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4o Mini and Llama 3.1 8B (Groq) across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4o MiniLlama 3.1 8B (Groq)
ProviderOpenAIGroq
Input Price / 1M tokens$0.150$0.050
Output Price / 1M tokens$0.600$0.080
Context Window
128K
128K
Max Output Tokens
16,384
4,096
Arena ELO
1,220
1,120
Coding ELO1,200N/A
TTFT (ms)
180
150
Tokens/sec
120
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
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
When to Use Llama 3.1 8B (Groq)

Llama 3.1 8B (Groq) excels at fast-inference, cost-effective tasks.

Strengths:

  • Insanely fast
  • Super cheap
  • Best for real-time

Best for:

fast-inferencecost-effective

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