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LLM Cost & Speed
Phase 3
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LLM Cost & Speed Comparison
Visualize tradeoffs between model size, speed, and cost
Input Tokens: 1,000
Output Tokens: 500
Select Models
GPT‑3.5 Turbo
GPT‑4
Claude 2
Llama 2 (70B)
Mistral 7B
Comparison (approximate)
Input 1000 • Output 500
Model
Parameters
Time (s)
Cost ($)
GPT‑3.5 Turbo
175B
12.50
0.0030
GPT‑4
1000B
33.33
0.0900
Llama 2 (70B)
70B
16.67
0.0015
Quick Check
Selecting a model is about balancing…
Latency, cost, and quality
Only parameters
Only speed
Smaller models can be better when…
Latency/cost limits dominate
You never care about speed
Input length is zero
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Farzad Bayat - AI Consulting & Automation Expert | Practical AI Solutions