LLM comparison
GPT-5 vs Llama 3.1 8B
GPT-5
by OpenAI
Llama 3.1 8B
by Meta
8.0B params
| Dimension | GPT-5 | Llama 3.1 8B |
|---|---|---|
| Cheapest output $/M | $15.00/M | $0.050/M ✔ |
| Blended $/M (3:1) | $5.62/M | $0.035/M ✔ |
| Context window | 400K ✔ | 128K |
| Elo score | 1410 ✔ | 1180 |
Frequently asked questions
GPT-5 vs Llama 3.1 8B: which is cheaper?
The comparison table marks the winner on each dimension. A green highlight means that side wins on price or capacity for that row.
Should I choose GPT-5 or Llama 3.1 8B?
It depends on your workload. Review the per-dimension winners above against your own priorities: price, region coverage, capacity, and availability.
What is the difference between GPT-5 and Llama 3.1 8B?
The table breaks down GPT-5 and Llama 3.1 8B row by row on price, specs, and coverage so you can see exactly where they diverge.
Is GPT-5 better than Llama 3.1 8B for AI workloads?
Match the winning dimensions above to your workload. For training, weigh price and capacity; for inference, weigh latency, region coverage, and throughput.
GPT-5 vs Llama 3.1 8B: which has wider coverage?
The coverage rows compare how broadly GPT-5 and Llama 3.1 8B operate. Pick the one with capacity in the regions closest to your users.
Can I switch from GPT-5 to Llama 3.1 8B?
In most cases yes, though migration effort varies by product. Compare pricing and coverage above to decide whether switching is worth it for your usage.