Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct
Llama 3.1 70B Instruct vs Llama 3.1 8B Instruct: Llama 3.1 8B Instruct is cheaper by 90% on average. Llama 3.1 70B Instruct from Perplexity (131,072-token context) vs. Llama 3.1 8B Instruct from OVHcloud AI (131,000-token context, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.
Side-by-side cost
Live workload comparison
Same workload run through both models. The cheaper one is highlighted.
3,000
0131,072
400
0131,072
5,000
01,000,000
At this workload, Llama 3.1 8B Instruct is 90% cheaper than Llama 3.1 70B Instruct — a savings of $466/month ($5,588/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: llama-3-1-8b-instruct
provider: ovhcloud
fallback:
model: llama-3-1-70b-instruct
provider: perplexity
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| Llama 3.1 70B Instruct | Llama 3.1 8B Instruct | |
|---|---|---|
| Input price | $1.00/M | $0.1000/M |
| Output price | $1.00/M | $0.1000/M |
| Context window | 131,072 | 131,000 |
| Max output | 131,072 | 131,000 |
| Function calling | — | ✓ |
| Vision | — | — |
| Audio input | — | — |
| Reasoning | — | — |
| Prompt caching | — | — |
| Structured output | — | ✓ |
| Pricing verified | May 12, 2026 | May 12, 2026 |