Directory · Model comparison
Llama 3.1 8B Instruct vs Mistral Medium 3.5
Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.
Tale of the tape
Head-to-head specs pulled from each model profile.
| Metric | Llama 3.1 8B Instruct | Mistral Medium 3.5 |
|---|---|---|
| Input cost / 1M | $0.02 | $1.50 |
| Output cost / 1M | $0.03 | $7.50 |
| Context window | 128,000 tokens | 256,000 tokens |
| MMLU score | 69.4% | — |
Cost verdict
Enter monthly input and output volumes to see total cost savings.
Llama 3.1 8B Instruct
- Input: 1M × $0.02 = $0.02
- Output: 1M × $0.03 = $0.03
- Total
- $0.05
Mistral Medium 3.5
- Input: 1M × $1.50 = $1.50
- Output: 1M × $7.50 = $7.50
- Total
- $9.00
Total cost savings
$8.95
Llama 3.1 8B Instruct saves $8.95 per month vs the other model at this volume.
Model routing savings
Uses this page's verified rates. Mistral Medium 3.5 is the premium route (higher combined per-1M cost); Llama 3.1 8B Instruct handles routine traffic.
All premium
Mistral Medium 3.5
$450.00
100% of input and output on the premium route
Routed stack
80% → Llama 3.1 8B Instruct
20% → Mistral Medium 3.5
$92.00
- Routine slice
- $2.00
- Premium slice
- $90.00
Monthly savings
$358.00
79.6% lower
Rates pulled from this page's model database entries (mistral-medium-3-5, llama-3-1-8b-instruct) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.
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