Directory · Model comparison
Grok 4.6 vs Llama 3.1 8B Instruct
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 | Grok 4.6 | Llama 3.1 8B Instruct |
|---|---|---|
| Input cost / 1M | $2.00 | $0.02 |
| Output cost / 1M | $6.00 | $0.04 |
| Context window | 500,000 tokens | 128,000 tokens |
| MMLU score | — | 69.4% |
Cost verdict
Enter monthly input and output volumes to see total cost savings.
Grok 4.6
- Input: 1M × $2.00 = $2.00
- Output: 1M × $6.00 = $6.00
- Total
- $8.00
Llama 3.1 8B Instruct
- Input: 1M × $0.02 = $0.02
- Output: 1M × $0.04 = $0.04
- Total
- $0.06
Total cost savings
$7.94
Llama 3.1 8B Instruct saves $7.94 per month vs the other model at this volume.
Model routing savings
Uses this page's verified rates. Grok 4.6 is the premium route (higher combined per-1M cost); Llama 3.1 8B Instruct handles routine traffic.
All premium
Grok 4.6
$400.00
100% of input and output on the premium route
Routed stack
80% → Llama 3.1 8B Instruct
20% → Grok 4.6
$82.40
- Routine slice
- $2.40
- Premium slice
- $80.00
Monthly savings
$317.60
79.4% lower
Rates pulled from this page's model database entries (grok-4-6, llama-3-1-8b-instruct) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.
Related comparisons
More head-to-head model matchups.