ColinBuilds

Directory · Model comparison

Llama 3.1 8B Instruct vs Qwen3.6-Flash

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 Qwen3.6-Flash
Input cost / 1M $0.02 $0.25
Output cost / 1M $0.04 $1.50
Context window 128,000 tokens 1,000,000 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 × $0.04 = $0.04
Total
$0.06

Qwen3.6-Flash

Input: 1M × $0.25 = $0.25
Output: 1M × $1.50 = $1.50
Total
$1.75

Total cost savings

$1.69

Llama 3.1 8B Instruct saves $1.69 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Qwen3.6-Flash is the premium route (higher combined per-1M cost); Llama 3.1 8B Instruct handles routine traffic.

Premium model

Qwen3.6-Flash

$0.25 in · $1.50 out / 1M

View profile →

Economical model

Llama 3.1 8B Instruct

$0.02 in · $0.04 out / 1M

View profile →

All premium

Qwen3.6-Flash

$87.50

100% of input and output on the premium route

Routed stack

80%Llama 3.1 8B Instruct

Qwen3.6-Flash

$19.90

Routine slice
$2.40
Premium slice
$17.50

Monthly savings

$67.60

77.3% lower

Rates pulled from this page's model database entries (qwen3-6-flash, 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.