Directory · Model comparison

Llama 3.1 8B Instruct vs Qwen3.7-Plus

Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.

Llama 3.1 8B Instruct profile → Qwen3.7-Plus profile →

Tale of the tape

Head-to-head specs pulled from each model profile.

Metric	Llama 3.1 8B Instruct	Qwen3.7-Plus
Input cost / 1M	$0.02	$0.40
Output cost / 1M	$0.04	$1.60
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.

Monthly input tokens, in millions Monthly output tokens, in millions

Llama 3.1 8B Instruct

Input: 1M × $0.02 = $0.02; Output: 1M × $0.04 = $0.04
Total: $0.06

Qwen3.7-Plus

Input: 1M × $0.40 = $0.40; Output: 1M × $1.60 = $1.60
Total: $2.00

Total cost savings

$1.94

Llama 3.1 8B Instruct saves $1.94 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Qwen3.7-Plus is the premium route (higher combined per-1M cost); Llama 3.1 8B Instruct handles routine traffic.

Premium model

Qwen3.7-Plus

$0.40 in · $1.60 out / 1M

View profile →

Economical model

Llama 3.1 8B Instruct

$0.02 in · $0.04 out / 1M

View profile →

Monthly input tokens (millions) Monthly output tokens (millions)

All premium

Qwen3.7-Plus

$100.00

100% of input and output on the premium route

Routed stack

80% → Llama 3.1 8B Instruct

20% → Qwen3.7-Plus

$22.40

Routine slice: $2.40
Premium slice: $20.00

Monthly savings

$77.60

77.6% lower

Rates pulled from this page's model database entries (qwen3-7-plus, 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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