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Gemini 3.1 Flash-Lite vs Llama 3.1 70B 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 Gemini 3.1 Flash-Lite Llama 3.1 70B Instruct
Input cost / 1M $0.25 $0.40
Output cost / 1M $1.50 $0.40
Context window 1,048,576 tokens 128,000 tokens
MMLU score 83.6%

Cost verdict

Enter monthly input and output volumes to see total cost savings.

Gemini 3.1 Flash-Lite

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

Llama 3.1 70B Instruct

Input: 1M × $0.40 = $0.40
Output: 1M × $0.40 = $0.40
Total
$0.80

Total cost savings

$0.95

Llama 3.1 70B Instruct saves $0.95 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Gemini 3.1 Flash-Lite is the premium route (higher combined per-1M cost); Llama 3.1 70B Instruct handles routine traffic.

Premium model

Gemini 3.1 Flash-Lite

$0.25 in · $1.50 out / 1M

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Economical model

Llama 3.1 70B Instruct

$0.40 in · $0.40 out / 1M

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All premium

Gemini 3.1 Flash-Lite

$87.50

100% of input and output on the premium route

Routed stack

80%Llama 3.1 70B Instruct

Gemini 3.1 Flash-Lite

$49.50

Routine slice
$32.00
Premium slice
$17.50

Monthly savings

$38.00

43.4% lower

Rates pulled from this page's model database entries (gemini-3-1-flash-lite, llama-3-1-70b-instruct) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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