Directory · Model comparison

DeepSeek-V4-Pro vs GPT-5.6 Luna

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 DeepSeek-V4-Pro GPT-5.6 Luna
Input cost / 1M $1.32 $0.20
Output cost / 1M $3.96 $1.20
Context window 1,000,000 tokens 1,050,000 tokens
MMLU score

Cost verdict

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

DeepSeek-V4-Pro

Input: 1M × $1.32 = $1.32
Output: 1M × $3.96 = $3.96
Total
$5.28

GPT-5.6 Luna

Input: 1M × $0.20 = $0.20
Output: 1M × $1.20 = $1.20
Total
$1.40

Total cost savings

$3.88

GPT-5.6 Luna saves $3.88 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. DeepSeek-V4-Pro is the premium route (higher combined per-1M cost); GPT-5.6 Luna handles routine traffic.

Premium model

DeepSeek-V4-Pro

$1.32 in · $3.96 out / 1M

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Economical model

GPT-5.6 Luna

$0.20 in · $1.20 out / 1M

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All premium

DeepSeek-V4-Pro

$264.00

100% of input and output on the premium route

Routed stack

80%GPT-5.6 Luna

DeepSeek-V4-Pro

$108.80

Routine slice
$56.00
Premium slice
$52.80

Monthly savings

$155.20

58.8% lower

Rates pulled from this page's model database entries (deepseek-v4-pro, gpt-5-6-luna) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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