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Gemini 2.5 Pro vs Grok 4.6

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 2.5 Pro Grok 4.6
Input cost / 1M $1.25 $2.00
Output cost / 1M $10.00 $6.00
Context window 1,048,576 tokens 500,000 tokens
MMLU score

Cost verdict

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

Gemini 2.5 Pro

Input: 1M × $1.25 = $1.25
Output: 1M × $10.00 = $10.00
Total
$11.25

Grok 4.6

Input: 1M × $2.00 = $2.00
Output: 1M × $6.00 = $6.00
Total
$8.00

Total cost savings

$3.25

Grok 4.6 saves $3.25 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Gemini 2.5 Pro is the premium route (higher combined per-1M cost); Grok 4.6 handles routine traffic.

Premium model

Gemini 2.5 Pro

$1.25 in · $10.00 out / 1M

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Economical model

Grok 4.6

$2.00 in · $6.00 out / 1M

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All premium

Gemini 2.5 Pro

$562.50

100% of input and output on the premium route

Routed stack

80%Grok 4.6

Gemini 2.5 Pro

$432.50

Routine slice
$320.00
Premium slice
$112.50

Monthly savings

$130.00

23.1% lower

Rates pulled from this page's model database entries (gemini-2-5-pro, grok-4-6) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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