Gemini 4 Argon vs Mercury 2

Price, context window & benchmark comparison

Google

Gemini 4 Argon

Google
$2.00 / $10.00
Input / Output · per 1M tokens
VS
Inception

Mercury 2

Inception
$0.25 / $0.75
Input / Output · per 1M tokens
Compare different models
Google
Inception
Verdict: Mercury 2 is 10.7× cheaper than Gemini 4 Argon on a typical 3:1 input/output mix. Gemini 4 Argon has the larger context window (1M vs 128K).
Gemini 4 ArgonMercury 2
Input price / 1M$2.00$0.25
Output price / 1M$10.00$0.75
Blended price (3:1)$4.00$0.38
Cached input / 1M$0.10$0.025
Context window1M128K
Max output944K50K
Intelligence index50.4—
Coding index—31.1
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-132026-03-04
Retirement—2026-11-08

Cost calculator

FAQ

Which is cheaper, Gemini 4 Argon or Mercury 2?

Mercury 2 is 10.7× cheaper than Gemini 4 Argon on a typical 3:1 input/output mix.

Gemini 4 Argon vs Mercury 2: which has a bigger context window?

Gemini 4 Argon: 1,048,576 tokens. Mercury 2: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Argon ≈ $9,000, Mercury 2 ≈ $875.00.

More comparisons