Gemini 4 Argon vs Muse Spark Open

Price, context window & benchmark comparison

Google

Gemini 4 Argon

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

Muse Spark Open

Meta
$1.25 / $4.25
Input / Output · per 1M tokens
Compare different models
Google
Meta
Verdict: Muse Spark Open is 2.0× cheaper than Gemini 4 Argon on a typical 3:1 input/output mix.
Gemini 4 ArgonMuse Spark Open
Input price / 1M$2.00$1.25
Output price / 1M$10.00$4.25
Blended price (3:1)$4.00$2.00
Cached input / 1M$0.10$0.15
Context window1M1M
Max output944K131K
Intelligence index50.4—
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-132026-10-15
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Argon or Muse Spark Open?

Muse Spark Open is 2.0× cheaper than Gemini 4 Argon on a typical 3:1 input/output mix.

Gemini 4 Argon vs Muse Spark Open: which has a bigger context window?

Gemini 4 Argon: 1,048,576 tokens. Muse Spark Open: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Argon ≈ $9,000, Muse Spark Open ≈ $4,625.

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