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Google: Gemini 4 Argon vs MoonshotAI: Kimi K3

Google: Gemini 4 Argon is 1.2× cheaper for the sample workload; both have the same context window.

MetricGoogle: Gemini 4 ArgonMoonshotAI: Kimi K3
Model IDgoogle/gemini-4-argonmoonshotai/kimi-k3
Prompt price$2.00 / 1M tokens$0.20 / 1M tokens
Completion price$10.00 / 1M tokens$16.00 / 1M tokens
Context1,048,576 tokens1,048,576 tokens
Tool calling✓✓
Structured outputs✓✓
Reasoning✓✓
Response format✓✓
Web search––
Input modalitiesaudio, file, image, text, videotext, image, video
Output modalitiestexttext
Added2026-10-132026-07-16

Sample workload

Chat app: 1,000 prompt + 500 completion tokens × 100 requests per day.

CostGoogle: Gemini 4 ArgonMoonshotAI: Kimi K3
Per day$0.70$0.82
Per 30 days$21.00$24.60

Difference: $0.12 per day and $3.60 per 30 days.

Data updated 2026-11-04