Nano Banana Pro (Gemini 3 Pro Image) vs Gemini 4 Argon

Lower and Larger mark one number at a time; they don’t rank the models. How well a model does depends on your task; see Benchmarks for measured results.

DetailNano Banana Pro (Gemini 3 Pro Image)google/gemini-3-pro-imageGemini 4 Argongoogle/gemini-4-argon
Makergooglegoogle
KindChatChat
Input per 1M tokens$2.10$2.10
Cached input per 1M tokens$0.21$0.105
Cache write per 1M tokensSame as inputSame as input
Output per 1M tokens$12.60$10.50 Lower
Context window65,536 tokens1,000,000 tokens Larger
Max output32,768 tokens1,000,000 tokens Larger
CapabilitiesVision, web search, image generationReasoning, tool use, vision, file input, web search
TakesText, imageText, image, pdf, video
ReturnsText, imageText
Zero data retentionNot on every providerNot on every provider
No training on requestsYes, on every providerYes, on every provider
Released2025-09-012026-10-13

Example costs

Example requests, priced at today’s rates with no cached input.

Example requestNano Banana Pro (Gemini 3 Pro Image)Gemini 4 Argon
1,000 tokens in, 200 out$0.00462$0.0042
10,000 tokens in, 1,000 out$0.0336$0.0315
100,000 tokens in, 4,000 outToo long for this model$0.252