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Nano Banana (Gemini 2.5 Flash Image) vs GPT-5.6 Sol

Side-by-side API pricing and Artificial Analysis performance for Nano Banana (Gemini 2.5 Flash Image) (Google) and GPT-5.6 Sol (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:35 AM UTC · refreshed hourly

Nano Banana (Gemini 2.5 Flash Image)

Google

GPT-5.6 Sol

OpenAI

Pricing
Input $/1M$0.30$5.00
Output $/1M$2.50$30.00
Blended $/1M (3:1)$0.85$11.25
RAG example (30K in / 2K out)$0.014$0.21
Quality & speed
Intelligence Index58.9
Coding Index77.4
Agentic Index54
Output speed (tok/s)70
Time to first token112.90s
Specs
Context window33K1.05M
Input modalitiesimage, textfile, image, text

FAQ

Which is cheaper, Nano Banana (Gemini 2.5 Flash Image) or GPT-5.6 Sol?

Nano Banana (Gemini 2.5 Flash Image) has the lower blended API price at $0.85 per 1M tokens (3:1 input:output mix), versus $11.25 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Nano Banana (Gemini 2.5 Flash Image) costs about $0.014 per request versus $0.21. Also compare context windows: Nano Banana (Gemini 2.5 Flash Image) offers 33K and GPT-5.6 Sol offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.6 Sol leads on the Artificial Analysis Intelligence Index (58.9 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.