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Gemini 3.6 Flash vs o4 Mini (batch)

Side-by-side API pricing and Artificial Analysis performance for Gemini 3.6 Flash (Google) and o4 Mini (batch) (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 17, 2026, 3:27 PM UTC · refreshed hourly

Gemini 3.6 Flash

Google

o4 Mini (batch)

OpenAI

Pricing
Input $/1M$0.75$0.55
Output $/1M$3.75$2.20
Blended $/1M (3:1)$1.50$0.963
RAG example (30K in / 2K out)$0.03$0.0209
Quality & speed
Intelligence Index34.316.7
Coding Index69.2
Agentic Index30.2
Output speed (tok/s)1870
Time to first token13.49s0s
Specs
Context window1.05M200K
Input modalitiestext, image, video, file, audioimage, text, file

FAQ

Which is cheaper, Gemini 3.6 Flash or o4 Mini (batch)?

o4 Mini (batch) has the lower blended API price at $0.963 per 1M tokens (3:1 input:output mix), versus $1.50 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), o4 Mini (batch) costs about $0.0209 per request versus $0.03. Also compare context windows: Gemini 3.6 Flash offers 1.05M and o4 Mini (batch) offers 200K.

Which scores higher on Artificial Analysis benchmarks?

Gemini 3.6 Flash leads on the Artificial Analysis Intelligence Index (34.3 vs 16.7). Check coding and agentic indices on this page for workload-specific tradeoffs.