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Gemini 3.6 Flash vs GPT-5.4 Mini (batch)

Side-by-side API pricing and Artificial Analysis performance for Gemini 3.6 Flash (Google) and GPT-5.4 Mini (batch) (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 4, 2026, 7:52 AM UTC · refreshed hourly

Gemini 3.6 Flash

Google

GPT-5.4 Mini (batch)

OpenAI

Pricing
Input $/1M$0.75$0.375
Output $/1M$3.75$2.25
Blended $/1M (3:1)$1.50$0.844
RAG example (30K in / 2K out)$0.03$0.0158
Quality & speed
Intelligence Index51.640.9
Coding Index69.256.1
Agentic Index40.531.5
Output speed (tok/s)1880
Time to first token14.36s0s
Specs
Context window1.05M400K
Input modalitiestext, image, video, file, audiofile, image, text

FAQ

Which is cheaper, Gemini 3.6 Flash or GPT-5.4 Mini (batch)?

GPT-5.4 Mini (batch) has the lower blended API price at $0.844 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), GPT-5.4 Mini (batch) costs about $0.0158 per request versus $0.03. Also compare context windows: Gemini 3.6 Flash offers 1.05M and GPT-5.4 Mini (batch) offers 400K.

Which scores higher on Artificial Analysis benchmarks?

Gemini 3.6 Flash leads on the Artificial Analysis Intelligence Index (51.6 vs 40.9). Check coding and agentic indices on this page for workload-specific tradeoffs.