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Gemini 3.6 Flash vs gpt-oss-120b

Side-by-side API pricing and Artificial Analysis performance for Gemini 3.6 Flash (Google) and gpt-oss-120b (OpenAI). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:40 AM UTC · refreshed hourly

Gemini 3.6 Flash

Google

gpt-oss-120b

OpenAI

Pricing
Input $/1M$1.50$0.037
Output $/1M$7.50$0.17
Blended $/1M (3:1)$3.00$0.07
RAG example (30K in / 2K out)$0.06$0.00145
Quality & speed
Intelligence Index50.123.8
Coding Index69.230.4
Agentic Index38.713.2
Output speed (tok/s)301292
Time to first token11.80s0.50s
Specs
Context window1.05M131K
Input modalitiestext, image, video, file, audiotext

FAQ

Which is cheaper, Gemini 3.6 Flash or gpt-oss-120b?

gpt-oss-120b has the lower blended API price at $0.07 per 1M tokens (3:1 input:output mix), versus $3.00 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-oss-120b costs about $0.00145 per request versus $0.06. Also compare context windows: Gemini 3.6 Flash offers 1.05M and gpt-oss-120b offers 131K.

Which scores higher on Artificial Analysis benchmarks?

Gemini 3.6 Flash leads on the Artificial Analysis Intelligence Index (50.1 vs 23.8). Check coding and agentic indices on this page for workload-specific tradeoffs.