Gemma 3 4B is 93.3× cheaper per million tokens (blended). GPT-5.6 Terra Pro has the larger context window (1,050,000 vs 131,072 tokens, 8.0×). Gemma 3 4B is open-weights; the other is not.

Gemma 3 4B vs GPT-5.6 Terra Pro

Live catalog fields. Best-in-row is highlighted.

Gemma 3 4Bopen

Google · google__gemma-3-4b-it

GPT-5.6 Terra Pro

OpenAI · openai__gpt-5.6-terra-pro

Identity

Fieldgoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
ProviderGoogleOpenAI
Sluggoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
Statuslivelive
Open weightsYesNo
License——
HuggingFacegoogle/gemma-3-4b-it—

Quality

Fieldgoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
Quality index (0–100)——

Cost

Fieldgoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
Input $ / 1M tokens$0.05$2.00
Cached input $ / 1M—$0.20
Output $ / 1M tokens$0.10$12.00

Context

Fieldgoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
Max context tokens131,0721,050,000
Max output tokens16,384128,000

Modalities

Fieldgoogle__gemma-3-4b-itopenai__gpt-5.6-terra-pro
Inputtext, imagefile, image, text
Outputtexttext