Gemma 3 12B is 150.0× cheaper per million tokens (blended). Claude Opus 5 has the larger context window (1,000,000 vs 131,072 tokens, 7.6×). Gemma 3 12B is open-weights; the other is not.

Claude Opus 5 vs Gemma 3 12B

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

Claude Opus 5

Anthropic · anthropic__claude-opus-5

Gemma 3 12Bopen

Google · google__gemma-3-12b-it

Identity

Fieldanthropic__claude-opus-5google__gemma-3-12b-it
ProviderAnthropicGoogle
Sluganthropic__claude-opus-5google__gemma-3-12b-it
Statuslivelive
Open weightsNoYes
License
HuggingFacegoogle/gemma-3-12b-it

Quality

Fieldanthropic__claude-opus-5google__gemma-3-12b-it
Quality index (0–100)91.5

Cost

Fieldanthropic__claude-opus-5google__gemma-3-12b-it
Input $ / 1M tokens$5.00$0.05
Cached input $ / 1M$0.50
Output $ / 1M tokens$25.00$0.15

Context

Fieldanthropic__claude-opus-5google__gemma-3-12b-it
Max context tokens1,000,000131,072
Max output tokens128,00016,384

Modalities

Fieldanthropic__claude-opus-5google__gemma-3-12b-it
Inputtext, image, filetext, image
Outputtexttext