Compare AI models

Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
—1B/4B/12B/27B
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
200k128k
API pricingUSD per 1M tokens · lower wins
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
—$0.04DeepInfra
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
—$0.10DeepInfra
—$15.00DeepInfra · bf16
Benchmarks
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better.
40.4%42.4%
Overview
CompanyAnthropicGoogle
Release dateMar 4 2024Mar 12 2025
AccessClosedOpen Weight
Model detailsView modelView model

Frequently asked questions

Gemma 3 leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 373 days before Gemma 3, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude 3 Sonnet) vs 128k (Gemma 3). Claude 3 Sonnet is closed, while Gemma 3 is open weight.

On GPQA Diamond, Gemma 3 leads at 42.4% vs Claude 3 Sonnet at 40.4%.