Head-to-head comparison
Nova Pro 1.0 (Amazon) and Gemma 3 4B (Google) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.
Snapshot as of 18 August 2026
As of 18 August 2026, Nova Pro 1.0 holds the stronger ModelCap Index position (#189 vs #195); Gemma 3 4B is 32× cheaper per output token ($0.10/1M vs $3.20/1M); and Nova Pro 1.0 offers the longer context window (300K vs 131K tokens).
Evidence: 2 public benchmark observations across 2 boards · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.
Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.
Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.
Nova Pro 1.0 ranks higher on the ModelCap Index as of 18 August 2026: #189 against #195. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.
Gemma 3 4B is cheaper on output tokens: $0.10/1M against $3.20/1M. Input tokens are $0.80/1M for Nova Pro 1.0 and $0.05/1M for Gemma 3 4B. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.
Nova Pro 1.0 has the larger context window: 300K tokens against 131K.
Arena coding: Nova Pro 1.0 1343, Gemma 3 4B 1274 — Nova Pro 1.0 leads.
Nova Pro 1.0: API only. Gemma 3 4B: Gated access. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.
ModelCap currently lists 1 API provider for Nova Pro 1.0 and 1 for Gemma 3 4B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.
Every figure comes from the sealed ModelCap dataset published 18 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.