Is Claude Sonnet 4.5 or Gemini 3 Flash Preview cheaper?

Gemini 3 Flash Preview is cheaper on output tokens ($3.00 vs $15.00 per 1M).

Which has the larger context window, Claude Sonnet 4.5 or Gemini 3 Flash Preview?

Gemini 3 Flash Preview has the larger context window (1M tokens).

Claude Sonnet 4.5 vs Gemini 3 Flash Preview

Gemini 3 Flash Preview is cheaper on output tokens, while Gemini 3 Flash Preview offers a larger context window. Choose Claude Sonnet 4.5 or Gemini 3 Flash Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 4.5	Gemini 3 Flash Preview
Provider	Neon	Neon
Input / 1M tokens	$3.00	$0.50
Output / 1M tokens	$15.00	$3.00
Context window	200K	1M
Parameters	—	—
Open weights	No	No
Released	Sep 2025	Dec 2025

Claude Sonnet 4.5 details →Gemini 3 Flash Preview details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.