Is Gemini 2.5 Flash or DeepSeek V4 Pro cheaper?

Gemini 2.5 Flash is cheaper on output tokens ($2.50 vs $3.48 per 1M).

Which has the larger context window, Gemini 2.5 Flash or DeepSeek V4 Pro?

Gemini 2.5 Flash has the larger context window (1M tokens).

Gemini 2.5 Flash vs DeepSeek V4 Pro

Gemini 2.5 Flash is cheaper on output tokens, while Gemini 2.5 Flash offers a larger context window. Choose Gemini 2.5 Flash or DeepSeek V4 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 2.5 Flash	DeepSeek V4 Pro
Provider	FastRouter	FastRouter
Input / 1M tokens	$0.30	$1.74
Output / 1M tokens	$2.50	$3.48
Context window	1M	1M
Parameters	—	1.6T
Open weights	No	Yes
Released	Jun 2025	Apr 2026

Gemini 2.5 Flash details →DeepSeek V4 Pro details →

FAQ

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