Is Gemini 3.8 Flash (Google Vertex AI) or GLM-5.3 (reka-ai) cheaper?

Gemini 3.8 Flash (Google Vertex AI) is cheaper on output tokens ($3.75 vs $3.96 per 1M).

Which has the larger context window, Gemini 3.8 Flash (Google Vertex AI) or GLM-5.3 (reka-ai)?

Both models offer a similar context window.

Gemini 3.8 Flash (Google Vertex AI) vs GLM-5.3 (reka-ai)

Gemini 3.8 Flash (Google Vertex AI) is cheaper on output tokens. Choose Gemini 3.8 Flash (Google Vertex AI) or GLM-5.3 (reka-ai) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3.8 Flash (Google Vertex AI)	GLM-5.3 (reka-ai)
Provider	LLM Gateway	LLM Gateway
Input / 1M tokens	$0.75	$1.17
Output / 1M tokens	$3.75	$3.96
Context window	1M	1M
Parameters	—	—
Open weights	No	Yes
Released	Sep 2026	Aug 2026

Gemini 3.8 Flash (Google Vertex AI) details →GLM-5.3 (reka-ai) details →

FAQ

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